{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2005:4VICABHLWJYXDZ47TSXMG3TI23","short_pith_number":"pith:4VICABHL","canonical_record":{"source":{"id":"astro-ph/0509891","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2005-09-29T20:35:05Z","cross_cats_sorted":[],"title_canon_sha256":"835ba87ce867ab1d7d19f1a62ffb3a44714e95b50e3227dab9ec38b3072bacad","abstract_canon_sha256":"3b89dc361bd1f243ee6fb23808e539301103a00a2d5057d1c22e299472f63cb9"},"schema_version":"1.0"},"canonical_sha256":"e5502004ebb27171e79f9caec36e68d6ea9cf7a6189ebfa26e7ba1dc63b58d87","source":{"kind":"arxiv","id":"astro-ph/0509891","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0509891","created_at":"2026-05-18T04:36:29Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0509891v3","created_at":"2026-05-18T04:36:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0509891","created_at":"2026-05-18T04:36:29Z"},{"alias_kind":"pith_short_12","alias_value":"4VICABHLWJYX","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"4VICABHLWJYXDZ47","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"4VICABHL","created_at":"2026-05-18T12:25:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2005:4VICABHLWJYXDZ47TSXMG3TI23","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0509891","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2005-09-29T20:35:05Z","cross_cats_sorted":[],"title_canon_sha256":"835ba87ce867ab1d7d19f1a62ffb3a44714e95b50e3227dab9ec38b3072bacad","abstract_canon_sha256":"3b89dc361bd1f243ee6fb23808e539301103a00a2d5057d1c22e299472f63cb9"},"schema_version":"1.0"},"canonical_sha256":"e5502004ebb27171e79f9caec36e68d6ea9cf7a6189ebfa26e7ba1dc63b58d87","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:36:29.686611Z","signature_b64":"54FMsqITCuSlwVs1KYM+otmm3rcmEv+qDyyj/T5OiVfAb3bqRhjm4RACnFyC0iNLeFKiCVLdt9g2P5Nplx5YBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e5502004ebb27171e79f9caec36e68d6ea9cf7a6189ebfa26e7ba1dc63b58d87","last_reissued_at":"2026-05-18T04:36:29.686065Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:36:29.686065Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0509891","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":"2026-05-18T04:36:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q+g/tcp5MeJTYsBChRSLHZRheabE3+W564uspgMm63ZWH721z9kErXUy45JIRfwElbGpreaCoaPOrILJ4YfaAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T23:29:34.890683Z"},"content_sha256":"5565e92fa20897cda41b52ed3107308fa84b6ffcfe95df63732e2813d45630aa","schema_version":"1.0","event_id":"sha256:5565e92fa20897cda41b52ed3107308fa84b6ffcfe95df63732e2813d45630aa"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2005:4VICABHLWJYXDZ47TSXMG3TI23","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Progenitors of Short-Hard Gamma-Ray Bursts from an Extended Sample of Events","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. M. Soderberg, Avishay Gal-Yam, B. E. Penprase, D. B. Fox, D. Frail, E. Berger, Ehud Nakar, Eran Ofek, F. Harrison, J. Mulchaey, M. Gladders, P. A. Price, S. B. Cenko, S. R. Kulkarni","submitted_at":"2005-09-29T20:35:05Z","abstract_excerpt":"The detection of the afterglow emission and host galaxies of short-hard gamma-ray bursts (SHBs) is one of the most exciting recent astronomical discoveries. Indications that SHB progenitors belong to old stellar populations, in contrast to those of the long-soft GRBs, provide a strong clue about their physical nature. Definitive conclusions however are limited by the small number of SHBs with known hosts. Here, we present our investigation of SHBs previously localized by the interplanetary network (IPN) using new and archival optical and X-ray observations. We show that we can likely identify "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0509891","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":""},"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":"2026-05-18T04:36:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MWcEjNegKOf0N96CWHp9DSNtqVJq1GD3mLyGGHoXPBQrTYgSWA3w6KcOkeTS3OOLxBum6m19vLti158JM8FwDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T23:29:34.891339Z"},"content_sha256":"146c25b84157611b393291a84f5b813880ce2f00c06a254191ff59020b19cffb","schema_version":"1.0","event_id":"sha256:146c25b84157611b393291a84f5b813880ce2f00c06a254191ff59020b19cffb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4VICABHLWJYXDZ47TSXMG3TI23/bundle.json","state_url":"https://pith.science/pith/4VICABHLWJYXDZ47TSXMG3TI23/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4VICABHLWJYXDZ47TSXMG3TI23/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":"2026-05-26T23:29:34Z","links":{"resolver":"https://pith.science/pith/4VICABHLWJYXDZ47TSXMG3TI23","bundle":"https://pith.science/pith/4VICABHLWJYXDZ47TSXMG3TI23/bundle.json","state":"https://pith.science/pith/4VICABHLWJYXDZ47TSXMG3TI23/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4VICABHLWJYXDZ47TSXMG3TI23/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:4VICABHLWJYXDZ47TSXMG3TI23","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":"3b89dc361bd1f243ee6fb23808e539301103a00a2d5057d1c22e299472f63cb9","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2005-09-29T20:35:05Z","title_canon_sha256":"835ba87ce867ab1d7d19f1a62ffb3a44714e95b50e3227dab9ec38b3072bacad"},"schema_version":"1.0","source":{"id":"astro-ph/0509891","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0509891","created_at":"2026-05-18T04:36:29Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0509891v3","created_at":"2026-05-18T04:36:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0509891","created_at":"2026-05-18T04:36:29Z"},{"alias_kind":"pith_short_12","alias_value":"4VICABHLWJYX","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"4VICABHLWJYXDZ47","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"4VICABHL","created_at":"2026-05-18T12:25:52Z"}],"graph_snapshots":[{"event_id":"sha256:146c25b84157611b393291a84f5b813880ce2f00c06a254191ff59020b19cffb","target":"graph","created_at":"2026-05-18T04:36:29Z","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"},"paper":{"abstract_excerpt":"The detection of the afterglow emission and host galaxies of short-hard gamma-ray bursts (SHBs) is one of the most exciting recent astronomical discoveries. Indications that SHB progenitors belong to old stellar populations, in contrast to those of the long-soft GRBs, provide a strong clue about their physical nature. Definitive conclusions however are limited by the small number of SHBs with known hosts. Here, we present our investigation of SHBs previously localized by the interplanetary network (IPN) using new and archival optical and X-ray observations. We show that we can likely identify ","authors_text":"A. M. Soderberg, Avishay Gal-Yam, B. E. Penprase, D. B. Fox, D. Frail, E. Berger, Ehud Nakar, Eran Ofek, F. Harrison, J. Mulchaey, M. Gladders, P. A. Price, S. B. Cenko, S. R. Kulkarni","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2005-09-29T20:35:05Z","title":"The Progenitors of Short-Hard Gamma-Ray Bursts from an Extended Sample of Events"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0509891","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":"sha256:5565e92fa20897cda41b52ed3107308fa84b6ffcfe95df63732e2813d45630aa","target":"record","created_at":"2026-05-18T04:36:29Z","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":"3b89dc361bd1f243ee6fb23808e539301103a00a2d5057d1c22e299472f63cb9","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2005-09-29T20:35:05Z","title_canon_sha256":"835ba87ce867ab1d7d19f1a62ffb3a44714e95b50e3227dab9ec38b3072bacad"},"schema_version":"1.0","source":{"id":"astro-ph/0509891","kind":"arxiv","version":3}},"canonical_sha256":"e5502004ebb27171e79f9caec36e68d6ea9cf7a6189ebfa26e7ba1dc63b58d87","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e5502004ebb27171e79f9caec36e68d6ea9cf7a6189ebfa26e7ba1dc63b58d87","first_computed_at":"2026-05-18T04:36:29.686065Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:36:29.686065Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"54FMsqITCuSlwVs1KYM+otmm3rcmEv+qDyyj/T5OiVfAb3bqRhjm4RACnFyC0iNLeFKiCVLdt9g2P5Nplx5YBg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:36:29.686611Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0509891","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5565e92fa20897cda41b52ed3107308fa84b6ffcfe95df63732e2813d45630aa","sha256:146c25b84157611b393291a84f5b813880ce2f00c06a254191ff59020b19cffb"],"state_sha256":"a496f7955ffcdd4d86b24a7294ec82394865dd51ee90b810337fec84f4b53d37"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"K+7c1uUJMS3w9wmeHcHhDvN8IlrOGJGTf9NCInI52HBoRfoyLs4c4ktCZeN52M5vnv5XTe2okZf2NF+M9IjIAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T23:29:34.895212Z","bundle_sha256":"fb5e1fc60525dfdb82e755597aae007870a02825bdef1ad94051b3a78170af73"}}