{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:732WGXFVW2KLSV7WKFRR67NXCR","short_pith_number":"pith:732WGXFV","canonical_record":{"source":{"id":"0805.2394","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-05-15T20:00:39Z","cross_cats_sorted":[],"title_canon_sha256":"e9dfe09e785d54b0db045e9e4c0f1b1076c788a2a1eedac02ee568772a6b7521","abstract_canon_sha256":"62e4d595b6e4f4835dbf3bbec5b513c5773ba32d230938f99cd286b03368405f"},"schema_version":"1.0"},"canonical_sha256":"fef5635cb5b694b957f651631f7db7146cbb1425df0dc5e9ceac073f154e6bfc","source":{"kind":"arxiv","id":"0805.2394","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0805.2394","created_at":"2026-07-04T17:10:53Z"},{"alias_kind":"arxiv_version","alias_value":"0805.2394v3","created_at":"2026-07-04T17:10:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0805.2394","created_at":"2026-07-04T17:10:53Z"},{"alias_kind":"pith_short_12","alias_value":"732WGXFVW2KL","created_at":"2026-07-04T17:10:53Z"},{"alias_kind":"pith_short_16","alias_value":"732WGXFVW2KLSV7W","created_at":"2026-07-04T17:10:53Z"},{"alias_kind":"pith_short_8","alias_value":"732WGXFV","created_at":"2026-07-04T17:10:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:732WGXFVW2KLSV7WKFRR67NXCR","target":"record","payload":{"canonical_record":{"source":{"id":"0805.2394","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-05-15T20:00:39Z","cross_cats_sorted":[],"title_canon_sha256":"e9dfe09e785d54b0db045e9e4c0f1b1076c788a2a1eedac02ee568772a6b7521","abstract_canon_sha256":"62e4d595b6e4f4835dbf3bbec5b513c5773ba32d230938f99cd286b03368405f"},"schema_version":"1.0"},"canonical_sha256":"fef5635cb5b694b957f651631f7db7146cbb1425df0dc5e9ceac073f154e6bfc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:10:53.351981Z","signature_b64":"zWtRHeHdzCV/M66MiInubj9/z0oQRJ+qmGnd8C7scscxkUPH2Wcut3W2giqpHe8HVtXVNnfSJPkvwaJswKlTAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fef5635cb5b694b957f651631f7db7146cbb1425df0dc5e9ceac073f154e6bfc","last_reissued_at":"2026-07-04T17:10:53.351610Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:10:53.351610Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0805.2394","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":"2026-07-04T17:10:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+kH5/wrp+n7vX+hhnchtWv4zUYMbDLjjMESSiJ5nNomF46W0Yl4yMnMa1RtcNwPqfaYpVDxBIzUV0nE4bIuHBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T15:35:01.612167Z"},"content_sha256":"1d31af09026e3b902ec28c76a427c2add355393faddc3adb5ac3416aed8930f1","schema_version":"1.0","event_id":"sha256:1d31af09026e3b902ec28c76a427c2add355393faddc3adb5ac3416aed8930f1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:732WGXFVW2KLSV7WKFRR67NXCR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"GRB 071003: Broadband Follow-up Observations of a Very Bright Gamma-Ray Burst in a Galactic Halo","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. V. Filippenko, C. Akerlof, C. D. Fassnacht, D. A. Perley, D. Fox, D. Frail, D. Le Mignant, E. M. Johansson, F. Yuan, G. H. Smith, H. Swan, H.-W. Chen, I. Smith, J. S. Bloom, J. X. Prochaska, L. K. Pollack, M. A. Skinner, M. A. van Dam, M. Modjaz, M. W. Auger, N. R. Butler, P. Chandra, R. Chornock, R. Russell, S. B. Cenko, S. Yost, T. McKay, W. Li, W. Rujopakarn","submitted_at":"2008-05-15T20:00:39Z","abstract_excerpt":"The optical afterglow of long-duration GRB 071003 is among the brightest yet to be detected from any GRB, with R ~ 12 mag in KAIT observations starting 42 s after the GRB trigger, including filtered detections during prompt emission. However, our high S/N ratio afterglow spectrum displays only extremely weak absorption lines at what we argue is the host redshift of z = 1.60435 - in contrast to the three other, much stronger Mg II absorption systems observed at lower redshifts. Together with Keck adaptive optics observations which fail to reveal a host galaxy coincident with the burst position,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0805.2394","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/0805.2394/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":"2026-07-04T17:10:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OIssxXK4hdl7ApmTOx03qa+DFchXmbz/UUJKYyT+PwOpW1Cx8bprUKClBA+IIYTPtgVrmGr5mgGM/RYRcOG/Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T15:35:01.613226Z"},"content_sha256":"945972514d43c8e2c15f0b16af205a2d46a5a501aeea6bd15794a83b213f4926","schema_version":"1.0","event_id":"sha256:945972514d43c8e2c15f0b16af205a2d46a5a501aeea6bd15794a83b213f4926"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/732WGXFVW2KLSV7WKFRR67NXCR/bundle.json","state_url":"https://pith.science/pith/732WGXFVW2KLSV7WKFRR67NXCR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/732WGXFVW2KLSV7WKFRR67NXCR/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":"2026-08-03T15:35:01Z","links":{"resolver":"https://pith.science/pith/732WGXFVW2KLSV7WKFRR67NXCR","bundle":"https://pith.science/pith/732WGXFVW2KLSV7WKFRR67NXCR/bundle.json","state":"https://pith.science/pith/732WGXFVW2KLSV7WKFRR67NXCR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/732WGXFVW2KLSV7WKFRR67NXCR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:732WGXFVW2KLSV7WKFRR67NXCR","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":"62e4d595b6e4f4835dbf3bbec5b513c5773ba32d230938f99cd286b03368405f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-05-15T20:00:39Z","title_canon_sha256":"e9dfe09e785d54b0db045e9e4c0f1b1076c788a2a1eedac02ee568772a6b7521"},"schema_version":"1.0","source":{"id":"0805.2394","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0805.2394","created_at":"2026-07-04T17:10:53Z"},{"alias_kind":"arxiv_version","alias_value":"0805.2394v3","created_at":"2026-07-04T17:10:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0805.2394","created_at":"2026-07-04T17:10:53Z"},{"alias_kind":"pith_short_12","alias_value":"732WGXFVW2KL","created_at":"2026-07-04T17:10:53Z"},{"alias_kind":"pith_short_16","alias_value":"732WGXFVW2KLSV7W","created_at":"2026-07-04T17:10:53Z"},{"alias_kind":"pith_short_8","alias_value":"732WGXFV","created_at":"2026-07-04T17:10:53Z"}],"graph_snapshots":[{"event_id":"sha256:945972514d43c8e2c15f0b16af205a2d46a5a501aeea6bd15794a83b213f4926","target":"graph","created_at":"2026-07-04T17:10:53Z","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/0805.2394/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The optical afterglow of long-duration GRB 071003 is among the brightest yet to be detected from any GRB, with R ~ 12 mag in KAIT observations starting 42 s after the GRB trigger, including filtered detections during prompt emission. However, our high S/N ratio afterglow spectrum displays only extremely weak absorption lines at what we argue is the host redshift of z = 1.60435 - in contrast to the three other, much stronger Mg II absorption systems observed at lower redshifts. Together with Keck adaptive optics observations which fail to reveal a host galaxy coincident with the burst position,","authors_text":"A. V. Filippenko, C. Akerlof, C. D. Fassnacht, D. A. Perley, D. Fox, D. Frail, D. Le Mignant, E. M. Johansson, F. Yuan, G. H. Smith, H. Swan, H.-W. Chen, I. Smith, J. S. Bloom, J. X. Prochaska, L. K. Pollack, M. A. Skinner, M. A. van Dam, M. Modjaz, M. W. Auger, N. R. Butler, P. Chandra, R. Chornock, R. Russell, S. B. Cenko, S. Yost, T. McKay, W. Li, W. Rujopakarn","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-05-15T20:00:39Z","title":"GRB 071003: Broadband Follow-up Observations of a Very Bright Gamma-Ray Burst in a Galactic Halo"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0805.2394","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":"sha256:1d31af09026e3b902ec28c76a427c2add355393faddc3adb5ac3416aed8930f1","target":"record","created_at":"2026-07-04T17:10:53Z","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":"62e4d595b6e4f4835dbf3bbec5b513c5773ba32d230938f99cd286b03368405f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-05-15T20:00:39Z","title_canon_sha256":"e9dfe09e785d54b0db045e9e4c0f1b1076c788a2a1eedac02ee568772a6b7521"},"schema_version":"1.0","source":{"id":"0805.2394","kind":"arxiv","version":3}},"canonical_sha256":"fef5635cb5b694b957f651631f7db7146cbb1425df0dc5e9ceac073f154e6bfc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fef5635cb5b694b957f651631f7db7146cbb1425df0dc5e9ceac073f154e6bfc","first_computed_at":"2026-07-04T17:10:53.351610Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:10:53.351610Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zWtRHeHdzCV/M66MiInubj9/z0oQRJ+qmGnd8C7scscxkUPH2Wcut3W2giqpHe8HVtXVNnfSJPkvwaJswKlTAQ==","signature_status":"signed_v1","signed_at":"2026-07-04T17:10:53.351981Z","signed_message":"canonical_sha256_bytes"},"source_id":"0805.2394","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1d31af09026e3b902ec28c76a427c2add355393faddc3adb5ac3416aed8930f1","sha256:945972514d43c8e2c15f0b16af205a2d46a5a501aeea6bd15794a83b213f4926"],"state_sha256":"ec4362dbf2e356bebec17760e40803c5eef69bda0f312dfad69b3cbdbb987cc5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"f1mWYjT79A/kbhu31PB0zZR/C9G35Z3rSxKRqNdc19/Qn/TOa15CnnxZcJHn5nWJEZJNQ+7R9hXFJ2n/cjeUBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T15:35:01.620970Z","bundle_sha256":"570be412dff9937db2d9699e521f93a4591643f1b70a159889a07a6bc768e43d"}}