{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1998:PX5WXPAW3UZYK5ODZNXUDIZWAM","short_pith_number":"pith:PX5WXPAW","canonical_record":{"source":{"id":"astro-ph/9806175","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1998-06-12T17:11:27Z","cross_cats_sorted":[],"title_canon_sha256":"f9022c8cc58a0fa60629f24afd2d8123fb37a311d51c4a73853ae74e0dbd300e","abstract_canon_sha256":"31e236d68345bfb1a9c57c05be459c1e510e626f7a76da0a8bfab0c7f3d1ded8"},"schema_version":"1.0"},"canonical_sha256":"7dfb6bbc16dd338575c3cb6f41a336032b3b431ff7a7bbfe5e22392c2a0bbcbd","source":{"kind":"arxiv","id":"astro-ph/9806175","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9806175","created_at":"2026-07-04T16:06:45Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9806175v1","created_at":"2026-07-04T16:06:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9806175","created_at":"2026-07-04T16:06:45Z"},{"alias_kind":"pith_short_12","alias_value":"PX5WXPAW3UZY","created_at":"2026-07-04T16:06:45Z"},{"alias_kind":"pith_short_16","alias_value":"PX5WXPAW3UZYK5OD","created_at":"2026-07-04T16:06:45Z"},{"alias_kind":"pith_short_8","alias_value":"PX5WXPAW","created_at":"2026-07-04T16:06:45Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1998:PX5WXPAW3UZYK5ODZNXUDIZWAM","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/9806175","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1998-06-12T17:11:27Z","cross_cats_sorted":[],"title_canon_sha256":"f9022c8cc58a0fa60629f24afd2d8123fb37a311d51c4a73853ae74e0dbd300e","abstract_canon_sha256":"31e236d68345bfb1a9c57c05be459c1e510e626f7a76da0a8bfab0c7f3d1ded8"},"schema_version":"1.0"},"canonical_sha256":"7dfb6bbc16dd338575c3cb6f41a336032b3b431ff7a7bbfe5e22392c2a0bbcbd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:06:45.868362Z","signature_b64":"bTBF+IHFBGZN6WeYJvZw5gkBOTmUGGF82Y8+SfnI0ZNB84bWVjDDWOz8zNi5HnklR/JWfR5Fzx3TW4ykaPMgDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7dfb6bbc16dd338575c3cb6f41a336032b3b431ff7a7bbfe5e22392c2a0bbcbd","last_reissued_at":"2026-07-04T16:06:45.867852Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:06:45.867852Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/9806175","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":"2026-07-04T16:06:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5ikoOsHVPSxPC89zvxux0hCHZqRwCsEn48abdXPIxJLGo6Eh/Tu5M8mbJaFeXyJLAN7nEky6CV8YS2tP4ZWsDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T17:46:47.107472Z"},"content_sha256":"0376ab2ad2f20abc02e3964a13c6850c342f03134a757a9974a5583ace713c77","schema_version":"1.0","event_id":"sha256:0376ab2ad2f20abc02e3964a13c6850c342f03134a757a9974a5583ace713c77"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1998:PX5WXPAW3UZYK5ODZNXUDIZWAM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Discovery of the peculiar supernova 1998bw in the error box of GRB980425","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"B.A. Peterson, B. Boyle, B. Leibundgut, C. Kouveliotou, C. Lidman, C. Robinson, C. Tinney, E. Costa, E. Malozzi, E. Palazzi, E. Pian, F. Frontera, F. Patat, H. Boehnhardt, H. Umeda, J. Brewer, J.-F. Gonzalez, J. Greiner, J. Heise, J. in 't Zand, J. van Paradijs, K. Iwamoto, K. Nomoto, L. Nicastro, L. Piro, M.C. Begam, M. Feroci, M. Kippen, N. Masetti, N. Tanvir, O.R. Hainaut, P. de Wildt, P. Ianna, P.J. Groot, P. Mazzali, P.M. Vreeswijk, R.A.M.J. Wijers, R. Cannon, R.G. Strom, R. Stathakis, T. Augusteijn, T.J. Galama, T. Koshut, T. Nakamura, V. Doublier","submitted_at":"1998-06-12T17:11:27Z","abstract_excerpt":"The discovery of X-ray, optical and radio afterglows of gamma-ray bursts (GRBs) and the measurements of the distances to some of them have established that these events come from Gpc distances and are the most powerful photon emitters known in the Universe, with peak luminosities up to 10^52 erg/s. We here report the discovery of an optical transient, in the BeppoSAX Wide Field Camera error box of GRB980425, which occurred within about a day of the gamma-ray burst. Its optical light curve, spectrum and location in a spiral arm of the galaxy ESO 184-G82, at a redshift z = 0.0085, show that the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9806175","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/9806175/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":"2026-07-04T16:06:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Wlyu24riI+0353X28StX47qcHHYLWKcGKZUD7HrMwBp6Ng5EmDjo+hImHGUUc0wU6RR2ln9xskn8JiKCbdN1DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T17:46:47.108238Z"},"content_sha256":"29c7455a69e058aaebf4c0ca0a74f4543276dc822a372dc7a4061b903891171d","schema_version":"1.0","event_id":"sha256:29c7455a69e058aaebf4c0ca0a74f4543276dc822a372dc7a4061b903891171d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PX5WXPAW3UZYK5ODZNXUDIZWAM/bundle.json","state_url":"https://pith.science/pith/PX5WXPAW3UZYK5ODZNXUDIZWAM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PX5WXPAW3UZYK5ODZNXUDIZWAM/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":"2026-08-06T17:46:47Z","links":{"resolver":"https://pith.science/pith/PX5WXPAW3UZYK5ODZNXUDIZWAM","bundle":"https://pith.science/pith/PX5WXPAW3UZYK5ODZNXUDIZWAM/bundle.json","state":"https://pith.science/pith/PX5WXPAW3UZYK5ODZNXUDIZWAM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PX5WXPAW3UZYK5ODZNXUDIZWAM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1998:PX5WXPAW3UZYK5ODZNXUDIZWAM","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":"31e236d68345bfb1a9c57c05be459c1e510e626f7a76da0a8bfab0c7f3d1ded8","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1998-06-12T17:11:27Z","title_canon_sha256":"f9022c8cc58a0fa60629f24afd2d8123fb37a311d51c4a73853ae74e0dbd300e"},"schema_version":"1.0","source":{"id":"astro-ph/9806175","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9806175","created_at":"2026-07-04T16:06:45Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9806175v1","created_at":"2026-07-04T16:06:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9806175","created_at":"2026-07-04T16:06:45Z"},{"alias_kind":"pith_short_12","alias_value":"PX5WXPAW3UZY","created_at":"2026-07-04T16:06:45Z"},{"alias_kind":"pith_short_16","alias_value":"PX5WXPAW3UZYK5OD","created_at":"2026-07-04T16:06:45Z"},{"alias_kind":"pith_short_8","alias_value":"PX5WXPAW","created_at":"2026-07-04T16:06:45Z"}],"graph_snapshots":[{"event_id":"sha256:29c7455a69e058aaebf4c0ca0a74f4543276dc822a372dc7a4061b903891171d","target":"graph","created_at":"2026-07-04T16:06:45Z","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/9806175/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The discovery of X-ray, optical and radio afterglows of gamma-ray bursts (GRBs) and the measurements of the distances to some of them have established that these events come from Gpc distances and are the most powerful photon emitters known in the Universe, with peak luminosities up to 10^52 erg/s. We here report the discovery of an optical transient, in the BeppoSAX Wide Field Camera error box of GRB980425, which occurred within about a day of the gamma-ray burst. Its optical light curve, spectrum and location in a spiral arm of the galaxy ESO 184-G82, at a redshift z = 0.0085, show that the ","authors_text":"B.A. Peterson, B. Boyle, B. Leibundgut, C. Kouveliotou, C. Lidman, C. Robinson, C. Tinney, E. Costa, E. Malozzi, E. Palazzi, E. Pian, F. Frontera, F. Patat, H. Boehnhardt, H. Umeda, J. Brewer, J.-F. Gonzalez, J. Greiner, J. Heise, J. in 't Zand, J. van Paradijs, K. Iwamoto, K. Nomoto, L. Nicastro, L. Piro, M.C. Begam, M. Feroci, M. Kippen, N. Masetti, N. Tanvir, O.R. Hainaut, P. de Wildt, P. Ianna, P.J. Groot, P. Mazzali, P.M. Vreeswijk, R.A.M.J. Wijers, R. Cannon, R.G. Strom, R. Stathakis, T. Augusteijn, T.J. Galama, T. Koshut, T. Nakamura, V. Doublier","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"1998-06-12T17:11:27Z","title":"Discovery of the peculiar supernova 1998bw in the error box of GRB980425"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9806175","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":"sha256:0376ab2ad2f20abc02e3964a13c6850c342f03134a757a9974a5583ace713c77","target":"record","created_at":"2026-07-04T16:06:45Z","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":"31e236d68345bfb1a9c57c05be459c1e510e626f7a76da0a8bfab0c7f3d1ded8","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1998-06-12T17:11:27Z","title_canon_sha256":"f9022c8cc58a0fa60629f24afd2d8123fb37a311d51c4a73853ae74e0dbd300e"},"schema_version":"1.0","source":{"id":"astro-ph/9806175","kind":"arxiv","version":1}},"canonical_sha256":"7dfb6bbc16dd338575c3cb6f41a336032b3b431ff7a7bbfe5e22392c2a0bbcbd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7dfb6bbc16dd338575c3cb6f41a336032b3b431ff7a7bbfe5e22392c2a0bbcbd","first_computed_at":"2026-07-04T16:06:45.867852Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:06:45.867852Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bTBF+IHFBGZN6WeYJvZw5gkBOTmUGGF82Y8+SfnI0ZNB84bWVjDDWOz8zNi5HnklR/JWfR5Fzx3TW4ykaPMgDw==","signature_status":"signed_v1","signed_at":"2026-07-04T16:06:45.868362Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/9806175","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0376ab2ad2f20abc02e3964a13c6850c342f03134a757a9974a5583ace713c77","sha256:29c7455a69e058aaebf4c0ca0a74f4543276dc822a372dc7a4061b903891171d"],"state_sha256":"d8ee85d42783d4ebd02effdefb0e33b69b6fb1245b19ba92ca7f497a0bdb4e52"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lsBLJc9X6vFkDpFN5juSw0aLEJZPba0aQLnyA4u/I1S8FLnynXjF4+1Mu0pK5atSqpo6Ei3U5QGZPCiWVD1sBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T17:46:47.115138Z","bundle_sha256":"7692fb69b3860ddbac73bde4dd511142a6f7ea48a5d6af886b6d57b3dc618e6d"}}