{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:J3CXGOTMGHFJ3QPFSXELG32ZFL","short_pith_number":"pith:J3CXGOTM","canonical_record":{"source":{"id":"2604.09160","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-04-10T09:46:15Z","cross_cats_sorted":[],"title_canon_sha256":"15794326c05f8c0c0ad665b2648b5fa01e9578662390ba35eb1de80a67dd9df2","abstract_canon_sha256":"f977938de49fe8ae2c9ee776d40648a24640bb79ec31f5c101bed32deabd7192"},"schema_version":"1.0"},"canonical_sha256":"4ec5733a6c31ca9dc1e595c8b36f592ad92d671da94b98ff8afcc48f8f840718","source":{"kind":"arxiv","id":"2604.09160","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2604.09160","created_at":"2026-06-03T14:05:47Z"},{"alias_kind":"arxiv_version","alias_value":"2604.09160v1","created_at":"2026-06-03T14:05:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2604.09160","created_at":"2026-06-03T14:05:47Z"},{"alias_kind":"pith_short_12","alias_value":"J3CXGOTMGHFJ","created_at":"2026-06-03T14:05:47Z"},{"alias_kind":"pith_short_16","alias_value":"J3CXGOTMGHFJ3QPF","created_at":"2026-06-03T14:05:47Z"},{"alias_kind":"pith_short_8","alias_value":"J3CXGOTM","created_at":"2026-06-03T14:05:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:J3CXGOTMGHFJ3QPFSXELG32ZFL","target":"record","payload":{"canonical_record":{"source":{"id":"2604.09160","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-04-10T09:46:15Z","cross_cats_sorted":[],"title_canon_sha256":"15794326c05f8c0c0ad665b2648b5fa01e9578662390ba35eb1de80a67dd9df2","abstract_canon_sha256":"f977938de49fe8ae2c9ee776d40648a24640bb79ec31f5c101bed32deabd7192"},"schema_version":"1.0"},"canonical_sha256":"4ec5733a6c31ca9dc1e595c8b36f592ad92d671da94b98ff8afcc48f8f840718","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-03T14:05:47.327117Z","signature_b64":"xHBKlxYB/CVPxnudwo4O4/ffKkt9x9U9skbsfhZEkZRngDVpsuJ9S/lb0oN3VM1T93oWN/WAriBkbcpgl4xzBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4ec5733a6c31ca9dc1e595c8b36f592ad92d671da94b98ff8afcc48f8f840718","last_reissued_at":"2026-06-03T14:05:47.326630Z","signature_status":"signed_v1","first_computed_at":"2026-06-03T14:05:47.326630Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2604.09160","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":"2026-06-03T14:05:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"af+O/sl8QlYZHF5FLb/mkA6ULLhZ4YVUaBD/MNhGdeTBQrLfmFTqIgTTdG2WQR3OG46ggpJiJ6nLGr9a2moeAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-01T23:39:32.339139Z"},"content_sha256":"c315330b50ac3aa2f7a455fad299a402aec39b4b9574af2661c512ae50d6fd91","schema_version":"1.0","event_id":"sha256:c315330b50ac3aa2f7a455fad299a402aec39b4b9574af2661c512ae50d6fd91"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:J3CXGOTMGHFJ3QPFSXELG32ZFL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Joining forces: 30 years optical monitoring of the Einstein Cross","license":"http://creativecommons.org/licenses/by/4.0/","headline":"Long-term monitoring of the Einstein Cross quasar shows its optical source size scales nearly linearly with wavelength.","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. Esteban-Guti\\'errez, A. Sergeyev, A. Yonehara, C. W. Morgan, E. Mediavilla, L. J. Goicoechea, R. Gil-Merino, V. N. Shalyapin","submitted_at":"2026-04-10T09:46:15Z","abstract_excerpt":"We present an extended optical monitoring of the quadruply-imaged gravitationally lensed quasar QSO 2237+0305, the Einstein Cross, including observations from different observatories in both hemispheres and using a new photometric technique. This technique uses a region far enough from the lens system to determine accurately the sky background level, and minimises contamination from the lensing galaxy by combining analytical and numerical modeling of its structure. The resulting light curves of the four quasar images describe variations across practically the entire optical spectrum and span a"},"claims":{"count":4,"items":[{"kind":"strongest_claim","text":"assuming a mean microlens mass ⟨M⟩ = 0.3 M⊙ and concentric Gaussian sources that move according to the velocity distribution peaks (speed and direction) reported in a previous microlensing analysis, we find that the half-light radius of the g-band source is 9.6 ± 2.7 lt-day and the size of the sources grows with wavelength with a power-law index of α = 0.94 ± 0.05.","source":"verdict.strongest_claim","status":"machine_extracted","claim_id":"C1","attestation":"unclaimed"},{"kind":"weakest_assumption","text":"The sources are concentric Gaussian profiles whose motion follows velocity peaks taken from a prior microlensing study, combined with a fixed mean microlens mass of 0.3 solar masses; any inaccuracy in these inputs directly scales the derived radii and power-law index.","source":"verdict.weakest_assumption","status":"machine_extracted","claim_id":"C2","attestation":"unclaimed"},{"kind":"one_line_summary","text":"30-year VRI light curves of the Einstein Cross show the quasar optical source half-light radius scales with wavelength as a power law with index 0.94, giving a g-band size of 9.6 light-days for 0.3 solar-mass microlenses.","source":"verdict.one_line_summary","status":"machine_extracted","claim_id":"C3","attestation":"unclaimed"},{"kind":"headline","text":"Long-term monitoring of the Einstein Cross quasar shows its optical source size scales nearly linearly with wavelength.","source":"verdict.pith_extraction.headline","status":"machine_extracted","claim_id":"C4","attestation":"unclaimed"}],"snapshot_sha256":"aacd6bfd534e2bfcaeecf7e2af1854e1993983968231ed0f8a79a2d4c02f0a0b"},"source":{"id":"2604.09160","kind":"arxiv","version":1},"verdict":{"id":"dbb4c31c-d778-47a4-94eb-752df5a6d653","model_set":{"reader":"grok-4.3"},"created_at":"2026-05-10T17:52:56.470441Z","strongest_claim":"assuming a mean microlens mass ⟨M⟩ = 0.3 M⊙ and concentric Gaussian sources that move according to the velocity distribution peaks (speed and direction) reported in a previous microlensing analysis, we find that the half-light radius of the g-band source is 9.6 ± 2.7 lt-day and the size of the sources grows with wavelength with a power-law index of α = 0.94 ± 0.05.","one_line_summary":"30-year VRI light curves of the Einstein Cross show the quasar optical source half-light radius scales with wavelength as a power law with index 0.94, giving a g-band size of 9.6 light-days for 0.3 solar-mass microlenses.","pipeline_version":"pith-pipeline@v0.9.0","weakest_assumption":"The sources are concentric Gaussian profiles whose motion follows velocity peaks taken from a prior microlensing study, combined with a fixed mean microlens mass of 0.3 solar masses; any inaccuracy in these inputs directly scales the derived radii and power-law index.","pith_extraction_headline":"Long-term monitoring of the Einstein Cross quasar shows its optical source size scales nearly linearly with wavelength."},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2604.09160/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":53,"sample":[{"doi":"","year":1999,"title":"Agol, E., & Krolik, J.\\ 1999, ApJ, 524, 49","work_id":"cacbd28b-484a-4391-9799-345ceca1edec","ref_index":1,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2000,"title":"H.\\ 2000, ApJ, 528, 161","work_id":"fc7274e9-4ce9-4467-afb8-36099b11a1e0","ref_index":2,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2002,"title":"Alcalde, D., Mediavilla, E., Moreau, O., et al.\\ 2002, ApJ, 572, 729","work_id":"bf3190e8-bca7-4d13-83a0-193c8463ba6c","ref_index":3,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2008,"title":"Anguita, T., Schmidt, R. W., Turner, E. L., et al.\\ 2008, A&A, 480, 327","work_id":"3388aeba-9ecb-43ba-aff6-f5da9c0b2580","ref_index":4,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2017,"title":"A., & Tsvetkova, V","work_id":"40681a34-3e18-48b9-814b-4bbbdd36dc0c","ref_index":5,"cited_arxiv_id":"","is_internal_anchor":false}],"resolved_work":53,"snapshot_sha256":"edf3e15c7f76970ecd400622403cb05eac8941903abc3bbe40cce21940c65663","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":"dbb4c31c-d778-47a4-94eb-752df5a6d653"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-06-03T14:05:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YONhC78GEGLgPe84Mqrf4OREwM505Xm5u38bndr59LYTwL4uuyAFQA8EIl/iLRhwM37X1ED2rJYysAV8TVlFAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-01T23:39:32.339956Z"},"content_sha256":"963ec8b2430f980395d04ba9c4ee3b0d9f275d21a4879e3499fb8b020fa1ff32","schema_version":"1.0","event_id":"sha256:963ec8b2430f980395d04ba9c4ee3b0d9f275d21a4879e3499fb8b020fa1ff32"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/J3CXGOTMGHFJ3QPFSXELG32ZFL/bundle.json","state_url":"https://pith.science/pith/J3CXGOTMGHFJ3QPFSXELG32ZFL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/J3CXGOTMGHFJ3QPFSXELG32ZFL/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":"2026-07-01T23:39:32Z","links":{"resolver":"https://pith.science/pith/J3CXGOTMGHFJ3QPFSXELG32ZFL","bundle":"https://pith.science/pith/J3CXGOTMGHFJ3QPFSXELG32ZFL/bundle.json","state":"https://pith.science/pith/J3CXGOTMGHFJ3QPFSXELG32ZFL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/J3CXGOTMGHFJ3QPFSXELG32ZFL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:J3CXGOTMGHFJ3QPFSXELG32ZFL","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":"f977938de49fe8ae2c9ee776d40648a24640bb79ec31f5c101bed32deabd7192","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-04-10T09:46:15Z","title_canon_sha256":"15794326c05f8c0c0ad665b2648b5fa01e9578662390ba35eb1de80a67dd9df2"},"schema_version":"1.0","source":{"id":"2604.09160","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2604.09160","created_at":"2026-06-03T14:05:47Z"},{"alias_kind":"arxiv_version","alias_value":"2604.09160v1","created_at":"2026-06-03T14:05:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2604.09160","created_at":"2026-06-03T14:05:47Z"},{"alias_kind":"pith_short_12","alias_value":"J3CXGOTMGHFJ","created_at":"2026-06-03T14:05:47Z"},{"alias_kind":"pith_short_16","alias_value":"J3CXGOTMGHFJ3QPF","created_at":"2026-06-03T14:05:47Z"},{"alias_kind":"pith_short_8","alias_value":"J3CXGOTM","created_at":"2026-06-03T14:05:47Z"}],"graph_snapshots":[{"event_id":"sha256:963ec8b2430f980395d04ba9c4ee3b0d9f275d21a4879e3499fb8b020fa1ff32","target":"graph","created_at":"2026-06-03T14:05:47Z","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":"assuming a mean microlens mass ⟨M⟩ = 0.3 M⊙ and concentric Gaussian sources that move according to the velocity distribution peaks (speed and direction) reported in a previous microlensing analysis, we find that the half-light radius of the g-band source is 9.6 ± 2.7 lt-day and the size of the sources grows with wavelength with a power-law index of α = 0.94 ± 0.05."},{"attestation":"unclaimed","claim_id":"C2","kind":"weakest_assumption","source":"verdict.weakest_assumption","status":"machine_extracted","text":"The sources are concentric Gaussian profiles whose motion follows velocity peaks taken from a prior microlensing study, combined with a fixed mean microlens mass of 0.3 solar masses; any inaccuracy in these inputs directly scales the derived radii and power-law index."},{"attestation":"unclaimed","claim_id":"C3","kind":"one_line_summary","source":"verdict.one_line_summary","status":"machine_extracted","text":"30-year VRI light curves of the Einstein Cross show the quasar optical source half-light radius scales with wavelength as a power law with index 0.94, giving a g-band size of 9.6 light-days for 0.3 solar-mass microlenses."},{"attestation":"unclaimed","claim_id":"C4","kind":"headline","source":"verdict.pith_extraction.headline","status":"machine_extracted","text":"Long-term monitoring of the Einstein Cross quasar shows its optical source size scales nearly linearly with wavelength."}],"snapshot_sha256":"aacd6bfd534e2bfcaeecf7e2af1854e1993983968231ed0f8a79a2d4c02f0a0b"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2604.09160/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present an extended optical monitoring of the quadruply-imaged gravitationally lensed quasar QSO 2237+0305, the Einstein Cross, including observations from different observatories in both hemispheres and using a new photometric technique. This technique uses a region far enough from the lens system to determine accurately the sky background level, and minimises contamination from the lensing galaxy by combining analytical and numerical modeling of its structure. The resulting light curves of the four quasar images describe variations across practically the entire optical spectrum and span a","authors_text":"A. Esteban-Guti\\'errez, A. Sergeyev, A. Yonehara, C. W. Morgan, E. Mediavilla, L. J. Goicoechea, R. Gil-Merino, V. N. Shalyapin","cross_cats":[],"headline":"Long-term monitoring of the Einstein Cross quasar shows its optical source size scales nearly linearly with wavelength.","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-04-10T09:46:15Z","title":"Joining forces: 30 years optical monitoring of the Einstein Cross"},"references":{"count":53,"internal_anchors":0,"resolved_work":53,"sample":[{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":1,"title":"Agol, E., & Krolik, J.\\ 1999, ApJ, 524, 49","work_id":"cacbd28b-484a-4391-9799-345ceca1edec","year":1999},{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":2,"title":"H.\\ 2000, ApJ, 528, 161","work_id":"fc7274e9-4ce9-4467-afb8-36099b11a1e0","year":2000},{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":3,"title":"Alcalde, D., Mediavilla, E., Moreau, O., et al.\\ 2002, ApJ, 572, 729","work_id":"bf3190e8-bca7-4d13-83a0-193c8463ba6c","year":2002},{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":4,"title":"Anguita, T., Schmidt, R. W., Turner, E. L., et al.\\ 2008, A&A, 480, 327","work_id":"3388aeba-9ecb-43ba-aff6-f5da9c0b2580","year":2008},{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":5,"title":"A., & Tsvetkova, V","work_id":"40681a34-3e18-48b9-814b-4bbbdd36dc0c","year":2017}],"snapshot_sha256":"edf3e15c7f76970ecd400622403cb05eac8941903abc3bbe40cce21940c65663"},"source":{"id":"2604.09160","kind":"arxiv","version":1},"verdict":{"created_at":"2026-05-10T17:52:56.470441Z","id":"dbb4c31c-d778-47a4-94eb-752df5a6d653","model_set":{"reader":"grok-4.3"},"one_line_summary":"30-year VRI light curves of the Einstein Cross show the quasar optical source half-light radius scales with wavelength as a power law with index 0.94, giving a g-band size of 9.6 light-days for 0.3 solar-mass microlenses.","pipeline_version":"pith-pipeline@v0.9.0","pith_extraction_headline":"Long-term monitoring of the Einstein Cross quasar shows its optical source size scales nearly linearly with wavelength.","strongest_claim":"assuming a mean microlens mass ⟨M⟩ = 0.3 M⊙ and concentric Gaussian sources that move according to the velocity distribution peaks (speed and direction) reported in a previous microlensing analysis, we find that the half-light radius of the g-band source is 9.6 ± 2.7 lt-day and the size of the sources grows with wavelength with a power-law index of α = 0.94 ± 0.05.","weakest_assumption":"The sources are concentric Gaussian profiles whose motion follows velocity peaks taken from a prior microlensing study, combined with a fixed mean microlens mass of 0.3 solar masses; any inaccuracy in these inputs directly scales the derived radii and power-law index."}},"verdict_id":"dbb4c31c-d778-47a4-94eb-752df5a6d653"}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:c315330b50ac3aa2f7a455fad299a402aec39b4b9574af2661c512ae50d6fd91","target":"record","created_at":"2026-06-03T14:05:47Z","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":"f977938de49fe8ae2c9ee776d40648a24640bb79ec31f5c101bed32deabd7192","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-04-10T09:46:15Z","title_canon_sha256":"15794326c05f8c0c0ad665b2648b5fa01e9578662390ba35eb1de80a67dd9df2"},"schema_version":"1.0","source":{"id":"2604.09160","kind":"arxiv","version":1}},"canonical_sha256":"4ec5733a6c31ca9dc1e595c8b36f592ad92d671da94b98ff8afcc48f8f840718","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4ec5733a6c31ca9dc1e595c8b36f592ad92d671da94b98ff8afcc48f8f840718","first_computed_at":"2026-06-03T14:05:47.326630Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-03T14:05:47.326630Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xHBKlxYB/CVPxnudwo4O4/ffKkt9x9U9skbsfhZEkZRngDVpsuJ9S/lb0oN3VM1T93oWN/WAriBkbcpgl4xzBw==","signature_status":"signed_v1","signed_at":"2026-06-03T14:05:47.327117Z","signed_message":"canonical_sha256_bytes"},"source_id":"2604.09160","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c315330b50ac3aa2f7a455fad299a402aec39b4b9574af2661c512ae50d6fd91","sha256:963ec8b2430f980395d04ba9c4ee3b0d9f275d21a4879e3499fb8b020fa1ff32"],"state_sha256":"ffb9d54ef5f4099cc79e296c59604eed4e7f5afa68d153ae022481feab40a94c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gM7PkIB1n7WfFoxn6mzBpi8bNrV3axK4w0eDOOvmL+eGlel7HJNS7Pux4iA4ggNMK/BqSeke5kc8zYhlNUSKAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-01T23:39:32.343421Z","bundle_sha256":"2539af5186af0545b555ac81ab0cd562ca28556cd8f728dd323fadfc9442b762"}}