{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2008:UHTZBMPV7JCPMQH3JDOKTT4LIX","short_pith_number":"pith:UHTZBMPV","schema_version":"1.0","canonical_sha256":"a1e790b1f5fa44f640fb48dca9cf8b45c5bdff7df90eab4ed968eb11db4bf739","source":{"kind":"arxiv","id":"0811.1382","version":3},"attestation_state":"computed","paper":{"title":"Testing the Possible Intrinsic Origin of the Excess of Very Strong MgII Absorbers Along GRB Lines-of-Sight","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Cucchiara, A. Narayanan, D. B. Fox, D. Einsig, J. C. Charlton, T. Jones","submitted_at":"2008-11-09T23:53:47Z","abstract_excerpt":"The startling discovery of Prochter et al. (2006) that the frequency of very strong (W_r(2796)>1 A) MgII absorbers along gamma-ray burst (GRB) lines of sight ([dN/dz]_{GRB} = 0.90) is more than three times the frequency along quasar lines of sight ([dN/dz]_{QSO} = 0.24), over similar redshift ranges, has yet to be understood. We reconsider the possibility that the excess of very strong MgII absorbers toward GRBs is intrinsic either to the GRBs themselves or to their immediate environment, and associated with bulk outflows with velocities as large as v_{max} ~ 0.3c. In order to examine this hyp"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"0811.1382","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-11-09T23:53:47Z","cross_cats_sorted":[],"title_canon_sha256":"38c76e0fb343417d8488e03f88e14668d845c79f51c407f8631e34512bd3e788","abstract_canon_sha256":"dc7c1c9f95b4019b41a641c123b361f9cff3567b7656c8360afb19ba33915c56"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:28:29.639893Z","signature_b64":"yt0QWjNO7jnpmfPohDXPaFDTdoxyLIMmLeMd1f9ophXTtgU8ObMIYE3aN0xwzTasptXM8ppKFKxxe+l0wyrrCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a1e790b1f5fa44f640fb48dca9cf8b45c5bdff7df90eab4ed968eb11db4bf739","last_reissued_at":"2026-07-04T17:28:29.639376Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:28:29.639376Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Testing the Possible Intrinsic Origin of the Excess of Very Strong MgII Absorbers Along GRB Lines-of-Sight","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Cucchiara, A. Narayanan, D. B. Fox, D. Einsig, J. C. Charlton, T. Jones","submitted_at":"2008-11-09T23:53:47Z","abstract_excerpt":"The startling discovery of Prochter et al. (2006) that the frequency of very strong (W_r(2796)>1 A) MgII absorbers along gamma-ray burst (GRB) lines of sight ([dN/dz]_{GRB} = 0.90) is more than three times the frequency along quasar lines of sight ([dN/dz]_{QSO} = 0.24), over similar redshift ranges, has yet to be understood. We reconsider the possibility that the excess of very strong MgII absorbers toward GRBs is intrinsic either to the GRBs themselves or to their immediate environment, and associated with bulk outflows with velocities as large as v_{max} ~ 0.3c. In order to examine this hyp"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0811.1382","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/0811.1382/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"0811.1382","created_at":"2026-07-04T17:28:29.639444+00:00"},{"alias_kind":"arxiv_version","alias_value":"0811.1382v3","created_at":"2026-07-04T17:28:29.639444+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0811.1382","created_at":"2026-07-04T17:28:29.639444+00:00"},{"alias_kind":"pith_short_12","alias_value":"UHTZBMPV7JCP","created_at":"2026-07-04T17:28:29.639444+00:00"},{"alias_kind":"pith_short_16","alias_value":"UHTZBMPV7JCPMQH3","created_at":"2026-07-04T17:28:29.639444+00:00"},{"alias_kind":"pith_short_8","alias_value":"UHTZBMPV","created_at":"2026-07-04T17:28:29.639444+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/UHTZBMPV7JCPMQH3JDOKTT4LIX","json":"https://pith.science/pith/UHTZBMPV7JCPMQH3JDOKTT4LIX.json","graph_json":"https://pith.science/api/pith-number/UHTZBMPV7JCPMQH3JDOKTT4LIX/graph.json","events_json":"https://pith.science/api/pith-number/UHTZBMPV7JCPMQH3JDOKTT4LIX/events.json","paper":"https://pith.science/paper/UHTZBMPV"},"agent_actions":{"view_html":"https://pith.science/pith/UHTZBMPV7JCPMQH3JDOKTT4LIX","download_json":"https://pith.science/pith/UHTZBMPV7JCPMQH3JDOKTT4LIX.json","view_paper":"https://pith.science/paper/UHTZBMPV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0811.1382&json=true","fetch_graph":"https://pith.science/api/pith-number/UHTZBMPV7JCPMQH3JDOKTT4LIX/graph.json","fetch_events":"https://pith.science/api/pith-number/UHTZBMPV7JCPMQH3JDOKTT4LIX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UHTZBMPV7JCPMQH3JDOKTT4LIX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UHTZBMPV7JCPMQH3JDOKTT4LIX/action/storage_attestation","attest_author":"https://pith.science/pith/UHTZBMPV7JCPMQH3JDOKTT4LIX/action/author_attestation","sign_citation":"https://pith.science/pith/UHTZBMPV7JCPMQH3JDOKTT4LIX/action/citation_signature","submit_replication":"https://pith.science/pith/UHTZBMPV7JCPMQH3JDOKTT4LIX/action/replication_record"}},"created_at":"2026-07-04T17:28:29.639444+00:00","updated_at":"2026-07-04T17:28:29.639444+00:00"}