{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:B5AGBZHV64PCYNWUADN7NKQJ3X","short_pith_number":"pith:B5AGBZHV","canonical_record":{"source":{"id":"astro-ph/0302007","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-02-01T18:14:47Z","cross_cats_sorted":[],"title_canon_sha256":"e712da48d971d78c86714ce2c5e7a9a6d311696694bcb8b9b9bcdbf1dc4490a9","abstract_canon_sha256":"53b5a3c2a9227588ae28a1cd95e72b1084a5455367ffe4114012bddcf793f919"},"schema_version":"1.0"},"canonical_sha256":"0f4060e4f5f71e2c36d400dbf6aa09ddcd17ce415469315a4d422b4107cd6ea2","source":{"kind":"arxiv","id":"astro-ph/0302007","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0302007","created_at":"2026-05-18T04:21:41Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0302007v1","created_at":"2026-05-18T04:21:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0302007","created_at":"2026-05-18T04:21:41Z"},{"alias_kind":"pith_short_12","alias_value":"B5AGBZHV64PC","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_16","alias_value":"B5AGBZHV64PCYNWU","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_8","alias_value":"B5AGBZHV","created_at":"2026-05-18T12:25:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:B5AGBZHV64PCYNWUADN7NKQJ3X","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0302007","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-02-01T18:14:47Z","cross_cats_sorted":[],"title_canon_sha256":"e712da48d971d78c86714ce2c5e7a9a6d311696694bcb8b9b9bcdbf1dc4490a9","abstract_canon_sha256":"53b5a3c2a9227588ae28a1cd95e72b1084a5455367ffe4114012bddcf793f919"},"schema_version":"1.0"},"canonical_sha256":"0f4060e4f5f71e2c36d400dbf6aa09ddcd17ce415469315a4d422b4107cd6ea2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:21:41.991798Z","signature_b64":"j00aVRdkRdPlJpTN+60c54CWxUvxxAabxgIB2R/vkvbSVykhGobCKHMETHHIiDKjZSJGx+xjhsoPNkxyGULhAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0f4060e4f5f71e2c36d400dbf6aa09ddcd17ce415469315a4d422b4107cd6ea2","last_reissued_at":"2026-05-18T04:21:41.991267Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:21:41.991267Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0302007","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":"2026-05-18T04:21:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FPOdXohYeqh+upr65HXg4cIcrTVDqd1Ow82nvhbruFumLSBcUtp1if4QebCyF2b4UyN1vDjM5hJ9QC4fEgTABg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T22:02:23.437950Z"},"content_sha256":"575f25cdbfb038ca938bcfd2ad952b1b8e4e67efbb651345d2b2addd3aa75ec7","schema_version":"1.0","event_id":"sha256:575f25cdbfb038ca938bcfd2ad952b1b8e4e67efbb651345d2b2addd3aa75ec7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:B5AGBZHV64PCYNWUADN7NKQJ3X","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The dark burst 010214 with BeppoSAX: possible variable absorption and jet X-ray emission","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"2), (2) IASF-CNR at Bologna, (3) Osservatorio Astronomico di Roma, (4) SRON, (5) IASF-CNR at Roma, (6) IASF-CNR at Palermo), C. Guidorzi (1), E. Costa (5), E. Montanari (1), E. Palazzi (2), F. Frontera (1, J. Heise (4), J.J.M. in 't Zand (4), L.A. Antonelli (3), L. Amati (2), L. Nicastro (6), L. Piro (5) ((1) Dipartimento di Fisica Universita' di Ferrara, M. Feroci (5), M. Orlandini (2), N. Masetti (2), R. Farinelli (1)","submitted_at":"2003-02-01T18:14:47Z","abstract_excerpt":"We report on the prompt and afterglow emission observations of the dark burst GRB010214 with BeppoSAX. The prompt emission shows possible evidence of variable absorption from N_H = 3.0^{+5.1}_{-2.0} x 10^23 cm-2 in the first 6 s of the event to a value consistent with the Galactic column density (N_H^(G) = 2.66 x 10^20 cm-2) in the GRB direction. An X-ray afterglow emission in the 2-10 keV energy band was detected with BeppoSAX, but an analogue search at lower wavelengths (optical, IR and radio) was unsuccessful. The X-ray afterglow spectrum is consistent with a power-law with Galactic absorpt"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0302007","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":""},"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":"2026-05-18T04:21:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kJSCgGsx5fP5wzlZSLomcdoIU3zdnvkT8o7XW9WjkO/0QRzlHEIkdRga5xcW/S9SYRpx/Qqugy/ffUXlUCO/Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T22:02:23.438333Z"},"content_sha256":"954d4159ade457a793ade638585459c5092fbd0b46944a992d73f20bc5860892","schema_version":"1.0","event_id":"sha256:954d4159ade457a793ade638585459c5092fbd0b46944a992d73f20bc5860892"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/B5AGBZHV64PCYNWUADN7NKQJ3X/bundle.json","state_url":"https://pith.science/pith/B5AGBZHV64PCYNWUADN7NKQJ3X/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/B5AGBZHV64PCYNWUADN7NKQJ3X/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":"2026-05-26T22:02:23Z","links":{"resolver":"https://pith.science/pith/B5AGBZHV64PCYNWUADN7NKQJ3X","bundle":"https://pith.science/pith/B5AGBZHV64PCYNWUADN7NKQJ3X/bundle.json","state":"https://pith.science/pith/B5AGBZHV64PCYNWUADN7NKQJ3X/state.json","well_known_bundle":"https://pith.science/.well-known/pith/B5AGBZHV64PCYNWUADN7NKQJ3X/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:B5AGBZHV64PCYNWUADN7NKQJ3X","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":"53b5a3c2a9227588ae28a1cd95e72b1084a5455367ffe4114012bddcf793f919","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-02-01T18:14:47Z","title_canon_sha256":"e712da48d971d78c86714ce2c5e7a9a6d311696694bcb8b9b9bcdbf1dc4490a9"},"schema_version":"1.0","source":{"id":"astro-ph/0302007","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0302007","created_at":"2026-05-18T04:21:41Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0302007v1","created_at":"2026-05-18T04:21:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0302007","created_at":"2026-05-18T04:21:41Z"},{"alias_kind":"pith_short_12","alias_value":"B5AGBZHV64PC","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_16","alias_value":"B5AGBZHV64PCYNWU","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_8","alias_value":"B5AGBZHV","created_at":"2026-05-18T12:25:51Z"}],"graph_snapshots":[{"event_id":"sha256:954d4159ade457a793ade638585459c5092fbd0b46944a992d73f20bc5860892","target":"graph","created_at":"2026-05-18T04:21:41Z","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"},"paper":{"abstract_excerpt":"We report on the prompt and afterglow emission observations of the dark burst GRB010214 with BeppoSAX. The prompt emission shows possible evidence of variable absorption from N_H = 3.0^{+5.1}_{-2.0} x 10^23 cm-2 in the first 6 s of the event to a value consistent with the Galactic column density (N_H^(G) = 2.66 x 10^20 cm-2) in the GRB direction. An X-ray afterglow emission in the 2-10 keV energy band was detected with BeppoSAX, but an analogue search at lower wavelengths (optical, IR and radio) was unsuccessful. The X-ray afterglow spectrum is consistent with a power-law with Galactic absorpt","authors_text":"2), (2) IASF-CNR at Bologna, (3) Osservatorio Astronomico di Roma, (4) SRON, (5) IASF-CNR at Roma, (6) IASF-CNR at Palermo), C. Guidorzi (1), E. Costa (5), E. Montanari (1), E. Palazzi (2), F. Frontera (1, J. Heise (4), J.J.M. in 't Zand (4), L.A. Antonelli (3), L. Amati (2), L. Nicastro (6), L. Piro (5) ((1) Dipartimento di Fisica Universita' di Ferrara, M. Feroci (5), M. Orlandini (2), N. Masetti (2), R. Farinelli (1)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2003-02-01T18:14:47Z","title":"The dark burst 010214 with BeppoSAX: possible variable absorption and jet X-ray emission"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0302007","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":"sha256:575f25cdbfb038ca938bcfd2ad952b1b8e4e67efbb651345d2b2addd3aa75ec7","target":"record","created_at":"2026-05-18T04:21:41Z","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":"53b5a3c2a9227588ae28a1cd95e72b1084a5455367ffe4114012bddcf793f919","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-02-01T18:14:47Z","title_canon_sha256":"e712da48d971d78c86714ce2c5e7a9a6d311696694bcb8b9b9bcdbf1dc4490a9"},"schema_version":"1.0","source":{"id":"astro-ph/0302007","kind":"arxiv","version":1}},"canonical_sha256":"0f4060e4f5f71e2c36d400dbf6aa09ddcd17ce415469315a4d422b4107cd6ea2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0f4060e4f5f71e2c36d400dbf6aa09ddcd17ce415469315a4d422b4107cd6ea2","first_computed_at":"2026-05-18T04:21:41.991267Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:21:41.991267Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"j00aVRdkRdPlJpTN+60c54CWxUvxxAabxgIB2R/vkvbSVykhGobCKHMETHHIiDKjZSJGx+xjhsoPNkxyGULhAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:21:41.991798Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0302007","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:575f25cdbfb038ca938bcfd2ad952b1b8e4e67efbb651345d2b2addd3aa75ec7","sha256:954d4159ade457a793ade638585459c5092fbd0b46944a992d73f20bc5860892"],"state_sha256":"aced38389c977caffb4b0b4bb503c7cc7ca428e49eaadeee2a33689218174eb9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DkXJ6o7Cz/EOECKLEs3zVR6m15G6BuwASM+cl6tToPflBWRlUepVx3MFsbeOMPHibkLEBqY9IhONHcI9AtdaDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T22:02:23.440635Z","bundle_sha256":"22b474f8ba219e82f36e52cc204343f694f9833dba7045e4715911e6aa16716e"}}