{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:ARFQEZBP2EKNIOZGSOXLV3DVPE","short_pith_number":"pith:ARFQEZBP","canonical_record":{"source":{"id":"0802.1712","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2008-02-13T13:10:28Z","cross_cats_sorted":[],"title_canon_sha256":"77f21e475e748e84df1451cd6f7f3ed96d73bea88eda0564b49a2157d209842b","abstract_canon_sha256":"021dbbb24d23c272b3cad689aa001bd31e6b00d5f14fdb10eff06849fc1df07f"},"schema_version":"1.0"},"canonical_sha256":"044b02642fd114d43b2693aebaec7579023b8314c3aa95ebcbaa97d0548e7936","source":{"kind":"arxiv","id":"0802.1712","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0802.1712","created_at":"2026-07-04T17:28:25Z"},{"alias_kind":"arxiv_version","alias_value":"0802.1712v2","created_at":"2026-07-04T17:28:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0802.1712","created_at":"2026-07-04T17:28:25Z"},{"alias_kind":"pith_short_12","alias_value":"ARFQEZBP2EKN","created_at":"2026-07-04T17:28:25Z"},{"alias_kind":"pith_short_16","alias_value":"ARFQEZBP2EKNIOZG","created_at":"2026-07-04T17:28:25Z"},{"alias_kind":"pith_short_8","alias_value":"ARFQEZBP","created_at":"2026-07-04T17:28:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:ARFQEZBP2EKNIOZGSOXLV3DVPE","target":"record","payload":{"canonical_record":{"source":{"id":"0802.1712","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2008-02-13T13:10:28Z","cross_cats_sorted":[],"title_canon_sha256":"77f21e475e748e84df1451cd6f7f3ed96d73bea88eda0564b49a2157d209842b","abstract_canon_sha256":"021dbbb24d23c272b3cad689aa001bd31e6b00d5f14fdb10eff06849fc1df07f"},"schema_version":"1.0"},"canonical_sha256":"044b02642fd114d43b2693aebaec7579023b8314c3aa95ebcbaa97d0548e7936","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:28:25.366641Z","signature_b64":"Qu/fWgFiIxANaNvfln53Q0u3dhRI5EmA/CMXY5s677x7WWIiu8AzLJsTaSguFp9gQWQZsX1Zh86lwExt0ijsDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"044b02642fd114d43b2693aebaec7579023b8314c3aa95ebcbaa97d0548e7936","last_reissued_at":"2026-07-04T17:28:25.366210Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:28:25.366210Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0802.1712","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":"2026-07-04T17:28:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AnTi7dkZbwsDvYQSUWtOwpdFXEShpJshGFj8qHN3dEvi7oFyl6/MYQCojeNMEF+BcZivSE3ul7S7YZtUJDoJCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T09:51:56.173342Z"},"content_sha256":"cfd0e9023b78292dc10d311e79f60c8c28b29c0af5bd4cd0f081602e45acf9f0","schema_version":"1.0","event_id":"sha256:cfd0e9023b78292dc10d311e79f60c8c28b29c0af5bd4cd0f081602e45acf9f0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:ARFQEZBP2EKNIOZGSOXLV3DVPE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"An extremely luminous X-ray outburst at the birth of a supernova","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Burrows, A. Cucchiara, A. Gal-Yam, A. K. H. Kong, A. M. Soderberg, A. P. Beardmore, A. Rau, D. B. Fox, D. C.-J. Bock, D. G. York, D. N. Burrows, D. Pooley, E. Berger, E. Nakar, E. O. Ofek, E. Waxman, G. Byrngelson, H. A. Krimm, J. C. Barentine, J. D. Simon, J. Parrent, J. Racusin, J. R. Cummings, K. L. Page, M. De Pasquale, M. F. Bietenholz, M. J. Page, M. Kasliwal, N. Gehrels, N. Rea, P. A. Milne, P. Brown, P. Chandra, P. Meszaros, P. Schady, P. T. O'Brien, R. A. Overzier, S. B. Cenko, S. D. Barthelmy, S. Immler, S. R. Kulkarni, T. J. Maccarone, X.-Y. Wang","submitted_at":"2008-02-13T13:10:28Z","abstract_excerpt":"Massive stars end their short lives in spectacular explosions, supernovae, that synthesize new elements and drive galaxy evolution. Throughout history supernovae were discovered chiefly through their delayed optical light, preventing observations in the first moments (hours to days) following the explosion. As a result, the progenitors of some supernovae and the events leading up to their violent demise remain intensely debated. Here we report the serendipitous discovery of a supernova at the time of explosion, marked by an extremely luminous X-ray outburst. We attribute the outburst to the br"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0802.1712","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/0802.1712/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":"2026-07-04T17:28:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tAmrXTLqfT2GCXnXqiQUMH3QOV4yqHtjTdSO7Pl9NPRWeM8RdBpS5IaEgcJgAqfdf2aHJz8gNgQvUQWsS7ZFCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T09:51:56.173743Z"},"content_sha256":"3f85b6d56a08fb81dd05501da691549f38d941795076a8c231fba2e93402b3ef","schema_version":"1.0","event_id":"sha256:3f85b6d56a08fb81dd05501da691549f38d941795076a8c231fba2e93402b3ef"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ARFQEZBP2EKNIOZGSOXLV3DVPE/bundle.json","state_url":"https://pith.science/pith/ARFQEZBP2EKNIOZGSOXLV3DVPE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ARFQEZBP2EKNIOZGSOXLV3DVPE/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":"2026-07-07T09:51:56Z","links":{"resolver":"https://pith.science/pith/ARFQEZBP2EKNIOZGSOXLV3DVPE","bundle":"https://pith.science/pith/ARFQEZBP2EKNIOZGSOXLV3DVPE/bundle.json","state":"https://pith.science/pith/ARFQEZBP2EKNIOZGSOXLV3DVPE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ARFQEZBP2EKNIOZGSOXLV3DVPE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:ARFQEZBP2EKNIOZGSOXLV3DVPE","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":"021dbbb24d23c272b3cad689aa001bd31e6b00d5f14fdb10eff06849fc1df07f","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2008-02-13T13:10:28Z","title_canon_sha256":"77f21e475e748e84df1451cd6f7f3ed96d73bea88eda0564b49a2157d209842b"},"schema_version":"1.0","source":{"id":"0802.1712","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0802.1712","created_at":"2026-07-04T17:28:25Z"},{"alias_kind":"arxiv_version","alias_value":"0802.1712v2","created_at":"2026-07-04T17:28:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0802.1712","created_at":"2026-07-04T17:28:25Z"},{"alias_kind":"pith_short_12","alias_value":"ARFQEZBP2EKN","created_at":"2026-07-04T17:28:25Z"},{"alias_kind":"pith_short_16","alias_value":"ARFQEZBP2EKNIOZG","created_at":"2026-07-04T17:28:25Z"},{"alias_kind":"pith_short_8","alias_value":"ARFQEZBP","created_at":"2026-07-04T17:28:25Z"}],"graph_snapshots":[{"event_id":"sha256:3f85b6d56a08fb81dd05501da691549f38d941795076a8c231fba2e93402b3ef","target":"graph","created_at":"2026-07-04T17:28:25Z","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/0802.1712/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Massive stars end their short lives in spectacular explosions, supernovae, that synthesize new elements and drive galaxy evolution. Throughout history supernovae were discovered chiefly through their delayed optical light, preventing observations in the first moments (hours to days) following the explosion. As a result, the progenitors of some supernovae and the events leading up to their violent demise remain intensely debated. Here we report the serendipitous discovery of a supernova at the time of explosion, marked by an extremely luminous X-ray outburst. We attribute the outburst to the br","authors_text":"A. Burrows, A. Cucchiara, A. Gal-Yam, A. K. H. Kong, A. M. Soderberg, A. P. Beardmore, A. Rau, D. B. Fox, D. C.-J. Bock, D. G. York, D. N. Burrows, D. Pooley, E. Berger, E. Nakar, E. O. Ofek, E. Waxman, G. Byrngelson, H. A. Krimm, J. C. Barentine, J. D. Simon, J. Parrent, J. Racusin, J. R. Cummings, K. L. Page, M. De Pasquale, M. F. Bietenholz, M. J. Page, M. Kasliwal, N. Gehrels, N. Rea, P. A. Milne, P. Brown, P. Chandra, P. Meszaros, P. Schady, P. T. O'Brien, R. A. Overzier, S. B. Cenko, S. D. Barthelmy, S. Immler, S. R. Kulkarni, T. J. Maccarone, X.-Y. Wang","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2008-02-13T13:10:28Z","title":"An extremely luminous X-ray outburst at the birth of a supernova"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0802.1712","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:cfd0e9023b78292dc10d311e79f60c8c28b29c0af5bd4cd0f081602e45acf9f0","target":"record","created_at":"2026-07-04T17:28:25Z","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":"021dbbb24d23c272b3cad689aa001bd31e6b00d5f14fdb10eff06849fc1df07f","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2008-02-13T13:10:28Z","title_canon_sha256":"77f21e475e748e84df1451cd6f7f3ed96d73bea88eda0564b49a2157d209842b"},"schema_version":"1.0","source":{"id":"0802.1712","kind":"arxiv","version":2}},"canonical_sha256":"044b02642fd114d43b2693aebaec7579023b8314c3aa95ebcbaa97d0548e7936","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"044b02642fd114d43b2693aebaec7579023b8314c3aa95ebcbaa97d0548e7936","first_computed_at":"2026-07-04T17:28:25.366210Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:28:25.366210Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Qu/fWgFiIxANaNvfln53Q0u3dhRI5EmA/CMXY5s677x7WWIiu8AzLJsTaSguFp9gQWQZsX1Zh86lwExt0ijsDg==","signature_status":"signed_v1","signed_at":"2026-07-04T17:28:25.366641Z","signed_message":"canonical_sha256_bytes"},"source_id":"0802.1712","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cfd0e9023b78292dc10d311e79f60c8c28b29c0af5bd4cd0f081602e45acf9f0","sha256:3f85b6d56a08fb81dd05501da691549f38d941795076a8c231fba2e93402b3ef"],"state_sha256":"1d83cc4434eec4b9a028f40d90c7ee304efabd7e21fb19515afc5ade58cc5503"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CkokbxLfd9vGM8TqSzp8QcBkwyMqH7QE0CfB4lCQvwpPyJifaHDqB8t7AU+EmL6zNuWX7Y4T/pzXnaOncDg9Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T09:51:56.175909Z","bundle_sha256":"de9708f92e6eaee110b866a2501df5e45ee0678f5ff06b43cdd9509fdcb8b8f2"}}