{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2000:U5UM2YUZYX4LCFUHN5JNVLCH74","short_pith_number":"pith:U5UM2YUZ","canonical_record":{"source":{"id":"astro-ph/0009044","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2000-09-04T16:07:16Z","cross_cats_sorted":[],"title_canon_sha256":"d81e3fd19140176d22d61bfa65ecc392827a1aaac4b01f95754138030391c83d","abstract_canon_sha256":"861c860e9eefc5c59c4fa23ec49ac5e2f3c70b7c02100ffa3ca1412ff68e3c33"},"schema_version":"1.0"},"canonical_sha256":"a768cd6299c5f8b116876f52daac47ff3e1bdc8bf727f7c0c33e1cf7f16547d3","source":{"kind":"arxiv","id":"astro-ph/0009044","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0009044","created_at":"2026-07-04T14:10:41Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0009044v1","created_at":"2026-07-04T14:10:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0009044","created_at":"2026-07-04T14:10:41Z"},{"alias_kind":"pith_short_12","alias_value":"U5UM2YUZYX4L","created_at":"2026-07-04T14:10:41Z"},{"alias_kind":"pith_short_16","alias_value":"U5UM2YUZYX4LCFUH","created_at":"2026-07-04T14:10:41Z"},{"alias_kind":"pith_short_8","alias_value":"U5UM2YUZ","created_at":"2026-07-04T14:10:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2000:U5UM2YUZYX4LCFUHN5JNVLCH74","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0009044","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2000-09-04T16:07:16Z","cross_cats_sorted":[],"title_canon_sha256":"d81e3fd19140176d22d61bfa65ecc392827a1aaac4b01f95754138030391c83d","abstract_canon_sha256":"861c860e9eefc5c59c4fa23ec49ac5e2f3c70b7c02100ffa3ca1412ff68e3c33"},"schema_version":"1.0"},"canonical_sha256":"a768cd6299c5f8b116876f52daac47ff3e1bdc8bf727f7c0c33e1cf7f16547d3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:10:41.951385Z","signature_b64":"85RrevjWVUt1QRmRao5ImRvM8V2uSl9IXFkHVacXja8RP+ovCOpL0hV46Ypm6kQX9J6LobGkzSVzkBnwMT1eBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a768cd6299c5f8b116876f52daac47ff3e1bdc8bf727f7c0c33e1cf7f16547d3","last_reissued_at":"2026-07-04T14:10:41.950969Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:10:41.950969Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0009044","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":"2026-07-04T14:10:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7aWEJLGUYDBN87WasyoRUNiIrS2SUdy6R9nhxdhq2ZkGnPWTKeMPeN4d4tk1d8gQi0DOuZkldUg4W3aozVrACA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T05:21:27.618530Z"},"content_sha256":"a873ba43d31d3dafa02e719f6f41eaecff95a7eb84b51f38b02fd13527b05176","schema_version":"1.0","event_id":"sha256:a873ba43d31d3dafa02e719f6f41eaecff95a7eb84b51f38b02fd13527b05176"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2000:U5UM2YUZYX4LCFUHN5JNVLCH74","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hard X-rays from Type II bursts of the Rapid Burster and its transition toward quiescence","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A.N. Parmar, D. Dal Fiume, E. Palazzi, F. Frontera, G. Cusumano, G. Pareschi, I. Lapidus, L. Amati, L. Stella, M. Orlandini, N. Masetti, R.A. Remillard, S. Del Sordo","submitted_at":"2000-09-04T16:07:16Z","abstract_excerpt":"We report on 4 BeppoSAX Target Of Opportunity observations of MXB 1730-335, the Rapid Burster (RB), made during the 1998 February-March outburst. In the first observation, approximately 20 days after the outburst peak, the X-ray light curve showed Type II bursts at a rate of 43 per hour. Nine days later, during the second BeppoSAX pointing, only 5 Type II bursts were detected at the beginning of the observation. During the third pointing no X-ray bursts were detected and in the fourth and final observation the RB was not detected at all. Persistent emission from the RB was detected up to 10 ke"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0009044","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/0009044/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":"2026-07-04T14:10:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ShQr4rmFUf3g02VvxzVretWD5r6kwOhO0fewiBSJq94m9mMqSL/i4xm+0ZGn/qSZf0PjQdNYQMPaPL7IfzGMAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T05:21:27.619439Z"},"content_sha256":"d0b232f03cfa65d7d81e0f226e9869a6d4a16e89b6fee583aebdd26e1a8ce097","schema_version":"1.0","event_id":"sha256:d0b232f03cfa65d7d81e0f226e9869a6d4a16e89b6fee583aebdd26e1a8ce097"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/U5UM2YUZYX4LCFUHN5JNVLCH74/bundle.json","state_url":"https://pith.science/pith/U5UM2YUZYX4LCFUHN5JNVLCH74/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/U5UM2YUZYX4LCFUHN5JNVLCH74/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":"2026-08-18T05:21:27Z","links":{"resolver":"https://pith.science/pith/U5UM2YUZYX4LCFUHN5JNVLCH74","bundle":"https://pith.science/pith/U5UM2YUZYX4LCFUHN5JNVLCH74/bundle.json","state":"https://pith.science/pith/U5UM2YUZYX4LCFUHN5JNVLCH74/state.json","well_known_bundle":"https://pith.science/.well-known/pith/U5UM2YUZYX4LCFUHN5JNVLCH74/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2000:U5UM2YUZYX4LCFUHN5JNVLCH74","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":"861c860e9eefc5c59c4fa23ec49ac5e2f3c70b7c02100ffa3ca1412ff68e3c33","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2000-09-04T16:07:16Z","title_canon_sha256":"d81e3fd19140176d22d61bfa65ecc392827a1aaac4b01f95754138030391c83d"},"schema_version":"1.0","source":{"id":"astro-ph/0009044","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0009044","created_at":"2026-07-04T14:10:41Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0009044v1","created_at":"2026-07-04T14:10:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0009044","created_at":"2026-07-04T14:10:41Z"},{"alias_kind":"pith_short_12","alias_value":"U5UM2YUZYX4L","created_at":"2026-07-04T14:10:41Z"},{"alias_kind":"pith_short_16","alias_value":"U5UM2YUZYX4LCFUH","created_at":"2026-07-04T14:10:41Z"},{"alias_kind":"pith_short_8","alias_value":"U5UM2YUZ","created_at":"2026-07-04T14:10:41Z"}],"graph_snapshots":[{"event_id":"sha256:d0b232f03cfa65d7d81e0f226e9869a6d4a16e89b6fee583aebdd26e1a8ce097","target":"graph","created_at":"2026-07-04T14:10:41Z","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/0009044/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We report on 4 BeppoSAX Target Of Opportunity observations of MXB 1730-335, the Rapid Burster (RB), made during the 1998 February-March outburst. In the first observation, approximately 20 days after the outburst peak, the X-ray light curve showed Type II bursts at a rate of 43 per hour. Nine days later, during the second BeppoSAX pointing, only 5 Type II bursts were detected at the beginning of the observation. During the third pointing no X-ray bursts were detected and in the fourth and final observation the RB was not detected at all. Persistent emission from the RB was detected up to 10 ke","authors_text":"A.N. Parmar, D. Dal Fiume, E. Palazzi, F. Frontera, G. Cusumano, G. Pareschi, I. Lapidus, L. Amati, L. Stella, M. Orlandini, N. Masetti, R.A. Remillard, S. Del Sordo","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2000-09-04T16:07:16Z","title":"Hard X-rays from Type II bursts of the Rapid Burster and its transition toward quiescence"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0009044","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:a873ba43d31d3dafa02e719f6f41eaecff95a7eb84b51f38b02fd13527b05176","target":"record","created_at":"2026-07-04T14:10:41Z","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":"861c860e9eefc5c59c4fa23ec49ac5e2f3c70b7c02100ffa3ca1412ff68e3c33","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2000-09-04T16:07:16Z","title_canon_sha256":"d81e3fd19140176d22d61bfa65ecc392827a1aaac4b01f95754138030391c83d"},"schema_version":"1.0","source":{"id":"astro-ph/0009044","kind":"arxiv","version":1}},"canonical_sha256":"a768cd6299c5f8b116876f52daac47ff3e1bdc8bf727f7c0c33e1cf7f16547d3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a768cd6299c5f8b116876f52daac47ff3e1bdc8bf727f7c0c33e1cf7f16547d3","first_computed_at":"2026-07-04T14:10:41.950969Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:10:41.950969Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"85RrevjWVUt1QRmRao5ImRvM8V2uSl9IXFkHVacXja8RP+ovCOpL0hV46Ypm6kQX9J6LobGkzSVzkBnwMT1eBw==","signature_status":"signed_v1","signed_at":"2026-07-04T14:10:41.951385Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0009044","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a873ba43d31d3dafa02e719f6f41eaecff95a7eb84b51f38b02fd13527b05176","sha256:d0b232f03cfa65d7d81e0f226e9869a6d4a16e89b6fee583aebdd26e1a8ce097"],"state_sha256":"1832a08df5b07da5d105263387a658a569d7140ba069826a1550c64247ab347f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iH22oyU07KW9k80DMkbloDSoZZd/yPD/UhbaY4Ty4AqDc/IC7+O2262jwSs4XwH+Sb2un2Ec3eXno5qtymV/Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T05:21:27.624972Z","bundle_sha256":"464db2578d7ab4d25d78efc32d07590d37a572122430fc53fb4f0cfa9d979e74"}}