{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2001:V46X34TPCDNZLEUWOGRKML7XXA","short_pith_number":"pith:V46X34TP","canonical_record":{"source":{"id":"astro-ph/0101110","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2001-01-08T17:56:00Z","cross_cats_sorted":[],"title_canon_sha256":"a9399731bc26285ada48bcc6272e832bb4af3c4b7bc5b44395dfd3d2a04574b7","abstract_canon_sha256":"a5cb27a66d88988a8c5777261ae1fcae6cbc335a1f4d86908f5fcf58a3ed1718"},"schema_version":"1.0"},"canonical_sha256":"af3d7df26f10db95929671a2a62ff7b8321c7850e7001b276d8fcc7210c0618d","source":{"kind":"arxiv","id":"astro-ph/0101110","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0101110","created_at":"2026-07-04T16:22:32Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0101110v1","created_at":"2026-07-04T16:22:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0101110","created_at":"2026-07-04T16:22:32Z"},{"alias_kind":"pith_short_12","alias_value":"V46X34TPCDNZ","created_at":"2026-07-04T16:22:32Z"},{"alias_kind":"pith_short_16","alias_value":"V46X34TPCDNZLEUW","created_at":"2026-07-04T16:22:32Z"},{"alias_kind":"pith_short_8","alias_value":"V46X34TP","created_at":"2026-07-04T16:22:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2001:V46X34TPCDNZLEUWOGRKML7XXA","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0101110","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2001-01-08T17:56:00Z","cross_cats_sorted":[],"title_canon_sha256":"a9399731bc26285ada48bcc6272e832bb4af3c4b7bc5b44395dfd3d2a04574b7","abstract_canon_sha256":"a5cb27a66d88988a8c5777261ae1fcae6cbc335a1f4d86908f5fcf58a3ed1718"},"schema_version":"1.0"},"canonical_sha256":"af3d7df26f10db95929671a2a62ff7b8321c7850e7001b276d8fcc7210c0618d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:22:32.750558Z","signature_b64":"ZN0GI6vwV/7XLHDq0hX8EYf5caLnFYZGIFhzIMsqASXUQl4agz8+53ZvLIFRbfOoB/zlFs0XHam1YFBJQqdlCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"af3d7df26f10db95929671a2a62ff7b8321c7850e7001b276d8fcc7210c0618d","last_reissued_at":"2026-07-04T16:22:32.750184Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:22:32.750184Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0101110","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":"2026-07-04T16:22:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J0PzxYvjVn9RecbKVx5NLB6a4nnw6jgtJuFrP7lDvmxwmM/TvWmPCOoxVZWtiWAArjH765Yo4jVRqxPuVh/gBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T13:42:49.375871Z"},"content_sha256":"596be77bbb6a6c911ac84e22dde1f40f3bd2790964627f48ff6252ef1f81fe75","schema_version":"1.0","event_id":"sha256:596be77bbb6a6c911ac84e22dde1f40f3bd2790964627f48ff6252ef1f81fe75"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2001:V46X34TPCDNZLEUWOGRKML7XXA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Discovery of a Cyclotron Resonant Scattering Feature in the RXTE Spectrum of 4U 0352+309 (X Per)","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"D. E. Gruber, I. Kreykenbohm, J. Wilms, R. E. Rothschild, R. Staubert, W. A. Heindl, W. Coburn","submitted_at":"2001-01-08T17:56:00Z","abstract_excerpt":"We have discovered a ~29 keV Cyclotron Resonant Scattering Feature (CRSF) in the X-Ray spectrum of 4U 0352+309 (X Per) using observations taken with the Rossi X-Ray Timing Explorer. 4U 0352+309 is a persistent low luminosity (L_x = 4.2x10^34 ergs/s) X-ray pulsar, with a 837 s period and which accretes material from the Be star X Per. The X-Ray spectrum, unusual when compared to brighter accreting pulsars, may be due to the low mass accretion rate and could be typical of the new class of persistent low luminosity Be/X-Ray binary pulsars. We attempted spectral fits with continuum models used his"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0101110","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/astro-ph/0101110/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":"2026-07-04T16:22:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mLAJG5uE/440NtsrcRongS5Y/G0jxqtgEmOlLmVygKw2DiUdyvzN1AfyJRetoPItHOTkOUYPPBlE634pHivdCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T13:42:49.376369Z"},"content_sha256":"911cbad79b34d69c733a8ce75319b6a2e57f0857b99536bc7d54524c0ac8f68e","schema_version":"1.0","event_id":"sha256:911cbad79b34d69c733a8ce75319b6a2e57f0857b99536bc7d54524c0ac8f68e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/V46X34TPCDNZLEUWOGRKML7XXA/bundle.json","state_url":"https://pith.science/pith/V46X34TPCDNZLEUWOGRKML7XXA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/V46X34TPCDNZLEUWOGRKML7XXA/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":"2026-08-05T13:42:49Z","links":{"resolver":"https://pith.science/pith/V46X34TPCDNZLEUWOGRKML7XXA","bundle":"https://pith.science/pith/V46X34TPCDNZLEUWOGRKML7XXA/bundle.json","state":"https://pith.science/pith/V46X34TPCDNZLEUWOGRKML7XXA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/V46X34TPCDNZLEUWOGRKML7XXA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2001:V46X34TPCDNZLEUWOGRKML7XXA","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":"a5cb27a66d88988a8c5777261ae1fcae6cbc335a1f4d86908f5fcf58a3ed1718","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2001-01-08T17:56:00Z","title_canon_sha256":"a9399731bc26285ada48bcc6272e832bb4af3c4b7bc5b44395dfd3d2a04574b7"},"schema_version":"1.0","source":{"id":"astro-ph/0101110","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0101110","created_at":"2026-07-04T16:22:32Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0101110v1","created_at":"2026-07-04T16:22:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0101110","created_at":"2026-07-04T16:22:32Z"},{"alias_kind":"pith_short_12","alias_value":"V46X34TPCDNZ","created_at":"2026-07-04T16:22:32Z"},{"alias_kind":"pith_short_16","alias_value":"V46X34TPCDNZLEUW","created_at":"2026-07-04T16:22:32Z"},{"alias_kind":"pith_short_8","alias_value":"V46X34TP","created_at":"2026-07-04T16:22:32Z"}],"graph_snapshots":[{"event_id":"sha256:911cbad79b34d69c733a8ce75319b6a2e57f0857b99536bc7d54524c0ac8f68e","target":"graph","created_at":"2026-07-04T16:22:32Z","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/0101110/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We have discovered a ~29 keV Cyclotron Resonant Scattering Feature (CRSF) in the X-Ray spectrum of 4U 0352+309 (X Per) using observations taken with the Rossi X-Ray Timing Explorer. 4U 0352+309 is a persistent low luminosity (L_x = 4.2x10^34 ergs/s) X-ray pulsar, with a 837 s period and which accretes material from the Be star X Per. The X-Ray spectrum, unusual when compared to brighter accreting pulsars, may be due to the low mass accretion rate and could be typical of the new class of persistent low luminosity Be/X-Ray binary pulsars. We attempted spectral fits with continuum models used his","authors_text":"D. E. Gruber, I. Kreykenbohm, J. Wilms, R. E. Rothschild, R. Staubert, W. A. Heindl, W. Coburn","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2001-01-08T17:56:00Z","title":"Discovery of a Cyclotron Resonant Scattering Feature in the RXTE Spectrum of 4U 0352+309 (X Per)"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0101110","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":"sha256:596be77bbb6a6c911ac84e22dde1f40f3bd2790964627f48ff6252ef1f81fe75","target":"record","created_at":"2026-07-04T16:22:32Z","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":"a5cb27a66d88988a8c5777261ae1fcae6cbc335a1f4d86908f5fcf58a3ed1718","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2001-01-08T17:56:00Z","title_canon_sha256":"a9399731bc26285ada48bcc6272e832bb4af3c4b7bc5b44395dfd3d2a04574b7"},"schema_version":"1.0","source":{"id":"astro-ph/0101110","kind":"arxiv","version":1}},"canonical_sha256":"af3d7df26f10db95929671a2a62ff7b8321c7850e7001b276d8fcc7210c0618d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"af3d7df26f10db95929671a2a62ff7b8321c7850e7001b276d8fcc7210c0618d","first_computed_at":"2026-07-04T16:22:32.750184Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:22:32.750184Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZN0GI6vwV/7XLHDq0hX8EYf5caLnFYZGIFhzIMsqASXUQl4agz8+53ZvLIFRbfOoB/zlFs0XHam1YFBJQqdlCw==","signature_status":"signed_v1","signed_at":"2026-07-04T16:22:32.750558Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0101110","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:596be77bbb6a6c911ac84e22dde1f40f3bd2790964627f48ff6252ef1f81fe75","sha256:911cbad79b34d69c733a8ce75319b6a2e57f0857b99536bc7d54524c0ac8f68e"],"state_sha256":"df947ac30979fd18d7eef676c2fd1245de88d4daf29dfb61c1d71366329b5769"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xDSlofdgpzTcHkkmEliVQYfPg0fNKdPQP8f6uIiqACejXDGN9qo5FySufv1LD5cWq7RKOxHSdYt4QWLYObZqCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T13:42:49.380656Z","bundle_sha256":"2fe7cae83c38d60d7b2ed6190cf27fea9a2b9a638d35d32ebf721bceba3c33ef"}}