{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:P22O4BYVU6NJD6NMMA7YCYSXHQ","short_pith_number":"pith:P22O4BYV","canonical_record":{"source":{"id":"astro-ph/0304139","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-04-08T13:56:34Z","cross_cats_sorted":[],"title_canon_sha256":"2dc2c616124fbc0c78b0438d33ae166aed9e9132b26f3ae140ee18a187804782","abstract_canon_sha256":"18a54529e707332c51f2115f99edeb03e450f8f5d345a53ed300de25ab174f8a"},"schema_version":"1.0"},"canonical_sha256":"7eb4ee0715a79a91f9ac603f8162573c0e21e7badcc45b72f5688d0292aac80d","source":{"kind":"arxiv","id":"astro-ph/0304139","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0304139","created_at":"2026-07-04T16:36:49Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0304139v2","created_at":"2026-07-04T16:36:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0304139","created_at":"2026-07-04T16:36:49Z"},{"alias_kind":"pith_short_12","alias_value":"P22O4BYVU6NJ","created_at":"2026-07-04T16:36:49Z"},{"alias_kind":"pith_short_16","alias_value":"P22O4BYVU6NJD6NM","created_at":"2026-07-04T16:36:49Z"},{"alias_kind":"pith_short_8","alias_value":"P22O4BYV","created_at":"2026-07-04T16:36:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:P22O4BYVU6NJD6NMMA7YCYSXHQ","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0304139","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-04-08T13:56:34Z","cross_cats_sorted":[],"title_canon_sha256":"2dc2c616124fbc0c78b0438d33ae166aed9e9132b26f3ae140ee18a187804782","abstract_canon_sha256":"18a54529e707332c51f2115f99edeb03e450f8f5d345a53ed300de25ab174f8a"},"schema_version":"1.0"},"canonical_sha256":"7eb4ee0715a79a91f9ac603f8162573c0e21e7badcc45b72f5688d0292aac80d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:36:49.042648Z","signature_b64":"ZiO5LbrTCaNoMhZyc85bTBC/61ZQvtkc9LHjydyyI9y3KMxCdUDEEpkPc8dFvfr3LF6J5zeYS1pWbXUQr0xeBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7eb4ee0715a79a91f9ac603f8162573c0e21e7badcc45b72f5688d0292aac80d","last_reissued_at":"2026-07-04T16:36:49.042246Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:36:49.042246Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0304139","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":"2026-07-04T16:36:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3YgMv/YDaa5D8vRbW8qSoNSJPG8lYt7oyr9raPXY3af24cAKw0y+yneOBu/2OviXidjZVZzPXUKu9xg5jwn6CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T13:15:38.588844Z"},"content_sha256":"031afb71f44743622426d51c8a5adaad125723dab67dad0a71f288335c75ef68","schema_version":"1.0","event_id":"sha256:031afb71f44743622426d51c8a5adaad125723dab67dad0a71f288335c75ef68"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:P22O4BYVU6NJD6NMMA7YCYSXHQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"An XMM Observation of IGR J16320-4751=AX J1631.9-4752","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Goldwurm, J.A. Tomsick, J. Rodriguez, L. Foschini, P. Kaaret, R. Walter, S. Corbel","submitted_at":"2003-04-08T13:56:34Z","abstract_excerpt":"The hard X-ray sensitivity and arcminute position accuracy of the recently launched International Gamma-Ray Laboratory (INTEGRAL) has lead to the (re-)discovery of a class of heavily absorbed hard X-ray sources lying in the Galactic plane. We report on the analysis of an XMM observation of such a source IGR J16320-4751 = AX J1631.9-4752. Our analysis allowed us to obtain the most accurate X-ray position to date (Rodriguez et al. 2003), and to identify a likely infrared counterpart (Tomsick et al. 2003). We present the detailed analysis of the IGR J1632-4751 XMM spectra. The PN spectrum can be "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0304139","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/astro-ph/0304139/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":"2026-07-04T16:36:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b35wWc+z3BSqSHROQO/P78qdvm3pN6Lun4Ha/L+EvCEjHWS5BSlxF149XiEN1Efk4PjtuqGCtdI6vh9TA5RDCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T13:15:38.589223Z"},"content_sha256":"07b5d3f52fd328aa2112afe2dffd06e362e2d0d9c8dc56407af07f4cea08d355","schema_version":"1.0","event_id":"sha256:07b5d3f52fd328aa2112afe2dffd06e362e2d0d9c8dc56407af07f4cea08d355"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/P22O4BYVU6NJD6NMMA7YCYSXHQ/bundle.json","state_url":"https://pith.science/pith/P22O4BYVU6NJD6NMMA7YCYSXHQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/P22O4BYVU6NJD6NMMA7YCYSXHQ/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":"2026-08-13T13:15:38Z","links":{"resolver":"https://pith.science/pith/P22O4BYVU6NJD6NMMA7YCYSXHQ","bundle":"https://pith.science/pith/P22O4BYVU6NJD6NMMA7YCYSXHQ/bundle.json","state":"https://pith.science/pith/P22O4BYVU6NJD6NMMA7YCYSXHQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/P22O4BYVU6NJD6NMMA7YCYSXHQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:P22O4BYVU6NJD6NMMA7YCYSXHQ","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":"18a54529e707332c51f2115f99edeb03e450f8f5d345a53ed300de25ab174f8a","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-04-08T13:56:34Z","title_canon_sha256":"2dc2c616124fbc0c78b0438d33ae166aed9e9132b26f3ae140ee18a187804782"},"schema_version":"1.0","source":{"id":"astro-ph/0304139","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0304139","created_at":"2026-07-04T16:36:49Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0304139v2","created_at":"2026-07-04T16:36:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0304139","created_at":"2026-07-04T16:36:49Z"},{"alias_kind":"pith_short_12","alias_value":"P22O4BYVU6NJ","created_at":"2026-07-04T16:36:49Z"},{"alias_kind":"pith_short_16","alias_value":"P22O4BYVU6NJD6NM","created_at":"2026-07-04T16:36:49Z"},{"alias_kind":"pith_short_8","alias_value":"P22O4BYV","created_at":"2026-07-04T16:36:49Z"}],"graph_snapshots":[{"event_id":"sha256:07b5d3f52fd328aa2112afe2dffd06e362e2d0d9c8dc56407af07f4cea08d355","target":"graph","created_at":"2026-07-04T16:36:49Z","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/astro-ph/0304139/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The hard X-ray sensitivity and arcminute position accuracy of the recently launched International Gamma-Ray Laboratory (INTEGRAL) has lead to the (re-)discovery of a class of heavily absorbed hard X-ray sources lying in the Galactic plane. We report on the analysis of an XMM observation of such a source IGR J16320-4751 = AX J1631.9-4752. Our analysis allowed us to obtain the most accurate X-ray position to date (Rodriguez et al. 2003), and to identify a likely infrared counterpart (Tomsick et al. 2003). We present the detailed analysis of the IGR J1632-4751 XMM spectra. The PN spectrum can be ","authors_text":"A. Goldwurm, J.A. Tomsick, J. Rodriguez, L. Foschini, P. Kaaret, R. Walter, S. Corbel","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2003-04-08T13:56:34Z","title":"An XMM Observation of IGR J16320-4751=AX J1631.9-4752"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0304139","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":"sha256:031afb71f44743622426d51c8a5adaad125723dab67dad0a71f288335c75ef68","target":"record","created_at":"2026-07-04T16:36:49Z","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":"18a54529e707332c51f2115f99edeb03e450f8f5d345a53ed300de25ab174f8a","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-04-08T13:56:34Z","title_canon_sha256":"2dc2c616124fbc0c78b0438d33ae166aed9e9132b26f3ae140ee18a187804782"},"schema_version":"1.0","source":{"id":"astro-ph/0304139","kind":"arxiv","version":2}},"canonical_sha256":"7eb4ee0715a79a91f9ac603f8162573c0e21e7badcc45b72f5688d0292aac80d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7eb4ee0715a79a91f9ac603f8162573c0e21e7badcc45b72f5688d0292aac80d","first_computed_at":"2026-07-04T16:36:49.042246Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:36:49.042246Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZiO5LbrTCaNoMhZyc85bTBC/61ZQvtkc9LHjydyyI9y3KMxCdUDEEpkPc8dFvfr3LF6J5zeYS1pWbXUQr0xeBg==","signature_status":"signed_v1","signed_at":"2026-07-04T16:36:49.042648Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0304139","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:031afb71f44743622426d51c8a5adaad125723dab67dad0a71f288335c75ef68","sha256:07b5d3f52fd328aa2112afe2dffd06e362e2d0d9c8dc56407af07f4cea08d355"],"state_sha256":"241c8208eaa45e932888f1fc296d1fcac2edf20ca5beba2b5bdd4674234e6bc0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nP6deXW4hNZRN8Y/gUE2Gjs0QQbeYLHkLLd06NzDAfqzk6/UeGJ/dPuNrGrOBU3xC+kXCxQfgFtaLXNZmxnIBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T13:15:38.591995Z","bundle_sha256":"ffba14ba262c8a8b837266481e75354123ed5819d3a758ac583be666350c55f0"}}