{"as_of":"2026-08-18T21:30:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:15fd8052387314ba83a1c784959b1d328b2171c94f3920b45ef9351a12073ab1","coverage":[{"denominator":16,"lane":"reference_resolution","note":"Typed states for the displayed outbound observations.","records_observed":16,"source":"paper_references, paper_reference_links","source_observed_at":"2026-06-26T06:08:16.361296Z","state":"measured"},{"denominator":18,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":18,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-18T06:34:40.430872+00:00","state":"measured"},{"denominator":2,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":2,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-02T10:32:27.458748Z","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":"2026-07-09T23:56:38.414374Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"2606.23554","last_updated":"2026-06-22T16:26:42Z","snapshot_observed_at":"2026-08-14T01:12:09.525335Z","submitted_at":"2026-06-22T16:26:42Z","title":"Protection Switching in Hybrid Hollow-Core and Single-Mode Fiber Networks: Challenges, Analysis, and Mitigation Strategies","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2606.23554","snapshot_observed_at":"2026-08-02T10:32:27.458748Z","title":"Protection switching in hybrid hollow-core and single-mode fiber networks: Challenges, analysis, and mitigation strategies,","venue":null,"work_id":null,"year":2026},"citing_paper":{"arxiv_id":"2606.23527","last_updated":"2026-07-21T16:27:43Z","snapshot_observed_at":"2026-08-16T02:07:04.109156Z","submitted_at":"2026-06-22T16:09:16Z","title":"System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems","version":4},"reference_index":20,"source":"pdf_text","source_observed_at":"2026-08-02T10:32:27.458748Z"},"links":{"cited_paper":"/paper/2606.23554","citing_paper":"/paper/2606.23527"},"observation_digest":"sha256:ce7174188ab03908d2ab4fd3e696546e8d32735ba3de707d534476561d918203","observation_id":"7c6c5e1d-56ee-4130-af6c-fa1b84149dee","resolution":{"observed_at":"2026-08-02T10:32:27.458748Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2606.23554","last_updated":"2026-06-22T16:26:42Z","snapshot_observed_at":"2026-08-14T01:12:09.525335Z","submitted_at":"2026-06-22T16:26:42Z","title":"Protection Switching in Hybrid Hollow-Core and Single-Mode Fiber Networks: Challenges, Analysis, and Mitigation Strategies","version":1},"cited_work":{"arxiv_id":"2606.23554","doi":null,"metadata_source":"pith","pith_arxiv_id":"2606.23554","snapshot_observed_at":"2026-07-09T23:56:38.414374Z","title":"Protection Switching in Hybrid Hollow-Core and Single-Mode Fiber Networks: Challenges, Analysis, and Mitigation Strategies","venue":"cs.NI","work_id":"ec980e37-eb47-40db-9fbd-794cc955a80e","year":2026},"citing_paper":{"arxiv_id":"2607.06877","last_updated":"2026-07-08T00:25:10Z","snapshot_observed_at":"2026-08-18T00:12:09.142482Z","submitted_at":"2026-07-08T00:25:10Z","title":"Beyond Silica Assumptions: Optical Network Design in the Hollow-Core Era","version":1},"reference_index":53,"source":"pdf_text","source_observed_at":"2026-07-09T23:52:08.940494Z"},"links":{"cited_paper":"/paper/2606.23554","citing_paper":"/paper/2607.06877"},"observation_digest":"sha256:c33bb8fe0cf4eb22a110a9c5369141d504323be50bfb15162b26539d921a3dd1","observation_id":"f287a159-dec3-42ca-b74a-0c904e6c9a7c","resolution":{"observed_at":"2026-07-09T23:56:38.415936Z","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/2606.23554/citation-record","integrity":"/paper/2606.23554/integrity","json":"/paper/2606.23554/citation-record.json","paper":"/paper/2606.23554"},"outbound":[{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-06-26T06:08:16.361296Z","title":"Broadband optical fibre with an attenuation lower than 0.1 decibel per kilometre,","venue":null,"work_id":null,"year":2025},"citing_paper":{"arxiv_id":"2606.23554","last_updated":"2026-06-22T16:26:42Z","snapshot_observed_at":"2026-08-14T01:12:09.525335Z","submitted_at":"2026-06-22T16:26:42Z","title":"Protection Switching in Hybrid Hollow-Core and Single-Mode Fiber Networks: Challenges, Analysis, and Mitigation Strategies","version":1},"reference_index":1,"source":"pdf_text","source_observed_at":"2026-06-26T06:08:16.361296Z"},"links":{"citing_paper":"/paper/2606.23554"},"observation_digest":"sha256:4a8ee6f8acfa3cfe598876bffd0b92c0c74e677113a5fe6f2152e9ff261f74ee","observation_id":"432adce1-db80-4ac8-b996-05f0f6746fea","resolution":{"observed_at":"2026-06-26T06:08:16.361296Z","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":"2026-06-26T06:08:16.361296Z","title":"Opportunities and challenges for long- distance transmission in hollow-core fibres,","venue":null,"work_id":null,"year":2022},"citing_paper":{"arxiv_id":"2606.23554","last_updated":"2026-06-22T16:26:42Z","snapshot_observed_at":"2026-08-14T01:12:09.525335Z","submitted_at":"2026-06-22T16:26:42Z","title":"Protection Switching in Hybrid Hollow-Core and Single-Mode Fiber Networks: Challenges, Analysis, and Mitigation Strategies","version":1},"reference_index":2,"source":"pdf_text","source_observed_at":"2026-06-26T06:08:16.361296Z"},"links":{"citing_paper":"/paper/2606.23554"},"observation_digest":"sha256:1e11ce0e95fa5ed82364b802572367ba8ed397346ca193132724f7b89f1ae541","observation_id":"7ccc3998-53a8-4f96-9f44-81bd138dfde0","resolution":{"observed_at":"2026-06-26T06:08:16.361296Z","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":"2026-06-26T06:08:16.361296Z","title":"How hollow core fiber is accelerating AI,","venue":null,"work_id":null,"year":2024},"citing_paper":{"arxiv_id":"2606.23554","last_updated":"2026-06-22T16:26:42Z","snapshot_observed_at":"2026-08-14T01:12:09.525335Z","submitted_at":"2026-06-22T16:26:42Z","title":"Protection Switching in Hybrid Hollow-Core and Single-Mode Fiber Networks: Challenges, Analysis, and Mitigation Strategies","version":1},"reference_index":3,"source":"pdf_text","source_observed_at":"2026-06-26T06:08:16.361296Z"},"links":{"citing_paper":"/paper/2606.23554"},"observation_digest":"sha256:e5c74d2cc8ecdad7b9d2c601650f7057f1e8dd3179c43c6594f670a447267912","observation_id":"37bda77e-973c-472a-84c6-1ea5a0e81af3","resolution":{"observed_at":"2026-06-26T06:08:16.361296Z","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":"2026-06-26T06:08:16.361296Z","title":"Bidirec- tional full C-band transmission over hollow-core cable using 400G ZR,","venue":null,"work_id":null,"year":2026},"citing_paper":{"arxiv_id":"2606.23554","last_updated":"2026-06-22T16:26:42Z","snapshot_observed_at":"2026-08-14T01:12:09.525335Z","submitted_at":"2026-06-22T16:26:42Z","title":"Protection Switching in Hybrid Hollow-Core and Single-Mode Fiber Networks: Challenges, Analysis, and Mitigation Strategies","version":1},"reference_index":4,"source":"pdf_text","source_observed_at":"2026-06-26T06:08:16.361296Z"},"links":{"citing_paper":"/paper/2606.23554"},"observation_digest":"sha256:5a2d5f847e030d1f7528d895cc2460be1e1c86ade1f5549c350da9ec1f30df6a","observation_id":"dfef4ac9-789c-4445-b773-54ad470347bb","resolution":{"observed_at":"2026-06-26T06:08:16.361296Z","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":"2026-06-26T06:08:16.361296Z","title":"Emerging network-wide use cases for hollow core fibers,","venue":null,"work_id":null,"year":2026},"citing_paper":{"arxiv_id":"2606.23554","last_updated":"2026-06-22T16:26:42Z","snapshot_observed_at":"2026-08-14T01:12:09.525335Z","submitted_at":"2026-06-22T16:26:42Z","title":"Protection Switching in Hybrid Hollow-Core and Single-Mode Fiber Networks: Challenges, Analysis, and Mitigation Strategies","version":1},"reference_index":5,"source":"pdf_text","source_observed_at":"2026-06-26T06:08:16.361296Z"},"links":{"citing_paper":"/paper/2606.23554"},"observation_digest":"sha256:7b0df97e0e02d079212428c4cc2195f7552a5fb40f880bb1749de045c95926a8","observation_id":"6289fe93-7489-4a69-a5c8-651e2ab1db60","resolution":{"observed_at":"2026-06-26T06:08:16.361296Z","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":"2026-06-26T06:08:16.361296Z","title":"Optimal placement of hollow-core fiber spans in optical transport networks with CAPEX constraints,","venue":null,"work_id":null,"year":2026},"citing_paper":{"arxiv_id":"2606.23554","last_updated":"2026-06-22T16:26:42Z","snapshot_observed_at":"2026-08-14T01:12:09.525335Z","submitted_at":"2026-06-22T16:26:42Z","title":"Protection Switching in Hybrid Hollow-Core and Single-Mode Fiber Networks: Challenges, Analysis, and Mitigation Strategies","version":1},"reference_index":6,"source":"pdf_text","source_observed_at":"2026-06-26T06:08:16.361296Z"},"links":{"citing_paper":"/paper/2606.23554"},"observation_digest":"sha256:08c2be31c994d7e8e1f06b53a4bb7c0f8e642a876a1129826efa5dc5b03c3e05","observation_id":"eae108e9-f095-4cd0-8ba1-6b92183ead4a","resolution":{"observed_at":"2026-06-26T06:08:16.361296Z","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":"2026-06-26T06:08:16.361296Z","title":"Optimal output power for C-band optical amplifiers in transparent WDM networks based on hollow core fiber,","venue":null,"work_id":null,"year":2026},"citing_paper":{"arxiv_id":"2606.23554","last_updated":"2026-06-22T16:26:42Z","snapshot_observed_at":"2026-08-14T01:12:09.525335Z","submitted_at":"2026-06-22T16:26:42Z","title":"Protection Switching in Hybrid Hollow-Core and Single-Mode Fiber Networks: Challenges, Analysis, and Mitigation Strategies","version":1},"reference_index":7,"source":"pdf_text","source_observed_at":"2026-06-26T06:08:16.361296Z"},"links":{"citing_paper":"/paper/2606.23554"},"observation_digest":"sha256:deb8cbe8ea0bf6a2ce2e84e9cb990521e38b973b03a9b39bab411c5937a30341","observation_id":"a4fd3a89-465b-42df-9ead-0b1c2a82c776","resolution":{"observed_at":"2026-06-26T06:08:16.361296Z","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":"2026-06-26T06:08:16.361296Z","title":"Loss in hollow-core optical fibers: mechanisms, scaling rules, and limits,","venue":null,"work_id":null,"year":2023},"citing_paper":{"arxiv_id":"2606.23554","last_updated":"2026-06-22T16:26:42Z","snapshot_observed_at":"2026-08-14T01:12:09.525335Z","submitted_at":"2026-06-22T16:26:42Z","title":"Protection Switching in Hybrid Hollow-Core and Single-Mode Fiber Networks: Challenges, Analysis, and Mitigation Strategies","version":1},"reference_index":8,"source":"pdf_text","source_observed_at":"2026-06-26T06:08:16.361296Z"},"links":{"citing_paper":"/paper/2606.23554"},"observation_digest":"sha256:8d54bea68b33e98bd8f3af2b403593e5a0c3aba6d1e3fc9a063db7e9fc5b8944","observation_id":"7558a2c0-f40e-4569-9712-85e24b907c13","resolution":{"observed_at":"2026-06-26T06:08:16.361296Z","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":"2026-06-26T06:08:16.361296Z","title":"Accelerating hollow-core fiber deployment: an efficient one-shot field measurement technique to characterize CO 2 absorption-induced OSNR penalty,","venue":null,"work_id":null,"year":2026},"citing_paper":{"arxiv_id":"2606.23554","last_updated":"2026-06-22T16:26:42Z","snapshot_observed_at":"2026-08-14T01:12:09.525335Z","submitted_at":"2026-06-22T16:26:42Z","title":"Protection Switching in Hybrid Hollow-Core and Single-Mode Fiber Networks: Challenges, Analysis, and Mitigation Strategies","version":1},"reference_index":9,"source":"pdf_text","source_observed_at":"2026-06-26T06:08:16.361296Z"},"links":{"citing_paper":"/paper/2606.23554"},"observation_digest":"sha256:c8a16f765b351282a503e033226d1095be9dde3f9e4116d716e085070792bb69","observation_id":"b8075694-f091-4aea-9158-50e910b03f3b","resolution":{"observed_at":"2026-06-26T06:08:16.361296Z","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":"2026-06-26T06:08:16.361296Z","title":"A quick method for finding shortest pairs of disjoint paths,","venue":null,"work_id":null,"year":1984},"citing_paper":{"arxiv_id":"2606.23554","last_updated":"2026-06-22T16:26:42Z","snapshot_observed_at":"2026-08-14T01:12:09.525335Z","submitted_at":"2026-06-22T16:26:42Z","title":"Protection Switching in Hybrid Hollow-Core and Single-Mode Fiber Networks: Challenges, Analysis, and Mitigation Strategies","version":1},"reference_index":10,"source":"pdf_text","source_observed_at":"2026-06-26T06:08:16.361296Z"},"links":{"citing_paper":"/paper/2606.23554"},"observation_digest":"sha256:f15779276199a6db5c6744d6cf91931da5a63eaeed58ecfe2964901fba6d3812","observation_id":"e48cdaef-7baa-4368-a839-0296c1d96def","resolution":{"observed_at":"2026-06-26T06:08:16.361296Z","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":"2026-06-26T06:08:16.361296Z","title":"Nested antiresonant nodeless hollow core fiber,","venue":null,"work_id":null,"year":2014},"citing_paper":{"arxiv_id":"2606.23554","last_updated":"2026-06-22T16:26:42Z","snapshot_observed_at":"2026-08-14T01:12:09.525335Z","submitted_at":"2026-06-22T16:26:42Z","title":"Protection Switching in Hybrid Hollow-Core and Single-Mode Fiber Networks: Challenges, Analysis, and Mitigation Strategies","version":1},"reference_index":11,"source":"pdf_text","source_observed_at":"2026-06-26T06:08:16.361296Z"},"links":{"citing_paper":"/paper/2606.23554"},"observation_digest":"sha256:54a87dffb69657b6bc4d80e06ec3f01c29b2eaff12e7b7dbd71123f22b8ca77a","observation_id":"1cbdcb10-e851-49d2-bf64-911a3905ad70","resolution":{"observed_at":"2026-06-26T06:08:16.361296Z","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":"2026-06-26T06:08:16.361296Z","title":"Digital coherent optical receivers: algorithms and subsys- tems,","venue":null,"work_id":null,"year":2010},"citing_paper":{"arxiv_id":"2606.23554","last_updated":"2026-06-22T16:26:42Z","snapshot_observed_at":"2026-08-14T01:12:09.525335Z","submitted_at":"2026-06-22T16:26:42Z","title":"Protection Switching in Hybrid Hollow-Core and Single-Mode Fiber Networks: Challenges, Analysis, and Mitigation Strategies","version":1},"reference_index":12,"source":"pdf_text","source_observed_at":"2026-06-26T06:08:16.361296Z"},"links":{"citing_paper":"/paper/2606.23554"},"observation_digest":"sha256:ecc8526757fede00149358aa507ab9f017022e81bb4f9321ccbd1a5c3f513d6d","observation_id":"0c5985a2-1ae7-4176-9a25-0dc16544eb3c","resolution":{"observed_at":"2026-06-26T06:08:16.361296Z","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":"2026-06-26T06:08:16.361296Z","title":"Characterization of CO 2 absorption-induced OSNR penalty in hollow- core fiber transmission,","venue":null,"work_id":null,"year":2025},"citing_paper":{"arxiv_id":"2606.23554","last_updated":"2026-06-22T16:26:42Z","snapshot_observed_at":"2026-08-14T01:12:09.525335Z","submitted_at":"2026-06-22T16:26:42Z","title":"Protection Switching in Hybrid Hollow-Core and Single-Mode Fiber Networks: Challenges, Analysis, and Mitigation Strategies","version":1},"reference_index":13,"source":"pdf_text","source_observed_at":"2026-06-26T06:08:16.361296Z"},"links":{"citing_paper":"/paper/2606.23554"},"observation_digest":"sha256:f5cbf263c624f77c82f459d9c8f2389c3672fbfc3d77104501661b0e0c88bc6b","observation_id":"9e55e70c-e351-4d96-b5dc-e6c3c0d3c625","resolution":{"observed_at":"2026-06-26T06:08:16.361296Z","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":"2026-06-26T06:08:16.361296Z","title":"Gas line absorption mitigation in hollow- core fibre using spectral pre-equalisation,","venue":null,"work_id":null,"year":2026},"citing_paper":{"arxiv_id":"2606.23554","last_updated":"2026-06-22T16:26:42Z","snapshot_observed_at":"2026-08-14T01:12:09.525335Z","submitted_at":"2026-06-22T16:26:42Z","title":"Protection Switching in Hybrid Hollow-Core and Single-Mode Fiber Networks: Challenges, Analysis, and Mitigation Strategies","version":1},"reference_index":14,"source":"pdf_text","source_observed_at":"2026-06-26T06:08:16.361296Z"},"links":{"citing_paper":"/paper/2606.23554"},"observation_digest":"sha256:e236bcade4c4623ca0eb16a702488815a69942b20442bd5256faf795d52600da","observation_id":"d899ad4b-c0e0-449d-8c27-910d24eccd8f","resolution":{"observed_at":"2026-06-26T06:08:16.361296Z","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":"2026-06-26T06:08:16.361296Z","title":"Burst mode receiver for 112 Gb/s DP-QPSK with parallel DSP,","venue":null,"work_id":null,"year":2011},"citing_paper":{"arxiv_id":"2606.23554","last_updated":"2026-06-22T16:26:42Z","snapshot_observed_at":"2026-08-14T01:12:09.525335Z","submitted_at":"2026-06-22T16:26:42Z","title":"Protection Switching in Hybrid Hollow-Core and Single-Mode Fiber Networks: Challenges, Analysis, and Mitigation Strategies","version":1},"reference_index":15,"source":"pdf_text","source_observed_at":"2026-06-26T06:08:16.361296Z"},"links":{"citing_paper":"/paper/2606.23554"},"observation_digest":"sha256:4ca12579d8eaa828e618f0afeac3a394d35f8538889862ea53542ce894453f98","observation_id":"8dec320f-b811-4fe7-ad32-ab9636bc3ae6","resolution":{"observed_at":"2026-06-26T06:08:16.361296Z","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":"2026-06-26T06:08:16.361296Z","title":"He then joined Huawei Technologies Canada","venue":null,"work_id":null,"year":2000},"citing_paper":{"arxiv_id":"2606.23554","last_updated":"2026-06-22T16:26:42Z","snapshot_observed_at":"2026-08-14T01:12:09.525335Z","submitted_at":"2026-06-22T16:26:42Z","title":"Protection Switching in Hybrid Hollow-Core and Single-Mode Fiber Networks: Challenges, Analysis, and Mitigation Strategies","version":1},"reference_index":16,"source":"pdf_text","source_observed_at":"2026-06-26T06:08:16.361296Z"},"links":{"citing_paper":"/paper/2606.23554"},"observation_digest":"sha256:cf6db439fedcab6e762f8c9ea6b3fb63ac5e294779dc726d479e76e2dc33ac50","observation_id":"2f984c2c-f189-4fe2-bd27-6850cf894c70","resolution":{"observed_at":"2026-06-26T06:08:16.361296Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}}],"paper":{"arxiv_id":"2606.23554","last_updated":"2026-06-22T16:26:42Z","latest_version":1,"primary_category":"cs.NI","snapshot_observed_at":"2026-08-14T01:12:09.525335Z","submitted_at":"2026-06-22T16:26:42Z","title":"Protection Switching in Hybrid Hollow-Core and Single-Mode Fiber Networks: Challenges, Analysis, and Mitigation Strategies"},"reference_resolution":{"displayed":16,"state_counts":{"malformed_identifier":0,"metadata_mismatch":0,"parse_uncertain":0,"unresolved":16,"verified_exact":0,"verified_fuzzy":0},"total_outbound_references":16},"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 18 August 2026, this Paper Citation Record lists 16 of 16 outbound references and 2 inbound Pith citation observations for arXiv:2606.23554."}