{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:SCMCKPANGK63S3KJMESTQ6SBWB","short_pith_number":"pith:SCMCKPAN","canonical_record":{"source":{"id":"2412.17576","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2024-12-23T13:49:56Z","cross_cats_sorted":[],"title_canon_sha256":"148cd11bb0123653423ff6c47aed46185cee6998a136814b525c4f08da042a3a","abstract_canon_sha256":"3811cdb47dce60969413621cf61dbb0fcc4ef805a529c3894f9a0a518f5e65b0"},"schema_version":"1.0"},"canonical_sha256":"9098253c0d32bdb96d496125387a41b075c39395afa094b4ccce9422e00d5079","source":{"kind":"arxiv","id":"2412.17576","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2412.17576","created_at":"2026-06-09T02:08:28Z"},{"alias_kind":"arxiv_version","alias_value":"2412.17576v1","created_at":"2026-06-09T02:08:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.17576","created_at":"2026-06-09T02:08:28Z"},{"alias_kind":"pith_short_12","alias_value":"SCMCKPANGK63","created_at":"2026-06-09T02:08:28Z"},{"alias_kind":"pith_short_16","alias_value":"SCMCKPANGK63S3KJ","created_at":"2026-06-09T02:08:28Z"},{"alias_kind":"pith_short_8","alias_value":"SCMCKPAN","created_at":"2026-06-09T02:08:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:SCMCKPANGK63S3KJMESTQ6SBWB","target":"record","payload":{"canonical_record":{"source":{"id":"2412.17576","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2024-12-23T13:49:56Z","cross_cats_sorted":[],"title_canon_sha256":"148cd11bb0123653423ff6c47aed46185cee6998a136814b525c4f08da042a3a","abstract_canon_sha256":"3811cdb47dce60969413621cf61dbb0fcc4ef805a529c3894f9a0a518f5e65b0"},"schema_version":"1.0"},"canonical_sha256":"9098253c0d32bdb96d496125387a41b075c39395afa094b4ccce9422e00d5079","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-09T02:08:28.008341Z","signature_b64":"r4/FfjMZ6FEa7y2oCxi4Aj5wf91JT8pmIGoHN93m+zuY3lzHylomW+agokdbcoz740pBTYKII5tJnrvob2YeBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9098253c0d32bdb96d496125387a41b075c39395afa094b4ccce9422e00d5079","last_reissued_at":"2026-06-09T02:08:28.007306Z","signature_status":"signed_v1","first_computed_at":"2026-06-09T02:08:28.007306Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2412.17576","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-06-09T02:08:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"A+Ij3v1JP7tKJNeODnNcqHhR53d3hhna4RnAj7w+NpWjvdRxJuobsafTSsHIF+Bcv9eJvWS76110ZCChXFVXAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-21T20:44:21.295189Z"},"content_sha256":"c634cdb1602cd13ff1c3b4a88d0748b089b314f1abcf28287d856cef6dfa9824","schema_version":"1.0","event_id":"sha256:c634cdb1602cd13ff1c3b4a88d0748b089b314f1abcf28287d856cef6dfa9824"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:SCMCKPANGK63S3KJMESTQ6SBWB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"DC-operated Josephson junction arrays as a cryogenic on-chip microwave measurement platform","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Alejandro V. Silhanek, Bart Raes, Davi A. D. Chaves, Heleen Dausy, Ivo P. C. Cools, Joris Van de Vondel, Lukas Nulens, Margriet J. Van Bael, Mohamed Abouelela, Senne Vervoort, Stijn Reniers","submitted_at":"2024-12-23T13:49:56Z","abstract_excerpt":"Providing radio frequency (RF) signals to circuits working in cryogenic conditions requires bulky and expensive transmission cabling interfacing specialized RF electronics anchored at room temperature. Superconducting Josephson junction arrays (JJAs) can change this paradigm by placing the RF source and detector inside the chip. In this work, we demonstrate that DC-biased JJAs can emit signals in the C-band frequency spectrum and beyond. We fabricate reproducible JJAs comprised of amorphous MoGe or NbTiN superconducting islands and metallic Au weak links. Temperature, magnetic fields, applied "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.17576","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2412.17576/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-06-09T02:08:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Jn8+9u4zaJdBguo5E5ZV3c3erHaPiaR/DxhJo0hXThMo0kxWd+lMF6hsmQJKdsjZdMz+bUwnYp0yp8u5J80UCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-21T20:44:21.295583Z"},"content_sha256":"ef83b483d4a6ba3fe4380683923b600576a0b1527bf1ee8e7f19a4494f260d8d","schema_version":"1.0","event_id":"sha256:ef83b483d4a6ba3fe4380683923b600576a0b1527bf1ee8e7f19a4494f260d8d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SCMCKPANGK63S3KJMESTQ6SBWB/bundle.json","state_url":"https://pith.science/pith/SCMCKPANGK63S3KJMESTQ6SBWB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SCMCKPANGK63S3KJMESTQ6SBWB/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-21T20:44:21Z","links":{"resolver":"https://pith.science/pith/SCMCKPANGK63S3KJMESTQ6SBWB","bundle":"https://pith.science/pith/SCMCKPANGK63S3KJMESTQ6SBWB/bundle.json","state":"https://pith.science/pith/SCMCKPANGK63S3KJMESTQ6SBWB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SCMCKPANGK63S3KJMESTQ6SBWB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:SCMCKPANGK63S3KJMESTQ6SBWB","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"3811cdb47dce60969413621cf61dbb0fcc4ef805a529c3894f9a0a518f5e65b0","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2024-12-23T13:49:56Z","title_canon_sha256":"148cd11bb0123653423ff6c47aed46185cee6998a136814b525c4f08da042a3a"},"schema_version":"1.0","source":{"id":"2412.17576","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2412.17576","created_at":"2026-06-09T02:08:28Z"},{"alias_kind":"arxiv_version","alias_value":"2412.17576v1","created_at":"2026-06-09T02:08:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.17576","created_at":"2026-06-09T02:08:28Z"},{"alias_kind":"pith_short_12","alias_value":"SCMCKPANGK63","created_at":"2026-06-09T02:08:28Z"},{"alias_kind":"pith_short_16","alias_value":"SCMCKPANGK63S3KJ","created_at":"2026-06-09T02:08:28Z"},{"alias_kind":"pith_short_8","alias_value":"SCMCKPAN","created_at":"2026-06-09T02:08:28Z"}],"graph_snapshots":[{"event_id":"sha256:ef83b483d4a6ba3fe4380683923b600576a0b1527bf1ee8e7f19a4494f260d8d","target":"graph","created_at":"2026-06-09T02:08:28Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2412.17576/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Providing radio frequency (RF) signals to circuits working in cryogenic conditions requires bulky and expensive transmission cabling interfacing specialized RF electronics anchored at room temperature. Superconducting Josephson junction arrays (JJAs) can change this paradigm by placing the RF source and detector inside the chip. In this work, we demonstrate that DC-biased JJAs can emit signals in the C-band frequency spectrum and beyond. We fabricate reproducible JJAs comprised of amorphous MoGe or NbTiN superconducting islands and metallic Au weak links. Temperature, magnetic fields, applied ","authors_text":"Alejandro V. Silhanek, Bart Raes, Davi A. D. Chaves, Heleen Dausy, Ivo P. C. Cools, Joris Van de Vondel, Lukas Nulens, Margriet J. Van Bael, Mohamed Abouelela, Senne Vervoort, Stijn Reniers","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2024-12-23T13:49:56Z","title":"DC-operated Josephson junction arrays as a cryogenic on-chip microwave measurement platform"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.17576","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:c634cdb1602cd13ff1c3b4a88d0748b089b314f1abcf28287d856cef6dfa9824","target":"record","created_at":"2026-06-09T02:08:28Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"3811cdb47dce60969413621cf61dbb0fcc4ef805a529c3894f9a0a518f5e65b0","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2024-12-23T13:49:56Z","title_canon_sha256":"148cd11bb0123653423ff6c47aed46185cee6998a136814b525c4f08da042a3a"},"schema_version":"1.0","source":{"id":"2412.17576","kind":"arxiv","version":1}},"canonical_sha256":"9098253c0d32bdb96d496125387a41b075c39395afa094b4ccce9422e00d5079","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9098253c0d32bdb96d496125387a41b075c39395afa094b4ccce9422e00d5079","first_computed_at":"2026-06-09T02:08:28.007306Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-09T02:08:28.007306Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"r4/FfjMZ6FEa7y2oCxi4Aj5wf91JT8pmIGoHN93m+zuY3lzHylomW+agokdbcoz740pBTYKII5tJnrvob2YeBw==","signature_status":"signed_v1","signed_at":"2026-06-09T02:08:28.008341Z","signed_message":"canonical_sha256_bytes"},"source_id":"2412.17576","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c634cdb1602cd13ff1c3b4a88d0748b089b314f1abcf28287d856cef6dfa9824","sha256:ef83b483d4a6ba3fe4380683923b600576a0b1527bf1ee8e7f19a4494f260d8d"],"state_sha256":"c139fe2b54f9203ec3183155486cf941477f58f5f3c80cefe1134bb1d2249573"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"urSJmgg2LjiP7bgcXxrljZgdwS4GuzMpQQeOPF+0QUU8VCwlFrxflqLsCEq5bQzg0UpNYOAeTgYdJXgeRqNjCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-21T20:44:21.297799Z","bundle_sha256":"4163bc284160b0595d41677c71ffafb83e26be6bab8dcfdaa61149369dedd071"}}