{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:DDUF7O2DCYAOR5PX7D6RPSGYW3","short_pith_number":"pith:DDUF7O2D","canonical_record":{"source":{"id":"0901.3142","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-01-20T21:00:31Z","cross_cats_sorted":[],"title_canon_sha256":"e5e6f9f920ec608fab44147d6a71292093679ca7abe658ec788b40d0134959f1","abstract_canon_sha256":"913491a011f737e344443138ef30c6c51a007826672242bf56fdff0821dced00"},"schema_version":"1.0"},"canonical_sha256":"18e85fbb431600e8f5f7f8fd17c8d8b6f04cf9ca2f0c1a7cb734ace6302100cc","source":{"kind":"arxiv","id":"0901.3142","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0901.3142","created_at":"2026-07-04T17:14:16Z"},{"alias_kind":"arxiv_version","alias_value":"0901.3142v2","created_at":"2026-07-04T17:14:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0901.3142","created_at":"2026-07-04T17:14:16Z"},{"alias_kind":"pith_short_12","alias_value":"DDUF7O2DCYAO","created_at":"2026-07-04T17:14:16Z"},{"alias_kind":"pith_short_16","alias_value":"DDUF7O2DCYAOR5PX","created_at":"2026-07-04T17:14:16Z"},{"alias_kind":"pith_short_8","alias_value":"DDUF7O2D","created_at":"2026-07-04T17:14:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:DDUF7O2DCYAOR5PX7D6RPSGYW3","target":"record","payload":{"canonical_record":{"source":{"id":"0901.3142","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-01-20T21:00:31Z","cross_cats_sorted":[],"title_canon_sha256":"e5e6f9f920ec608fab44147d6a71292093679ca7abe658ec788b40d0134959f1","abstract_canon_sha256":"913491a011f737e344443138ef30c6c51a007826672242bf56fdff0821dced00"},"schema_version":"1.0"},"canonical_sha256":"18e85fbb431600e8f5f7f8fd17c8d8b6f04cf9ca2f0c1a7cb734ace6302100cc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:14:16.143167Z","signature_b64":"xe7KmR7FoqhykLSLOZfNByY7cG8Xe10Z1J8mPUM8UJsJRbfA0KPVfhSqLmOaaD5HcoLW2HnTNZwm9vgwhlbYAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"18e85fbb431600e8f5f7f8fd17c8d8b6f04cf9ca2f0c1a7cb734ace6302100cc","last_reissued_at":"2026-07-04T17:14:16.142759Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:14:16.142759Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0901.3142","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T17:14:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mhzIXz2HLLbUFdnf1GeoWgjKwiRbPlclMGAzmHbEO7ldpA3IbojY/TOW8YL8JTtVq5DmU8P4jaWo3wzT2u9OAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T11:25:47.265009Z"},"content_sha256":"62a4814ef7649bb6ab0bdc62ece66b0659ec0bc30ca158f69dbe7fb4d0b2cbf9","schema_version":"1.0","event_id":"sha256:62a4814ef7649bb6ab0bdc62ece66b0659ec0bc30ca158f69dbe7fb4d0b2cbf9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:DDUF7O2DCYAOR5PX7D6RPSGYW3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Broad relativistic iron emission line observed in SAX J1808.4-3658","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. Patruno, D. Altamirano, E. M. Cackett, J. M. Miller, M. Linares, M. Reynolds, R. Wijnands","submitted_at":"2009-01-20T21:00:31Z","abstract_excerpt":"During the September-October 2008 outburst of the accreting millisecond pulsar SAX J1808.4-3658, the source was observed by both Suzaku and XMM-Newton approximately 1 day apart. Spectral analysis reveals a broad relativistic Fe K-alpha emission line which is present in both data-sets, as has recently been reported for other neutron star low-mass X-ray binaries. The properties of the Fe K line observed during each observation are very similar. From modeling the Fe line, we determine the inner accretion disk radius to be 13.2 +/- 2.5 GM/c^2. The inner disk radius measured from the Fe K line sugg"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0901.3142","kind":"arxiv","version":2},"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/0901.3142/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":"2026-07-04T17:14:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"itN2S8poI4z/ICwdDl4TNMA7oHHXvpUZEk+YpREVt1xPp3/o7ar3lDUbp/V9G4xDW6Hg4x/KjiYiABSn/1k2Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T11:25:47.265430Z"},"content_sha256":"4e015db81e568640df7b3bd1831f0589ab16237548858b8187b664c252563ef9","schema_version":"1.0","event_id":"sha256:4e015db81e568640df7b3bd1831f0589ab16237548858b8187b664c252563ef9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DDUF7O2DCYAOR5PX7D6RPSGYW3/bundle.json","state_url":"https://pith.science/pith/DDUF7O2DCYAOR5PX7D6RPSGYW3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DDUF7O2DCYAOR5PX7D6RPSGYW3/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":"2026-07-07T11:25:47Z","links":{"resolver":"https://pith.science/pith/DDUF7O2DCYAOR5PX7D6RPSGYW3","bundle":"https://pith.science/pith/DDUF7O2DCYAOR5PX7D6RPSGYW3/bundle.json","state":"https://pith.science/pith/DDUF7O2DCYAOR5PX7D6RPSGYW3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DDUF7O2DCYAOR5PX7D6RPSGYW3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:DDUF7O2DCYAOR5PX7D6RPSGYW3","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":"913491a011f737e344443138ef30c6c51a007826672242bf56fdff0821dced00","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-01-20T21:00:31Z","title_canon_sha256":"e5e6f9f920ec608fab44147d6a71292093679ca7abe658ec788b40d0134959f1"},"schema_version":"1.0","source":{"id":"0901.3142","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0901.3142","created_at":"2026-07-04T17:14:16Z"},{"alias_kind":"arxiv_version","alias_value":"0901.3142v2","created_at":"2026-07-04T17:14:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0901.3142","created_at":"2026-07-04T17:14:16Z"},{"alias_kind":"pith_short_12","alias_value":"DDUF7O2DCYAO","created_at":"2026-07-04T17:14:16Z"},{"alias_kind":"pith_short_16","alias_value":"DDUF7O2DCYAOR5PX","created_at":"2026-07-04T17:14:16Z"},{"alias_kind":"pith_short_8","alias_value":"DDUF7O2D","created_at":"2026-07-04T17:14:16Z"}],"graph_snapshots":[{"event_id":"sha256:4e015db81e568640df7b3bd1831f0589ab16237548858b8187b664c252563ef9","target":"graph","created_at":"2026-07-04T17:14:16Z","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/0901.3142/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"During the September-October 2008 outburst of the accreting millisecond pulsar SAX J1808.4-3658, the source was observed by both Suzaku and XMM-Newton approximately 1 day apart. Spectral analysis reveals a broad relativistic Fe K-alpha emission line which is present in both data-sets, as has recently been reported for other neutron star low-mass X-ray binaries. The properties of the Fe K line observed during each observation are very similar. From modeling the Fe line, we determine the inner accretion disk radius to be 13.2 +/- 2.5 GM/c^2. The inner disk radius measured from the Fe K line sugg","authors_text":"A. Patruno, D. Altamirano, E. M. Cackett, J. M. Miller, M. Linares, M. Reynolds, R. Wijnands","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-01-20T21:00:31Z","title":"Broad relativistic iron emission line observed in SAX J1808.4-3658"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0901.3142","kind":"arxiv","version":2},"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":"sha256:62a4814ef7649bb6ab0bdc62ece66b0659ec0bc30ca158f69dbe7fb4d0b2cbf9","target":"record","created_at":"2026-07-04T17:14:16Z","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":"913491a011f737e344443138ef30c6c51a007826672242bf56fdff0821dced00","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-01-20T21:00:31Z","title_canon_sha256":"e5e6f9f920ec608fab44147d6a71292093679ca7abe658ec788b40d0134959f1"},"schema_version":"1.0","source":{"id":"0901.3142","kind":"arxiv","version":2}},"canonical_sha256":"18e85fbb431600e8f5f7f8fd17c8d8b6f04cf9ca2f0c1a7cb734ace6302100cc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"18e85fbb431600e8f5f7f8fd17c8d8b6f04cf9ca2f0c1a7cb734ace6302100cc","first_computed_at":"2026-07-04T17:14:16.142759Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:14:16.142759Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xe7KmR7FoqhykLSLOZfNByY7cG8Xe10Z1J8mPUM8UJsJRbfA0KPVfhSqLmOaaD5HcoLW2HnTNZwm9vgwhlbYAQ==","signature_status":"signed_v1","signed_at":"2026-07-04T17:14:16.143167Z","signed_message":"canonical_sha256_bytes"},"source_id":"0901.3142","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:62a4814ef7649bb6ab0bdc62ece66b0659ec0bc30ca158f69dbe7fb4d0b2cbf9","sha256:4e015db81e568640df7b3bd1831f0589ab16237548858b8187b664c252563ef9"],"state_sha256":"b041d3064d4f10cb4f20647d6b464d28358c5ad34ce6791acd50d63256ce48c0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hvbVIuVNJVSqddlZXhmYMeSHru7FWqJi8GjYvuPm6qyc4Wq42e8c52vrwa2bov0qo3ixFjZdVvNnNJhU9NUKBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T11:25:47.267383Z","bundle_sha256":"67280fb8eb4a1aa4cf6cd87aba3dc001882e5e997ddee64c783b73dedaa6f01f"}}