{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:OFN7EXY75CAOTDYZJL5EH632KQ","short_pith_number":"pith:OFN7EXY7","canonical_record":{"source":{"id":"0906.3191","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-06-17T14:26:42Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"b31c5e079d0b94f00f0ea340bbb5e532ff92f27df985c85dd3b26cdb667fb346","abstract_canon_sha256":"0b3ace250d00933b2eaef522deceb4ffb4cc3710128307ba5eb4e7593aa17b35"},"schema_version":"1.0"},"canonical_sha256":"715bf25f1fe880e98f194afa43fb7a543a089b9ece53063adfa6ccb505603ea5","source":{"kind":"arxiv","id":"0906.3191","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0906.3191","created_at":"2026-05-18T02:13:19Z"},{"alias_kind":"arxiv_version","alias_value":"0906.3191v1","created_at":"2026-05-18T02:13:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0906.3191","created_at":"2026-05-18T02:13:19Z"},{"alias_kind":"pith_short_12","alias_value":"OFN7EXY75CAO","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_16","alias_value":"OFN7EXY75CAOTDYZ","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_8","alias_value":"OFN7EXY7","created_at":"2026-05-18T12:26:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:OFN7EXY75CAOTDYZJL5EH632KQ","target":"record","payload":{"canonical_record":{"source":{"id":"0906.3191","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-06-17T14:26:42Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"b31c5e079d0b94f00f0ea340bbb5e532ff92f27df985c85dd3b26cdb667fb346","abstract_canon_sha256":"0b3ace250d00933b2eaef522deceb4ffb4cc3710128307ba5eb4e7593aa17b35"},"schema_version":"1.0"},"canonical_sha256":"715bf25f1fe880e98f194afa43fb7a543a089b9ece53063adfa6ccb505603ea5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:13:19.400292Z","signature_b64":"jA6TExMpBE4pAO9ZOE9li1vhpc7U4QD0AFXJxmVJnstxjTUia4ivaRvswpTCrBQDveofoE1ESXLljiLRpvYPAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"715bf25f1fe880e98f194afa43fb7a543a089b9ece53063adfa6ccb505603ea5","last_reissued_at":"2026-05-18T02:13:19.399765Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:13:19.399765Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0906.3191","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":"2026-05-18T02:13:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QRBw5fHY3sjWRL7f3Lwahnp6J6vWcF6SAoUbbvWUOtvz2q++rsOoXru/ud2B+rSOGQEQB/pVHjiHoJY94LVJBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T02:56:05.052137Z"},"content_sha256":"001aca6979683135f33796d857cdab31329ef4d5257c416f5fd2c34c7c9669ec","schema_version":"1.0","event_id":"sha256:001aca6979683135f33796d857cdab31329ef4d5257c416f5fd2c34c7c9669ec"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:OFN7EXY75CAOTDYZJL5EH632KQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Non variability of intervening absorbers observed in the UVES spectra of the \"naked-eye\" GRB080319","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.CO","authors_text":"E.J.A. Meurs, F. Fiore, G. Tagliaferri, L. Norci, P. D'Avanzo, P. Goldoni, S. Campana, S. Covino, V. D'Elia, V. D'Odorico","submitted_at":"2009-06-17T14:26:42Z","abstract_excerpt":"The aim of this paper is to investigate the properties of the intervening absorbers lying along the line of sight of Gamma-Ray Burst (GRB) 080319B through the analysis of its optical absorption features. To this purpose, we analyze a multi-epoch, high resolution spectroscopic observations (R=40000, corresponding to 7.5 km/s) of the optical afterglow of GRB080319B (z=0.937), taken with UVES at the VLT. Thanks to the rapid response mode (RRM), we observed the afterglow just 8m:30s after the GRB onset when the magnitude was R ~ 12. This allowed us to obtain the best signal-to-noise, high resoluti"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0906.3191","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":"2026-05-18T02:13:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8XDEr7EMeonY6H3bGFINTjCGnzbepQ2Grm8I3nICcLqnDs047vjWRqxV1I0/oNNWQXEBecS4ACm0RUlU3pStBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T02:56:05.052806Z"},"content_sha256":"238e7d7514c51cbc80507fbfc2bca84abbeb1ec7aa25657c9474cfc3ee7386f3","schema_version":"1.0","event_id":"sha256:238e7d7514c51cbc80507fbfc2bca84abbeb1ec7aa25657c9474cfc3ee7386f3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OFN7EXY75CAOTDYZJL5EH632KQ/bundle.json","state_url":"https://pith.science/pith/OFN7EXY75CAOTDYZJL5EH632KQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OFN7EXY75CAOTDYZJL5EH632KQ/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":"2026-05-26T02:56:05Z","links":{"resolver":"https://pith.science/pith/OFN7EXY75CAOTDYZJL5EH632KQ","bundle":"https://pith.science/pith/OFN7EXY75CAOTDYZJL5EH632KQ/bundle.json","state":"https://pith.science/pith/OFN7EXY75CAOTDYZJL5EH632KQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OFN7EXY75CAOTDYZJL5EH632KQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:OFN7EXY75CAOTDYZJL5EH632KQ","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":"0b3ace250d00933b2eaef522deceb4ffb4cc3710128307ba5eb4e7593aa17b35","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-06-17T14:26:42Z","title_canon_sha256":"b31c5e079d0b94f00f0ea340bbb5e532ff92f27df985c85dd3b26cdb667fb346"},"schema_version":"1.0","source":{"id":"0906.3191","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0906.3191","created_at":"2026-05-18T02:13:19Z"},{"alias_kind":"arxiv_version","alias_value":"0906.3191v1","created_at":"2026-05-18T02:13:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0906.3191","created_at":"2026-05-18T02:13:19Z"},{"alias_kind":"pith_short_12","alias_value":"OFN7EXY75CAO","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_16","alias_value":"OFN7EXY75CAOTDYZ","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_8","alias_value":"OFN7EXY7","created_at":"2026-05-18T12:26:01Z"}],"graph_snapshots":[{"event_id":"sha256:238e7d7514c51cbc80507fbfc2bca84abbeb1ec7aa25657c9474cfc3ee7386f3","target":"graph","created_at":"2026-05-18T02:13:19Z","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 aim of this paper is to investigate the properties of the intervening absorbers lying along the line of sight of Gamma-Ray Burst (GRB) 080319B through the analysis of its optical absorption features. To this purpose, we analyze a multi-epoch, high resolution spectroscopic observations (R=40000, corresponding to 7.5 km/s) of the optical afterglow of GRB080319B (z=0.937), taken with UVES at the VLT. Thanks to the rapid response mode (RRM), we observed the afterglow just 8m:30s after the GRB onset when the magnitude was R ~ 12. This allowed us to obtain the best signal-to-noise, high resoluti","authors_text":"E.J.A. Meurs, F. Fiore, G. Tagliaferri, L. Norci, P. D'Avanzo, P. Goldoni, S. Campana, S. Covino, V. D'Elia, V. D'Odorico","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-06-17T14:26:42Z","title":"Non variability of intervening absorbers observed in the UVES spectra of the \"naked-eye\" GRB080319"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0906.3191","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":"sha256:001aca6979683135f33796d857cdab31329ef4d5257c416f5fd2c34c7c9669ec","target":"record","created_at":"2026-05-18T02:13:19Z","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":"0b3ace250d00933b2eaef522deceb4ffb4cc3710128307ba5eb4e7593aa17b35","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-06-17T14:26:42Z","title_canon_sha256":"b31c5e079d0b94f00f0ea340bbb5e532ff92f27df985c85dd3b26cdb667fb346"},"schema_version":"1.0","source":{"id":"0906.3191","kind":"arxiv","version":1}},"canonical_sha256":"715bf25f1fe880e98f194afa43fb7a543a089b9ece53063adfa6ccb505603ea5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"715bf25f1fe880e98f194afa43fb7a543a089b9ece53063adfa6ccb505603ea5","first_computed_at":"2026-05-18T02:13:19.399765Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:13:19.399765Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jA6TExMpBE4pAO9ZOE9li1vhpc7U4QD0AFXJxmVJnstxjTUia4ivaRvswpTCrBQDveofoE1ESXLljiLRpvYPAg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:13:19.400292Z","signed_message":"canonical_sha256_bytes"},"source_id":"0906.3191","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:001aca6979683135f33796d857cdab31329ef4d5257c416f5fd2c34c7c9669ec","sha256:238e7d7514c51cbc80507fbfc2bca84abbeb1ec7aa25657c9474cfc3ee7386f3"],"state_sha256":"a8a558a06993a66d609ff1a496991fd53f5f6437bb7fc870ac171c16be3cfcec"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uCNFq5kKW9PwOWA9lFMKqGlaQ85R+JkKKqhtCYoWCVlH9XMkHt1tDtLA/U00clO+x5DiYm55NZHeU1lRSVKkBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T02:56:05.056406Z","bundle_sha256":"d1f04695948c7b0679ebf064ccbf5a37875ae1878525f05c9fc347ab481855e2"}}