{"as_of":"2026-08-19T05:56:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:49f51bac966714bf95ed659658b07cf6ba79e9084c1ef5b83481b042c802636a","coverage":[{"denominator":60,"lane":"reference_resolution","note":"Typed states for the displayed outbound observations.","records_observed":60,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-15T23:44:32.250245Z","state":"measured"},{"denominator":61,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":61,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-18T06:34:40.430872+00:00","state":"measured"},{"denominator":1,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":1,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-06T22:47:49.105852Z","state":"measured"},{"denominator":1,"lane":"external_citation_measurements","note":"A source-named dated measurement, never combined with another source.","records_observed":0,"source":"pith","source_observed_at":"2026-08-06T22:47:52.872784Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"cited_work":{"arxiv_id":"2505.04059","doi":null,"metadata_source":"pith","pith_arxiv_id":"2505.04059","snapshot_observed_at":"2026-08-06T22:47:52.872784Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","venue":"quant-ph","work_id":"2ff36faf-626a-4ab3-8528-85a04df414da","year":2025},"citing_paper":{"arxiv_id":"2506.20645","last_updated":"2025-06-25T17:41:34Z","snapshot_observed_at":"2026-08-18T19:38:47.756891Z","submitted_at":"2025-06-25T17:41:34Z","title":"Reflection-less filter for superconducting quantum circuits","version":1},"reference_index":11,"source":"pdf_text","source_observed_at":"2026-08-06T22:47:49.105852Z"},"links":{"cited_paper":"/paper/2505.04059","citing_paper":"/paper/2506.20645"},"observation_digest":"sha256:de8ccee63a9bfefc5b637ac1b2657a88c7b0ddb1652da1d7c3d37275d2d86662","observation_id":"b53096af-659b-4734-a78a-39af6397a642","resolution":{"observed_at":"2026-08-06T22:47:52.876903Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-18T06:34:40.430872+00:00","source":"crossref"},{"observed_at":"2026-08-18T06:34:34.496301+00:00","source":"retraction_watch"}],"state":"measured"}}],"links":{"evidence":"/evidence","html":"/paper/2505.04059/citation-record","integrity":"/paper/2505.04059/integrity","json":"/paper/2505.04059/citation-record.json","paper":"/paper/2505.04059"},"outbound":[{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:33.086642Z","title":null,"venue":null,"work_id":"60634ece-5aa9-490a-b252-145d78fb9b19","year":null},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":1,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:31.963050Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:ff35cb52b8c16999d1f975b47bc0bfed0d5a52caff05d4ca7964e60b32e82f87","observation_id":"198e93c4-826c-48ee-a945-489c84eb5bbf","resolution":{"observed_at":"2026-08-15T23:44:33.092039Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-18T06:34:40.430872+00:00","source":"crossref"},{"observed_at":"2026-08-18T06:34:34.496301+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:33.070809Z","title":"4 GHz, and Pp = −75 dBm which are shown in Figure 5","venue":null,"work_id":"4507eeea-f430-4ede-84c1-51f487467baa","year":null},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":2,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:31.970252Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:cd0269e07b1dd50681c9740abec136215fd5f0b8ef8efd3cdbe53e8bd08ba8b7","observation_id":"31ee3cc1-f6dd-44f2-82ec-33f3c74a5296","resolution":{"observed_at":"2026-08-15T23:44:33.075640Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-18T06:34:40.430872+00:00","source":"crossref"},{"observed_at":"2026-08-18T06:34:34.496301+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:31.992969Z","title":"Fadavi Roudsari, D","venue":null,"work_id":null,"year":2023},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":3,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:31.992969Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:d3b981b97f3a657c8d8f85f7fe533ecdaffb28f171ba33b96f50dcf454b67cbb","observation_id":"074286a5-e09a-44ca-b36e-8d2f59287ef2","resolution":{"observed_at":"2026-08-15T23:44:31.992969Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:31.982759Z","title":"Aumentado, Superconducting parametric ampliﬁers: The state of the art in josephson parametric ampliﬁers, IEEE Microwave Magazine 21, 45 (2020)","venue":null,"work_id":null,"year":2020},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":4,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:31.982759Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:6cf518efa6f73ed388daf7e4e54b39b27aee5eb7dc72bdbbfadb720cc6f21cc3","observation_id":"6f91a6de-c419-4bee-879c-c1e97824611d","resolution":{"observed_at":"2026-08-15T23:44:31.982759Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:33.055281Z","title":null,"venue":null,"work_id":"0141d240-8fa1-4e64-b34e-eb6e997b69e0","year":null},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":5,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:31.976011Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:00c31c424ad4763484fe0881fd7aa668e5b02ddde9fde586edae0df55f46d2a9","observation_id":"f9a67e53-1503-4235-afee-b83e14ea2dae","resolution":{"observed_at":"2026-08-15T23:44:33.060287Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-18T06:34:40.430872+00:00","source":"crossref"},{"observed_at":"2026-08-18T06:34:34.496301+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:31.988102Z","title":"Esposito, A","venue":null,"work_id":null,"year":2021},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":6,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:31.988102Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:459a39f611b8e8d52d866ec5849837048aac753b91a3fbd388e190db8a1f904b","observation_id":"a48e136b-6d80-452d-b128-fca5b7e633f3","resolution":{"observed_at":"2026-08-15T23:44:31.988102Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:33.010659Z","title":"Miano and O","venue":null,"work_id":"fff52677-9170-4c11-bc51-87890e214e36","year":2019},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":7,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:31.998056Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:938ccf1dd508edd377322f9a9c8eb1048cc6b3cdec4bb75d4e3c6ac1d9e3c388","observation_id":"814bac5d-a6cc-4c56-b3da-f28c6a4511f6","resolution":{"observed_at":"2026-08-15T23:44:33.015953Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-18T06:34:40.430872+00:00","source":"crossref"},{"observed_at":"2026-08-18T06:34:34.496301+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:32.003135Z","title":"Yaakobi, L","venue":null,"work_id":null,"year":2013},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":8,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.003135Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:8685cb12556f487d0f3722848c8ef3e69468c1669f5b63d9f38dbdfa76a21fd0","observation_id":"25b927cd-7160-4e20-918e-039f895ec1e1","resolution":{"observed_at":"2026-08-15T23:44:32.003135Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:32.008532Z","title":"O’Brien, C","venue":null,"work_id":null,"year":2014},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":9,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.008532Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:a7145f6021f5e213887d22df72901c18280e1c64fbea16ae646e8bec3c24e3e1","observation_id":"535ead42-9055-48a9-a3b7-2658905069ff","resolution":{"observed_at":"2026-08-15T23:44:32.008532Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:32.974546Z","title":"Macklin, K","venue":null,"work_id":"77030599-d91e-4a8b-a25f-0d5871ea0356","year":2015},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":10,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.014122Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:58683dd5024e7f44e14557c9152dff5f923a2ea9a2227c91961c2186a7471cd1","observation_id":"36baf7f1-35b3-4765-a958-5d6ab5722118","resolution":{"observed_at":"2026-08-15T23:44:32.979996Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-18T06:34:40.430872+00:00","source":"crossref"},{"observed_at":"2026-08-18T06:34:34.496301+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:32.019197Z","title":null,"venue":null,"work_id":null,"year":2015},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":11,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.019197Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:5f58c0f20b191fd3675f8b7474e914e050602c4a4031dd9bf3d456e053a49b75","observation_id":"6ee20105-4028-4fb6-8160-824a6dc38d36","resolution":{"observed_at":"2026-08-15T23:44:32.019197Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:32.024316Z","title":"Krantz, M","venue":null,"work_id":null,"year":2019},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":12,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.024316Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:a4f91756778fe8f5fe8208540b5ea5017a9191485f149b6276667ed336fbc20b","observation_id":"cbfa626c-83f2-4446-8ef7-cc688e481102","resolution":{"observed_at":"2026-08-15T23:44:32.024316Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:32.028961Z","title":"Ranzani, M","venue":null,"work_id":null,"year":2018},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":13,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.028961Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:f96e502baa6090a24af0e4ead6a6bf238a843932a0a7864f81e19cc35449451d","observation_id":"056b30d8-9c9b-4865-bbd6-6926db1d548f","resolution":{"observed_at":"2026-08-15T23:44:32.028961Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:32.033506Z","title":"Krinner, S","venue":null,"work_id":null,"year":2019},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":14,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.033506Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:90f2a51908d25c535c7d40e995a593db90637505efbc19cc7ef74612ddd8bd6b","observation_id":"1e96eb10-b788-4f36-b8a5-6bfdfb689469","resolution":{"observed_at":"2026-08-15T23:44:32.033506Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:32.038584Z","title":"Heinsoo, C","venue":null,"work_id":null,"year":2018},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":15,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.038584Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:53e42cc9ea8e856851f4fe92b1f16ae59926c8833c93f897423c4d9965d08c3e","observation_id":"490b6df0-6e7f-4675-93ac-2fba7d08d4ea","resolution":{"observed_at":"2026-08-15T23:44:32.038584Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:32.042818Z","title":"Ramanathan, N","venue":null,"work_id":null,"year":2023},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":16,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.042818Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:2af9f7c95c20233c764093e97abb900f8fd1dc190a9b0e328cf70a4cf86408d4","observation_id":"a780efb7-93bb-434c-8a05-74cfc16c06f2","resolution":{"observed_at":"2026-08-15T23:44:32.042818Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:32.047136Z","title":"Bartram, T","venue":null,"work_id":null,"year":2023},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":17,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.047136Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:6fbe666ebfafeae7d49732f3eb0f24d63c119d43b741dbf712cadec108a64d1f","observation_id":"5ea49bcd-6938-4c39-b23d-bca15fed0ac2","resolution":{"observed_at":"2026-08-15T23:44:32.047136Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:32.051611Z","title":"Di Vora, A","venue":null,"work_id":null,"year":2023},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":18,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.051611Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:9b4721de4cccc0bcb8f9f1677e28f8e1feab6e04842525f3157710d7079608a3","observation_id":"c34eec7b-305f-4cec-b715-a3c59ae3fa24","resolution":{"observed_at":"2026-08-15T23:44:32.051611Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2307.14717","last_updated":"2023-08-02T12:00:54Z","snapshot_observed_at":"2026-08-18T19:37:36.925611Z","submitted_at":"2023-07-27T09:18:15Z","title":"Broadband parametric amplification for multiplexed SiMOS quantum dot signals","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2307.14717","snapshot_observed_at":"2026-08-15T23:44:32.056210Z","title":"Elhomsy, L","venue":null,"work_id":null,"year":2023},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":19,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.056210Z"},"links":{"cited_paper":"/paper/2307.14717","citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:cc1cecd0dd64d4325948de796b33a9290ee3902ecfcdfbce4f06c6d6fa7c100b","observation_id":"aa8c94c8-ec55-44b6-a43b-c2034acadda1","resolution":{"observed_at":"2026-08-15T23:44:32.056210Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:32.060867Z","title":null,"venue":null,"work_id":null,"year":2017},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":20,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.060867Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:644475d96c6b31eb9dad34ad307bbcaeab376ff5a30c8209ccf243d6aff933d0","observation_id":"5bccc056-25bc-49f1-a6fe-efa152125438","resolution":{"observed_at":"2026-08-15T23:44:32.060867Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:32.065267Z","title":null,"venue":null,"work_id":null,"year":2023},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":21,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.065267Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:3321c56f3ecacdbb9bfd96a4e3aa009202c31d1179666bfe7d60943e522327c5","observation_id":"58b59215-b1f8-486f-b499-3564ad683924","resolution":{"observed_at":"2026-08-15T23:44:32.065267Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:32.069741Z","title":"Esposito, A","venue":null,"work_id":null,"year":2022},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":22,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.069741Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:7d37476a9f07cdf63c51452c6cf3e5d7c1ec4b652d96ef8b3e283e86d7d5b7f6","observation_id":"6427c221-2875-4036-bb76-3196451fd3d3","resolution":{"observed_at":"2026-08-15T23:44:32.069741Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:32.854882Z","title":"Houde, L","venue":null,"work_id":"fd76d867-3517-4303-baa5-572d1d5f9c9e","year":2019},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":23,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.074020Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:e9dba0abb47e45d3d05960e188a4493f21f704b579c2c4fb0c6144ee94f79b80","observation_id":"0997db98-f746-4bec-b5e4-37e7bde49eb6","resolution":{"observed_at":"2026-08-15T23:44:32.859540Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-18T06:34:40.430872+00:00","source":"crossref"},{"observed_at":"2026-08-18T06:34:34.496301+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:32.078358Z","title":"Perelshtein, K","venue":null,"work_id":null,"year":2022},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":24,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.078358Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:f62d5dbba27d357067790f6f109b3e18df967e0794bb027085616d07d034c6f1","observation_id":"1af63776-ca92-47c1-8a92-1e4ee0586640","resolution":{"observed_at":"2026-08-15T23:44:32.078358Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:32.082995Z","title":"Bockstiegel, J","venue":null,"work_id":null,"year":2014},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":25,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.082995Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:6ccf507d05c027121124d29334a3a99fe2b6dfdc3ff21ae1a5f30b47852acc21","observation_id":"3c7dee23-660f-457c-9e15-047085e197d7","resolution":{"observed_at":"2026-08-15T23:44:32.082995Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:32.821758Z","title":"Zobrist, B","venue":null,"work_id":"89db50b6-0b6e-4e53-9cfc-cd4a1f4892d9","year":2019},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":26,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.087539Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:34db572b2239fff73ed0d8598c1c764b6092e4a6db343aad40e402bc6060fd35","observation_id":"fb3ebae0-641a-4e7e-ac39-490ac4c98e36","resolution":{"observed_at":"2026-08-15T23:44:32.826176Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-18T06:34:40.430872+00:00","source":"crossref"},{"observed_at":"2026-08-18T06:34:34.496301+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:32.092033Z","title":"Pozar, Microwave Engineering (Wiley, 2012)","venue":null,"work_id":null,"year":2012},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":27,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.092033Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:a1106675447778345aec297e1d90a6b42b62fa9be696a6c27796cdfc096bf8ef","observation_id":"95759115-d4a7-4666-bb1b-e9afd2e0c0b3","resolution":{"observed_at":"2026-08-15T23:44:32.092033Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:32.096762Z","title":"Malnou, M","venue":null,"work_id":null,"year":2021},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":28,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.096762Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:59fc9b178a73e3257b863763369eabed0eeef0ad154055af40864a5a3b61ff16","observation_id":"ec2d7d3f-e6e2-481b-b674-6d1e491c625d","resolution":{"observed_at":"2026-08-15T23:44:32.096762Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:32.101220Z","title":"Zhang, W","venue":null,"work_id":null,"year":2017},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":29,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.101220Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:7ac860fba054f5a4bb3f00c098f4d8f507137b07765b1cec98b39add4a3526b4","observation_id":"d77a84d4-f8d8-4a49-9996-3c7487231051","resolution":{"observed_at":"2026-08-15T23:44:32.101220Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:32.779663Z","title":null,"venue":null,"work_id":"bc36af5e-8307-4315-a05a-be69c406bead","year":2022},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":30,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.106250Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:d5d9819d2183d573ef6d6fdd2e449b32432dd93c3f4c5cd56c5ff1550fd1c384","observation_id":"39bef429-0911-4dd7-ae74-27bf72e4be93","resolution":{"observed_at":"2026-08-15T23:44:32.784356Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-18T06:34:40.430872+00:00","source":"crossref"},{"observed_at":"2026-08-18T06:34:34.496301+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:32.110802Z","title":null,"venue":null,"work_id":null,"year":2015},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":31,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.110802Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:654f052891cc028c9effa730e2c10c74b74b08fcb2102515d546a261d9a365fb","observation_id":"fb5ed5ff-bfed-4c79-a115-a1a760dfa444","resolution":{"observed_at":"2026-08-15T23:44:32.110802Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2201.04660","last_updated":"2024-01-25T22:56:34Z","snapshot_observed_at":"2026-08-16T17:28:43.277608Z","submitted_at":"2022-01-12T19:23:15Z","title":"Self phase-matched broadband amplification with a left-handed Josephson transmission line","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2201.04660","snapshot_observed_at":"2026-08-15T23:44:32.115496Z","title":null,"venue":null,"work_id":null,"year":2024},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":32,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.115496Z"},"links":{"cited_paper":"/paper/2201.04660","citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:8ffc2ea505acb27a7742f09a19869cdd6ae7fb96dc42cf96617a7a69e1271355","observation_id":"3f46196a-1ca5-4a51-b270-910522ea7727","resolution":{"observed_at":"2026-08-15T23:44:32.115496Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:32.120475Z","title":"Planat, A","venue":null,"work_id":null,"year":2020},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":33,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.120475Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:cb3a9c4e18629dd8dc019f9acc441d5316f72d523a220ff200eed43fc0621d6b","observation_id":"397c32d3-6bdf-4e0c-a1f8-60c99fad8ce1","resolution":{"observed_at":"2026-08-15T23:44:32.120475Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:32.125232Z","title":"Ho Eom, P","venue":null,"work_id":null,"year":2012},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":34,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.125232Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:fbe7788c9dc558e4941299b7641f6b86de34df16e276dcf25fc6d5e1ccd0fcb8","observation_id":"83f78df9-c533-474f-afba-828a4ec240f5","resolution":{"observed_at":"2026-08-15T23:44:32.125232Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:32.130068Z","title":"Ranadive, M","venue":null,"work_id":null,"year":2022},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":35,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.130068Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:5498b372a8b1485417c369ccf9eb1d37f31467ecce4545058229892701a71c20","observation_id":"4df53924-f448-4f0a-a637-19123d426386","resolution":{"observed_at":"2026-08-15T23:44:32.130068Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:32.136993Z","title":"Boyd and D","venue":null,"work_id":null,"year":2008},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":36,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.136993Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:0af132054b6a193e0fb002f7e2b12dcdfc979e492815d05cd339298807e9a90a","observation_id":"1fda7c23-a389-4efe-9f89-b64cdf021181","resolution":{"observed_at":"2026-08-15T23:44:32.136993Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:32.141911Z","title":"Agrawal, Nonlinear Fiber Optics , Optics and Photon- ics (Elsevier Science, 2013)","venue":null,"work_id":null,"year":2013},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":37,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.141911Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:137ee6cd6138f3ef849796202f06f65a65411e6f9c7baa00ffce0fae092b310c","observation_id":"ea0615aa-fda4-4566-b691-02170ac95cfe","resolution":{"observed_at":"2026-08-15T23:44:32.141911Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:32.146533Z","title":"Malnou, B","venue":null,"work_id":null,"year":2024},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":38,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.146533Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:105c881571a3ff16b96fced463a14f4ad8113df732240da612cc7a7205ab0862","observation_id":"0357e9f4-730e-4511-b4d5-015d4d8f6b72","resolution":{"observed_at":"2026-08-15T23:44:32.146533Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2406.19752","last_updated":"2024-06-28T08:51:22Z","snapshot_observed_at":"2026-08-16T13:38:48.566582Z","submitted_at":"2024-06-28T08:51:22Z","title":"A Traveling Wave Parametric Amplifier Isolator","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2406.19752","snapshot_observed_at":"2026-08-15T23:44:32.150876Z","title":"Ranadive, B","venue":null,"work_id":null,"year":2024},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":39,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.150876Z"},"links":{"cited_paper":"/paper/2406.19752","citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:237a075b1a61cd67105b4b474f31ef8b865ebfbc1aa77d5520b7b4805199a246","observation_id":"453af376-2374-4a27-9248-8e8d17656158","resolution":{"observed_at":"2026-08-15T23:44:32.150876Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:32.708301Z","title":null,"venue":null,"work_id":"1406adac-f042-42f5-b0a4-e5faabc5447c","year":2015},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":40,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.156079Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:9dcc6a07efd11b1ace8c64b8d06629f13e9ae189f2c45169e59481d7ee07b665","observation_id":"12df23cc-6e7c-462c-bd04-d6e49b388c05","resolution":{"observed_at":"2026-08-15T23:44:32.713003Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-18T06:34:40.430872+00:00","source":"crossref"},{"observed_at":"2026-08-18T06:34:34.496301+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:32.160606Z","title":"Lecocq, L","venue":null,"work_id":null,"year":2017},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":41,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.160606Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:ed34740eaae4769db92cae31fe53bc443e496467e15ce8b0c15f3fa6fe13030a","observation_id":"8af8fa1e-3d7c-49be-bbd9-e62a8082a936","resolution":{"observed_at":"2026-08-15T23:44:32.160606Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:32.683422Z","title":"Ranzani, S","venue":null,"work_id":"2cc4c904-8461-4bd9-99ed-2cd3a81c8711","year":2017},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":42,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.164874Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:8b85d5fc122c024b62ebaeff276ee2e17ddb07d6bc19d8734d0f718dc2ecf661","observation_id":"3d5892a9-e3bf-464f-924b-21307123593c","resolution":{"observed_at":"2026-08-15T23:44:32.688181Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-18T06:34:40.430872+00:00","source":"crossref"},{"observed_at":"2026-08-18T06:34:34.496301+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:32.667630Z","title":null,"venue":null,"work_id":"0586871d-05e7-43f6-b0dc-f664cd620fcf","year":2018},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":43,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.169409Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:7c6fd5af0e46051e1fc003df31a14b7f7557773373e2dc8beb7d6714e9795771","observation_id":"d55611e2-8ddd-4ecf-967d-39c58ea94f3a","resolution":{"observed_at":"2026-08-15T23:44:32.672661Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-18T06:34:40.430872+00:00","source":"crossref"},{"observed_at":"2026-08-18T06:34:34.496301+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:32.651461Z","title":null,"venue":null,"work_id":"a163d05c-faf3-4504-a3e2-6ff3c991a02b","year":2014},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":44,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.174189Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:7d079ea20e38fd450a8dbcf5c490f5874f2ed2bab11a5bdd0396afdde76cbcd7","observation_id":"9e060c2c-3a30-4dd4-bde1-499fa301f882","resolution":{"observed_at":"2026-08-15T23:44:32.656519Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-18T06:34:40.430872+00:00","source":"crossref"},{"observed_at":"2026-08-18T06:34:34.496301+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:32.635941Z","title":"Lecocq, Qubit measurements using nonreciprocal am- pliﬁers (2025), APS March Meeting, MAR-X09","venue":null,"work_id":"45f06baf-2480-48a9-86ae-2cb79afdad4a","year":2025},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":45,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.178639Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:4d7d8eecfcf4009016fa9aa911728a9847c147e0cfd4b2e863ddaf80c4a863c3","observation_id":"cea8e07a-7ae4-40a3-a7a7-d52e1c0b3f31","resolution":{"observed_at":"2026-08-15T23:44:32.641181Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-18T06:34:40.430872+00:00","source":"crossref"},{"observed_at":"2026-08-18T06:34:34.496301+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:32.621185Z","title":"Denney, B","venue":null,"work_id":"950f31a1-f7af-4af5-8a1d-684024767187","year":2025},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":46,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.183677Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:a31e0afa0ad3edd1944a66f8da8560c0dd21cfecdac22325acd1141e2a4cf8b9","observation_id":"27ba75f1-9119-4b1b-93fd-f7e43b996fa7","resolution":{"observed_at":"2026-08-15T23:44:32.625777Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-18T06:34:40.430872+00:00","source":"crossref"},{"observed_at":"2026-08-18T06:34:34.496301+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:32.606577Z","title":null,"venue":null,"work_id":"102001db-7ad1-496b-9077-40bf8c8c2253","year":2025},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":47,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.188149Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:9644036f225b193effb4fdabb16e6869250dd471b3148c3499343a6a1e88699a","observation_id":"0d6a7d02-69d0-47f4-af36-7dfe93b3ee26","resolution":{"observed_at":"2026-08-15T23:44:32.611175Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-18T06:34:40.430872+00:00","source":"crossref"},{"observed_at":"2026-08-18T06:34:34.496301+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:32.591454Z","title":null,"venue":null,"work_id":"b122d963-f46f-46e9-b615-f5ee36bc47d1","year":2025},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":48,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.193278Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:734e98655a8f54c17de5f341400cf7f61e1bac099b3a24a9d04239b0a7f65b9c","observation_id":"35e13cc1-1b5b-41ae-a402-96d19f630c5f","resolution":{"observed_at":"2026-08-15T23:44:32.596304Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-18T06:34:40.430872+00:00","source":"crossref"},{"observed_at":"2026-08-18T06:34:34.496301+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:32.197964Z","title":null,"venue":null,"work_id":null,"year":2012},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":49,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.197964Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:85916b692b95a697cb3e7fa55cd266b2afce1213556d4eb565ab7551dc588ca7","observation_id":"c2345c8c-c322-45cf-96b9-6bfb67617af6","resolution":{"observed_at":"2026-08-15T23:44:32.197964Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:32.202276Z","title":"Tinkham, Introduction to Superconductivity , Dover Books on Physics Series (Dover Publications, 2004)","venue":null,"work_id":null,"year":2004},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":50,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.202276Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:538037387226a7b1fd17f5685ffff7020e43dbceac940895fabfa552a5d47b99","observation_id":"1ef22c06-4677-4ccc-8ebd-247e26df6717","resolution":{"observed_at":"2026-08-15T23:44:32.202276Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:32.554889Z","title":"Bothner, D","venue":null,"work_id":"2a784979-42cc-4fdb-a006-8517560deb11","year":2017},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":51,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.207278Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:7008ac710eb3598157e5fc4e2a8018cb2535e89647f1b9eaf3ba027f9fde21a4","observation_id":"95bc7ac2-c4b6-462a-9cd3-4ab7c0838412","resolution":{"observed_at":"2026-08-15T23:44:32.559653Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-18T06:34:40.430872+00:00","source":"crossref"},{"observed_at":"2026-08-18T06:34:34.496301+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:32.212057Z","title":"Dixon, J","venue":null,"work_id":null,"year":2020},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":52,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.212057Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:5892f899d2995f26d13032f2936138952e7290674090f93483c9f0b69b6fa689","observation_id":"149febd4-6358-4ee2-a2a9-e1576c09296d","resolution":{"observed_at":"2026-08-15T23:44:32.212057Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2405.20096","last_updated":"2024-10-04T07:38:51Z","snapshot_observed_at":"2026-08-16T13:47:43.939511Z","submitted_at":"2024-05-30T14:35:23Z","title":"Investigating pump harmonics generation in a SNAIL-based Traveling Wave Parametric Amplifier","version":3},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2405.20096","snapshot_observed_at":"2026-08-15T23:44:32.216617Z","title":null,"venue":null,"work_id":null,"year":2024},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":53,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.216617Z"},"links":{"cited_paper":"/paper/2405.20096","citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:e2722845dfe98d54eb91d12506229d1b991e0cdd367372b14eb8a80190a7809b","observation_id":"d3966196-4f6c-4e06-a782-a052c085cbdd","resolution":{"observed_at":"2026-08-15T23:44:32.216617Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:32.529835Z","title":null,"venue":null,"work_id":"6c46aa67-d52f-4800-bd26-f0b0dc691101","year":2025},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":54,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.221424Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:e1f09d97f453d683176ee98819085b4e01e118265472101fa4cf774efb1db521","observation_id":"f24f1f8b-d372-423b-bce2-6d4deabe83d6","resolution":{"observed_at":"2026-08-15T23:44:32.534634Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-18T06:34:40.430872+00:00","source":"crossref"},{"observed_at":"2026-08-18T06:34:34.496301+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:32.225839Z","title":"Whiteley, Josephson junctions in spice3, IEEE Trans - actions on Magnetics 27, 2902 (1991)","venue":null,"work_id":null,"year":1991},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":55,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.225839Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:09c02cd1e6f35cd0f5ae93a8e2b7a180b9c5c4a6a8c8b6bd078c40ccdfc4d3cd","observation_id":"d59dbf8d-7560-400d-a0ee-a3e2686f6a91","resolution":{"observed_at":"2026-08-15T23:44:32.225839Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:32.230378Z","title":"Whiteley, Wrspice circuit simulator (2017)","venue":null,"work_id":null,"year":2017},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":56,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.230378Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:5ec920ae840a40ad552bbc70cf2eca5c84b954580538a7ff3b81156d32b645a6","observation_id":"d10e46d6-35b9-4c8c-8298-67d22a7265e6","resolution":{"observed_at":"2026-08-15T23:44:32.230378Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:32.495200Z","title":null,"venue":null,"work_id":"3028d7e9-7be6-4f01-a250-dfcc75f1dc87","year":2024},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":57,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.235131Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:121663dde5f967061d4b94cbd9fd24009b46c36b2ef47fb45c73f50fa161db35","observation_id":"dea755eb-8725-45e8-a2f6-907b74dfd45a","resolution":{"observed_at":"2026-08-15T23:44:32.499969Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-18T06:34:40.430872+00:00","source":"crossref"},{"observed_at":"2026-08-18T06:34:34.496301+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:32.480521Z","title":null,"venue":null,"work_id":"81ae5f28-dd27-449b-9197-11a09758a080","year":2022},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":58,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.239889Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:47c9369d1a2afae3f2916896701ec25f3d3c51a4b262c899dd92a2f6e35f6fef","observation_id":"66ffc68b-76c9-4d29-9e76-313fa276f987","resolution":{"observed_at":"2026-08-15T23:44:32.484970Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-18T06:34:40.430872+00:00","source":"crossref"},{"observed_at":"2026-08-18T06:34:34.496301+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:32.244423Z","title":"Renberg Nilsson, D","venue":null,"work_id":null,"year":2024},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":59,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.244423Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:bdad4cf5235b23184b627fb2b30990a9ea57849812b09f8907d73d0e57fee665","observation_id":"bacc1f25-40d5-42fb-ae1d-055541b2d510","resolution":{"observed_at":"2026-08-15T23:44:32.244423Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-15T23:44:32.454214Z","title":null,"venue":null,"work_id":"7b74eb68-6351-4471-8e5a-34439972625b","year":2015},"citing_paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation","version":1},"reference_index":60,"source":"pdf_text","source_observed_at":"2026-08-15T23:44:32.250245Z"},"links":{"citing_paper":"/paper/2505.04059"},"observation_digest":"sha256:dd515fc35da2a0f0429c880a4b5d5a148f7c594589fe47d615ec215e212a8ed1","observation_id":"d12cc560-9470-4e94-80c7-335f52a62a4c","resolution":{"observed_at":"2026-08-15T23:44:32.460010Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-18T06:34:40.430872+00:00","source":"crossref"},{"observed_at":"2026-08-18T06:34:34.496301+00:00","source":"retraction_watch"}],"state":"measured"}}],"paper":{"arxiv_id":"2505.04059","last_updated":"2025-05-07T02:02:53Z","latest_version":1,"primary_category":"quant-ph","snapshot_observed_at":"2026-08-19T01:21:42.152867Z","submitted_at":"2025-05-07T02:02:53Z","title":"Traveling-Wave Parametric Amplifier with Passive Reverse Isolation"},"reference_resolution":{"displayed":60,"state_counts":{"malformed_identifier":0,"metadata_mismatch":0,"parse_uncertain":0,"unresolved":51,"verified_exact":0,"verified_fuzzy":9},"total_outbound_references":60},"refusal":"A citation records a reference. It does not transfer a finding from one paper to another.","schema":"pith.paper-citation-record.v1","standing_sources":[{"observed_at":"2026-08-18T06:34:40.430872+00:00","source":"crossref"},{"observed_at":"2026-08-18T06:34:34.496301+00:00","source":"retraction_watch"}],"thesis":"As of 19 August 2026, this Paper Citation Record lists 60 of 60 outbound references and 1 inbound Pith citation observation for arXiv:2505.04059."}