{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1999:6F6V6GYMYKD2JGDF5ZNMYGENYC","short_pith_number":"pith:6F6V6GYM","canonical_record":{"source":{"id":"astro-ph/9907235","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1999-07-16T21:51:15Z","cross_cats_sorted":[],"title_canon_sha256":"636c11641c40e4a29112cd08c4970cde5faec29002461437581afb5a462eb289","abstract_canon_sha256":"eec3574633ce0a711777a0ee87dc7e66e009f6518eb3f20daa76a12de166eb2c"},"schema_version":"1.0"},"canonical_sha256":"f17d5f1b0cc287a49865ee5acc188dc0858657ee12051d4f683f6ea1711d61b4","source":{"kind":"arxiv","id":"astro-ph/9907235","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9907235","created_at":"2026-07-04T16:11:26Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9907235v3","created_at":"2026-07-04T16:11:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9907235","created_at":"2026-07-04T16:11:26Z"},{"alias_kind":"pith_short_12","alias_value":"6F6V6GYMYKD2","created_at":"2026-07-04T16:11:26Z"},{"alias_kind":"pith_short_16","alias_value":"6F6V6GYMYKD2JGDF","created_at":"2026-07-04T16:11:26Z"},{"alias_kind":"pith_short_8","alias_value":"6F6V6GYM","created_at":"2026-07-04T16:11:26Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1999:6F6V6GYMYKD2JGDF5ZNMYGENYC","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/9907235","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1999-07-16T21:51:15Z","cross_cats_sorted":[],"title_canon_sha256":"636c11641c40e4a29112cd08c4970cde5faec29002461437581afb5a462eb289","abstract_canon_sha256":"eec3574633ce0a711777a0ee87dc7e66e009f6518eb3f20daa76a12de166eb2c"},"schema_version":"1.0"},"canonical_sha256":"f17d5f1b0cc287a49865ee5acc188dc0858657ee12051d4f683f6ea1711d61b4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:11:26.484759Z","signature_b64":"9jUFzF9uGDckrshiWuWccfAsMOHnpAO+kGLDUmWCAH5b7wed5Qu3rkoCg91nxy1UhEWb9jm9qxXvv630WI1xDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f17d5f1b0cc287a49865ee5acc188dc0858657ee12051d4f683f6ea1711d61b4","last_reissued_at":"2026-07-04T16:11:26.484310Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:11:26.484310Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/9907235","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T16:11:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"akBrFx7vV8FsAlL/r+BbyvQEBcvkcqCstGD+2Eazmd1RoBi7wQUTFr46cSlq3VRN22Zh4YeI6tscYs0H0Ay5Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T17:42:04.040951Z"},"content_sha256":"9837167b348a966db6592378c670d81b79cc005e290eb53e0132e5e62ba9134a","schema_version":"1.0","event_id":"sha256:9837167b348a966db6592378c670d81b79cc005e290eb53e0132e5e62ba9134a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1999:6F6V6GYMYKD2JGDF5ZNMYGENYC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Discovery of the Optical Transient of the Gamma Ray Burst 990308","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Bongiovanni, A. Dubuc, A. Levine, A. Oemler, A. Rengstorf, B. Adams, Bradley E. Schaefer, B. Roscherr, C. Abad, C. Bailyn, C. Baltay, C. Briceno, C. Kouveliotou, C. Meegan, C. Sabbey et al, D. Band, D. Frail, D. Hartmann, D. Herrera, D. Smith, F. Della Prugna, F. Fuenmayor, F. Harris, G. Bruzual, G. Magris, G. Paredes, G. Williams, H. Park, I. Ferrin, J. A. Snyder, J. Bloom, J. Hernandez, J. Mateu, J. Musser, K. Honeycutt, K. Hurley, L. Romero, M. Deng, M. Gebhard, M. Rengel, N. Ellmann, O. Naranjo, P. Andrews, P. Butterworth, P. Coppi, P. Rosenzweig, R. Bionta, R. Kippen, R. Pacheco, R. Porrata, S. Barthelmy, S. Djorgovski, S. Kulkarni, s. Muffson, T. Cline, W. Emmet","submitted_at":"1999-07-16T21:51:15Z","abstract_excerpt":"The optical transient of the faint Gamma Ray Burst 990308 was detected by the QUEST camera on the Venezuelan 1-m Schmidt telescope starting 3.28 hours after the burst. Our photometry gives $V = 18.32 \\pm 0.07$, $R = 18.14 \\pm 0.06$, $B = 18.65 \\pm 0.23$, and $R = 18.22 \\pm 0.05$ for times ranging from 3.28 to 3.47 hours after the burst. The colors correspond to a spectral slope of close to $f_{\\nu} \\propto \\nu^{1/3}$. Within the standard synchrotron fireball model, this requires that the external medium be less dense than $10^{4} cm^{-3}$, the electrons contain $> 20%$ of the shock energy, and"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9907235","kind":"arxiv","version":3},"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/9907235/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":"2026-07-04T16:11:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"F7Sid2NbZiB6LkY7aKx4XDYHAJ6E2Uzq9OuUu1Mz0ljx/+erJCNczwIXKOYh56M4LvuTVl6+HCdZ1sTIXAoJDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T17:42:04.041576Z"},"content_sha256":"dfa7ff65c7f88b00ad0346ece4fba69daa82fad08368db6482c3a1643d972b0e","schema_version":"1.0","event_id":"sha256:dfa7ff65c7f88b00ad0346ece4fba69daa82fad08368db6482c3a1643d972b0e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6F6V6GYMYKD2JGDF5ZNMYGENYC/bundle.json","state_url":"https://pith.science/pith/6F6V6GYMYKD2JGDF5ZNMYGENYC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6F6V6GYMYKD2JGDF5ZNMYGENYC/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":"2026-08-05T17:42:04Z","links":{"resolver":"https://pith.science/pith/6F6V6GYMYKD2JGDF5ZNMYGENYC","bundle":"https://pith.science/pith/6F6V6GYMYKD2JGDF5ZNMYGENYC/bundle.json","state":"https://pith.science/pith/6F6V6GYMYKD2JGDF5ZNMYGENYC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6F6V6GYMYKD2JGDF5ZNMYGENYC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1999:6F6V6GYMYKD2JGDF5ZNMYGENYC","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":"eec3574633ce0a711777a0ee87dc7e66e009f6518eb3f20daa76a12de166eb2c","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1999-07-16T21:51:15Z","title_canon_sha256":"636c11641c40e4a29112cd08c4970cde5faec29002461437581afb5a462eb289"},"schema_version":"1.0","source":{"id":"astro-ph/9907235","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9907235","created_at":"2026-07-04T16:11:26Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9907235v3","created_at":"2026-07-04T16:11:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9907235","created_at":"2026-07-04T16:11:26Z"},{"alias_kind":"pith_short_12","alias_value":"6F6V6GYMYKD2","created_at":"2026-07-04T16:11:26Z"},{"alias_kind":"pith_short_16","alias_value":"6F6V6GYMYKD2JGDF","created_at":"2026-07-04T16:11:26Z"},{"alias_kind":"pith_short_8","alias_value":"6F6V6GYM","created_at":"2026-07-04T16:11:26Z"}],"graph_snapshots":[{"event_id":"sha256:dfa7ff65c7f88b00ad0346ece4fba69daa82fad08368db6482c3a1643d972b0e","target":"graph","created_at":"2026-07-04T16:11:26Z","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/9907235/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The optical transient of the faint Gamma Ray Burst 990308 was detected by the QUEST camera on the Venezuelan 1-m Schmidt telescope starting 3.28 hours after the burst. Our photometry gives $V = 18.32 \\pm 0.07$, $R = 18.14 \\pm 0.06$, $B = 18.65 \\pm 0.23$, and $R = 18.22 \\pm 0.05$ for times ranging from 3.28 to 3.47 hours after the burst. The colors correspond to a spectral slope of close to $f_{\\nu} \\propto \\nu^{1/3}$. Within the standard synchrotron fireball model, this requires that the external medium be less dense than $10^{4} cm^{-3}$, the electrons contain $> 20%$ of the shock energy, and","authors_text":"A. Bongiovanni, A. Dubuc, A. Levine, A. Oemler, A. Rengstorf, B. Adams, Bradley E. Schaefer, B. Roscherr, C. Abad, C. Bailyn, C. Baltay, C. Briceno, C. Kouveliotou, C. Meegan, C. Sabbey et al, D. Band, D. Frail, D. Hartmann, D. Herrera, D. Smith, F. Della Prugna, F. Fuenmayor, F. Harris, G. Bruzual, G. Magris, G. Paredes, G. Williams, H. Park, I. Ferrin, J. A. Snyder, J. Bloom, J. Hernandez, J. Mateu, J. Musser, K. Honeycutt, K. Hurley, L. Romero, M. Deng, M. Gebhard, M. Rengel, N. Ellmann, O. Naranjo, P. Andrews, P. Butterworth, P. Coppi, P. Rosenzweig, R. Bionta, R. Kippen, R. Pacheco, R. Porrata, S. Barthelmy, S. Djorgovski, S. Kulkarni, s. Muffson, T. Cline, W. Emmet","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"1999-07-16T21:51:15Z","title":"Discovery of the Optical Transient of the Gamma Ray Burst 990308"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9907235","kind":"arxiv","version":3},"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":"sha256:9837167b348a966db6592378c670d81b79cc005e290eb53e0132e5e62ba9134a","target":"record","created_at":"2026-07-04T16:11:26Z","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":"eec3574633ce0a711777a0ee87dc7e66e009f6518eb3f20daa76a12de166eb2c","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1999-07-16T21:51:15Z","title_canon_sha256":"636c11641c40e4a29112cd08c4970cde5faec29002461437581afb5a462eb289"},"schema_version":"1.0","source":{"id":"astro-ph/9907235","kind":"arxiv","version":3}},"canonical_sha256":"f17d5f1b0cc287a49865ee5acc188dc0858657ee12051d4f683f6ea1711d61b4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f17d5f1b0cc287a49865ee5acc188dc0858657ee12051d4f683f6ea1711d61b4","first_computed_at":"2026-07-04T16:11:26.484310Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:11:26.484310Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9jUFzF9uGDckrshiWuWccfAsMOHnpAO+kGLDUmWCAH5b7wed5Qu3rkoCg91nxy1UhEWb9jm9qxXvv630WI1xDw==","signature_status":"signed_v1","signed_at":"2026-07-04T16:11:26.484759Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/9907235","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9837167b348a966db6592378c670d81b79cc005e290eb53e0132e5e62ba9134a","sha256:dfa7ff65c7f88b00ad0346ece4fba69daa82fad08368db6482c3a1643d972b0e"],"state_sha256":"fb807d17ce67b2e4de5db78cd83d91e878ca8dca142a696ea60e07742c286295"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9VZaTcUAx1CpHSFStSJz7kO7RpRYCzxpF3OHS7PvkGSZE39x5UABlDEsaxqbE7Lm34h1NzpJByM+5uuokQeZCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T17:42:04.047169Z","bundle_sha256":"b59018302728dfcff3913ee85d7b809925ebf63c2e0633963b383c0430f30afb"}}