{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:TE7XYCQIS3IDSR6QQBZBH7I3ES","short_pith_number":"pith:TE7XYCQI","canonical_record":{"source":{"id":"2105.06979","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-05-14T17:33:32Z","cross_cats_sorted":["gr-qc","nucl-ex","nucl-th"],"title_canon_sha256":"b0015ddd7e9a2e5914c7cc63ada940693b6fe3f00776e4eb2f1eca7cbdb426ad","abstract_canon_sha256":"e14a9d49e7e5a4b5dd280f59b2497da20462ff7216931ffad06c33dd9f3f1da6"},"schema_version":"1.0"},"canonical_sha256":"993f7c0a0896d03947d0807213fd1b24a0bf85ca011bded417e8875c354b5585","source":{"kind":"arxiv","id":"2105.06979","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2105.06979","created_at":"2026-05-17T23:38:14Z"},{"alias_kind":"arxiv_version","alias_value":"2105.06979v1","created_at":"2026-05-17T23:38:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.06979","created_at":"2026-05-17T23:38:14Z"},{"alias_kind":"pith_short_12","alias_value":"TE7XYCQIS3ID","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_16","alias_value":"TE7XYCQIS3IDSR6Q","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_8","alias_value":"TE7XYCQI","created_at":"2026-05-18T12:33:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:TE7XYCQIS3IDSR6QQBZBH7I3ES","target":"record","payload":{"canonical_record":{"source":{"id":"2105.06979","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-05-14T17:33:32Z","cross_cats_sorted":["gr-qc","nucl-ex","nucl-th"],"title_canon_sha256":"b0015ddd7e9a2e5914c7cc63ada940693b6fe3f00776e4eb2f1eca7cbdb426ad","abstract_canon_sha256":"e14a9d49e7e5a4b5dd280f59b2497da20462ff7216931ffad06c33dd9f3f1da6"},"schema_version":"1.0"},"canonical_sha256":"993f7c0a0896d03947d0807213fd1b24a0bf85ca011bded417e8875c354b5585","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:38:14.766076Z","signature_b64":"JkrmrC0xg11We6N1VMBCIcXof4RKyYp7kiQkDDdTBJ/472WJlTtGH9q/eGVWHpPTl7PHpXyIR5EBl5PhNO6JDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"993f7c0a0896d03947d0807213fd1b24a0bf85ca011bded417e8875c354b5585","last_reissued_at":"2026-05-17T23:38:14.765517Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:38:14.765517Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2105.06979","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":"2026-05-17T23:38:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UelivXR5kcRgsOY32L1gL6eDAU8Wh7RkEiY4BsRyX0bfEHTVeaNspZIxXlgwp4SyzjZqeNntfDPR9eglm/5QCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T19:01:23.840969Z"},"content_sha256":"c40b64eb4b3417750ab5ef9452f3fad03f4ae23e7b699f37dc40f393ac1d2f37","schema_version":"1.0","event_id":"sha256:c40b64eb4b3417750ab5ef9452f3fad03f4ae23e7b699f37dc40f393ac1d2f37"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:TE7XYCQIS3IDSR6QQBZBH7I3ES","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Radius of PSR J0740+6620 from NICER and XMM-Newton Data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"The highest-mass neutron star with a reliable radius measurement has an equatorial circumference of 13.7 km.","cross_cats":["gr-qc","nucl-ex","nucl-th"],"primary_cat":"astro-ph.HE","authors_text":"A. J. Dittmann, A. Parthasarathy, C. B. Markwardt, C. L. Baker, E. Fonseca, F. K. Lamb, H. T. Cromartie, I. Cognard, I. Stairs, J. M. Lattimer, K. C. Gendreau, L. Guillemot, M. C. Miller, M. Kerr, M. Loewenstein, M. T. Wolff, P. S. Ray, S. Bogdanov, S. Guillot, S. Manthripragada, S. M. Morsink, S. Pollard, S. Ransom, T. Cazeau, T. Okajima, T. T. Pennucci, W. C. G. Ho, Z. Arzoumanian","submitted_at":"2021-05-14T17:33:32Z","abstract_excerpt":"PSR J0740$+$6620 has a gravitational mass of $2.08\\pm 0.07~M_\\odot$, which is the highest reliably determined mass of any neutron star. As a result, a measurement of its radius will provide unique insight into the properties of neutron star core matter at high densities. Here we report a radius measurement based on fits of rotating hot spot patterns to Neutron Star Interior Composition Explorer (NICER) and X-ray Multi-Mirror (XMM-Newton) X-ray observations. We find that the equatorial circumferential radius of PSR J0740$+$6620 is $13.7^{+2.6}_{-1.5}$ km (68%). We apply our measurement, combine"},"claims":{"count":4,"items":[{"kind":"strongest_claim","text":"We find that the equatorial circumferential radius of PSR J0740+6620 is 13.7^{+2.6}_{-1.5} km (68%). When all measurements are included the radius of a 1.4 M_⊙ neutron star is known to ±4% and the radius of a 2.08 M_⊙ neutron star is known to ±5%.","source":"verdict.strongest_claim","status":"machine_extracted","claim_id":"C1","attestation":"unclaimed"},{"kind":"weakest_assumption","text":"The radius inference assumes specific geometries and temperature distributions for the rotating hot spots plus a particular model for the neutron-star atmosphere and beaming; if these are incorrect the reported credible intervals would shift.","source":"verdict.weakest_assumption","status":"machine_extracted","claim_id":"C2","attestation":"unclaimed"},{"kind":"one_line_summary","text":"PSR J0740+6620 has an equatorial radius of 13.7^{+2.6}_{-1.5} km, and multi-messenger data constrain 1.4 and 2.08 solar-mass neutron star radii to 12.45 and 12.35 km respectively.","source":"verdict.one_line_summary","status":"machine_extracted","claim_id":"C3","attestation":"unclaimed"},{"kind":"headline","text":"The highest-mass neutron star with a reliable radius measurement has an equatorial circumference of 13.7 km.","source":"verdict.pith_extraction.headline","status":"machine_extracted","claim_id":"C4","attestation":"unclaimed"}],"snapshot_sha256":"e37eda48c3188b8b6da01d1db8b182a4534562821e0093897f4e7895276bdf12"},"source":{"id":"2105.06979","kind":"arxiv","version":1},"verdict":{"id":"6c239ac9-cadf-4948-a1bb-77d8ac3f1e4f","model_set":{"reader":"grok-4.3"},"created_at":"2026-05-17T06:54:17.506067Z","strongest_claim":"We find that the equatorial circumferential radius of PSR J0740+6620 is 13.7^{+2.6}_{-1.5} km (68%). When all measurements are included the radius of a 1.4 M_⊙ neutron star is known to ±4% and the radius of a 2.08 M_⊙ neutron star is known to ±5%.","one_line_summary":"PSR J0740+6620 has an equatorial radius of 13.7^{+2.6}_{-1.5} km, and multi-messenger data constrain 1.4 and 2.08 solar-mass neutron star radii to 12.45 and 12.35 km respectively.","pipeline_version":"pith-pipeline@v0.9.0","weakest_assumption":"The radius inference assumes specific geometries and temperature distributions for the rotating hot spots plus a particular model for the neutron-star atmosphere and beaming; if these are incorrect the reported credible intervals would shift.","pith_extraction_headline":"The highest-mass neutron star with a reliable radius measurement has an equatorial circumference of 13.7 km."},"references":{"count":130,"sample":[{"doi":"","year":2017,"title":"P., Abbott , R., Abbott , T","work_id":"d2a199c7-3e4f-494a-a673-fd35e35cd2b5","ref_index":1,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2018,"title":"2018, Physical Review Letters, 121, 161101","work_id":"697ee3a9-b9ca-4a1a-9ca0-75a8debd07b3","ref_index":2,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2020,"title":"2020 a , , 892, L3","work_id":"eed0d4ad-b589-4d61-b4b2-2de60571da07","ref_index":3,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2020,"title":"2020 b , , 896, L44","work_id":"3b726685-52da-4ce9-a7a1-60bb0bcf8e71","ref_index":4,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2021,"title":"2021, arXiv e-prints, arXiv:2102.10767","work_id":"6d583897-8daa-4f36-b492-e1f260ac67e6","ref_index":5,"cited_arxiv_id":"","is_internal_anchor":false}],"resolved_work":130,"snapshot_sha256":"9da541b9060d90bb69d0b7d520b46ca01f0a228bed76bd6be141fc6758a3cd2e","internal_anchors":0},"formal_canon":{"evidence_count":2,"snapshot_sha256":"061870db7e82bf9c67924296c6a45a09dbfb9a8b52e45b822bed74afbf25c76f"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":"6c239ac9-cadf-4948-a1bb-77d8ac3f1e4f"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:38:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XjB7qpWWMLpN5bLC1vgWRBpSMeF5xmi0Irm1MkUiu4QS/HeJnmBui0GnVdWMO730QMARKxDw9fXZQppsaXEEBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T19:01:23.842168Z"},"content_sha256":"0e51d570bf57912e9b807e742b60560fbf15ebb1b954ce14f69f967e6059bda5","schema_version":"1.0","event_id":"sha256:0e51d570bf57912e9b807e742b60560fbf15ebb1b954ce14f69f967e6059bda5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TE7XYCQIS3IDSR6QQBZBH7I3ES/bundle.json","state_url":"https://pith.science/pith/TE7XYCQIS3IDSR6QQBZBH7I3ES/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TE7XYCQIS3IDSR6QQBZBH7I3ES/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":"2026-05-25T19:01:23Z","links":{"resolver":"https://pith.science/pith/TE7XYCQIS3IDSR6QQBZBH7I3ES","bundle":"https://pith.science/pith/TE7XYCQIS3IDSR6QQBZBH7I3ES/bundle.json","state":"https://pith.science/pith/TE7XYCQIS3IDSR6QQBZBH7I3ES/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TE7XYCQIS3IDSR6QQBZBH7I3ES/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:TE7XYCQIS3IDSR6QQBZBH7I3ES","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":"e14a9d49e7e5a4b5dd280f59b2497da20462ff7216931ffad06c33dd9f3f1da6","cross_cats_sorted":["gr-qc","nucl-ex","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-05-14T17:33:32Z","title_canon_sha256":"b0015ddd7e9a2e5914c7cc63ada940693b6fe3f00776e4eb2f1eca7cbdb426ad"},"schema_version":"1.0","source":{"id":"2105.06979","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2105.06979","created_at":"2026-05-17T23:38:14Z"},{"alias_kind":"arxiv_version","alias_value":"2105.06979v1","created_at":"2026-05-17T23:38:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.06979","created_at":"2026-05-17T23:38:14Z"},{"alias_kind":"pith_short_12","alias_value":"TE7XYCQIS3ID","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_16","alias_value":"TE7XYCQIS3IDSR6Q","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_8","alias_value":"TE7XYCQI","created_at":"2026-05-18T12:33:33Z"}],"graph_snapshots":[{"event_id":"sha256:0e51d570bf57912e9b807e742b60560fbf15ebb1b954ce14f69f967e6059bda5","target":"graph","created_at":"2026-05-17T23:38:14Z","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":4,"items":[{"attestation":"unclaimed","claim_id":"C1","kind":"strongest_claim","source":"verdict.strongest_claim","status":"machine_extracted","text":"We find that the equatorial circumferential radius of PSR J0740+6620 is 13.7^{+2.6}_{-1.5} km (68%). When all measurements are included the radius of a 1.4 M_⊙ neutron star is known to ±4% and the radius of a 2.08 M_⊙ neutron star is known to ±5%."},{"attestation":"unclaimed","claim_id":"C2","kind":"weakest_assumption","source":"verdict.weakest_assumption","status":"machine_extracted","text":"The radius inference assumes specific geometries and temperature distributions for the rotating hot spots plus a particular model for the neutron-star atmosphere and beaming; if these are incorrect the reported credible intervals would shift."},{"attestation":"unclaimed","claim_id":"C3","kind":"one_line_summary","source":"verdict.one_line_summary","status":"machine_extracted","text":"PSR J0740+6620 has an equatorial radius of 13.7^{+2.6}_{-1.5} km, and multi-messenger data constrain 1.4 and 2.08 solar-mass neutron star radii to 12.45 and 12.35 km respectively."},{"attestation":"unclaimed","claim_id":"C4","kind":"headline","source":"verdict.pith_extraction.headline","status":"machine_extracted","text":"The highest-mass neutron star with a reliable radius measurement has an equatorial circumference of 13.7 km."}],"snapshot_sha256":"e37eda48c3188b8b6da01d1db8b182a4534562821e0093897f4e7895276bdf12"},"formal_canon":{"evidence_count":2,"snapshot_sha256":"061870db7e82bf9c67924296c6a45a09dbfb9a8b52e45b822bed74afbf25c76f"},"paper":{"abstract_excerpt":"PSR J0740$+$6620 has a gravitational mass of $2.08\\pm 0.07~M_\\odot$, which is the highest reliably determined mass of any neutron star. As a result, a measurement of its radius will provide unique insight into the properties of neutron star core matter at high densities. Here we report a radius measurement based on fits of rotating hot spot patterns to Neutron Star Interior Composition Explorer (NICER) and X-ray Multi-Mirror (XMM-Newton) X-ray observations. We find that the equatorial circumferential radius of PSR J0740$+$6620 is $13.7^{+2.6}_{-1.5}$ km (68%). We apply our measurement, combine","authors_text":"A. J. Dittmann, A. Parthasarathy, C. B. Markwardt, C. L. Baker, E. Fonseca, F. K. Lamb, H. T. Cromartie, I. Cognard, I. Stairs, J. M. Lattimer, K. C. Gendreau, L. Guillemot, M. C. Miller, M. Kerr, M. Loewenstein, M. T. Wolff, P. S. Ray, S. Bogdanov, S. Guillot, S. Manthripragada, S. M. Morsink, S. Pollard, S. Ransom, T. Cazeau, T. Okajima, T. T. Pennucci, W. C. G. Ho, Z. Arzoumanian","cross_cats":["gr-qc","nucl-ex","nucl-th"],"headline":"The highest-mass neutron star with a reliable radius measurement has an equatorial circumference of 13.7 km.","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-05-14T17:33:32Z","title":"The Radius of PSR J0740+6620 from NICER and XMM-Newton Data"},"references":{"count":130,"internal_anchors":0,"resolved_work":130,"sample":[{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":1,"title":"P., Abbott , R., Abbott , T","work_id":"d2a199c7-3e4f-494a-a673-fd35e35cd2b5","year":2017},{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":2,"title":"2018, Physical Review Letters, 121, 161101","work_id":"697ee3a9-b9ca-4a1a-9ca0-75a8debd07b3","year":2018},{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":3,"title":"2020 a , , 892, L3","work_id":"eed0d4ad-b589-4d61-b4b2-2de60571da07","year":2020},{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":4,"title":"2020 b , , 896, L44","work_id":"3b726685-52da-4ce9-a7a1-60bb0bcf8e71","year":2020},{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":5,"title":"2021, arXiv e-prints, arXiv:2102.10767","work_id":"6d583897-8daa-4f36-b492-e1f260ac67e6","year":2021}],"snapshot_sha256":"9da541b9060d90bb69d0b7d520b46ca01f0a228bed76bd6be141fc6758a3cd2e"},"source":{"id":"2105.06979","kind":"arxiv","version":1},"verdict":{"created_at":"2026-05-17T06:54:17.506067Z","id":"6c239ac9-cadf-4948-a1bb-77d8ac3f1e4f","model_set":{"reader":"grok-4.3"},"one_line_summary":"PSR J0740+6620 has an equatorial radius of 13.7^{+2.6}_{-1.5} km, and multi-messenger data constrain 1.4 and 2.08 solar-mass neutron star radii to 12.45 and 12.35 km respectively.","pipeline_version":"pith-pipeline@v0.9.0","pith_extraction_headline":"The highest-mass neutron star with a reliable radius measurement has an equatorial circumference of 13.7 km.","strongest_claim":"We find that the equatorial circumferential radius of PSR J0740+6620 is 13.7^{+2.6}_{-1.5} km (68%). When all measurements are included the radius of a 1.4 M_⊙ neutron star is known to ±4% and the radius of a 2.08 M_⊙ neutron star is known to ±5%.","weakest_assumption":"The radius inference assumes specific geometries and temperature distributions for the rotating hot spots plus a particular model for the neutron-star atmosphere and beaming; if these are incorrect the reported credible intervals would shift."}},"verdict_id":"6c239ac9-cadf-4948-a1bb-77d8ac3f1e4f"}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:c40b64eb4b3417750ab5ef9452f3fad03f4ae23e7b699f37dc40f393ac1d2f37","target":"record","created_at":"2026-05-17T23:38:14Z","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":"e14a9d49e7e5a4b5dd280f59b2497da20462ff7216931ffad06c33dd9f3f1da6","cross_cats_sorted":["gr-qc","nucl-ex","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-05-14T17:33:32Z","title_canon_sha256":"b0015ddd7e9a2e5914c7cc63ada940693b6fe3f00776e4eb2f1eca7cbdb426ad"},"schema_version":"1.0","source":{"id":"2105.06979","kind":"arxiv","version":1}},"canonical_sha256":"993f7c0a0896d03947d0807213fd1b24a0bf85ca011bded417e8875c354b5585","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"993f7c0a0896d03947d0807213fd1b24a0bf85ca011bded417e8875c354b5585","first_computed_at":"2026-05-17T23:38:14.765517Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:38:14.765517Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JkrmrC0xg11We6N1VMBCIcXof4RKyYp7kiQkDDdTBJ/472WJlTtGH9q/eGVWHpPTl7PHpXyIR5EBl5PhNO6JDw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:38:14.766076Z","signed_message":"canonical_sha256_bytes"},"source_id":"2105.06979","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c40b64eb4b3417750ab5ef9452f3fad03f4ae23e7b699f37dc40f393ac1d2f37","sha256:0e51d570bf57912e9b807e742b60560fbf15ebb1b954ce14f69f967e6059bda5"],"state_sha256":"9dfcc38f97ac1b3a1f478a18d98e6b39c9d93b927ae3775a4f40b5a863544024"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ws22qESDarLK178eb2omRJAqaLXvDdseLRkeVM8n4AgCfR169tah0J0fmlUf8AgqvnBBA8LW0ZgmPGJnR9HtCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T19:01:23.847368Z","bundle_sha256":"1768579aa10a267ffd9c552b6a27198f0c43b3833667721135835aace7dee542"}}