{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:TD462L4XT4HWYMXBYJDA6RCNOK","short_pith_number":"pith:TD462L4X","schema_version":"1.0","canonical_sha256":"98f9ed2f979f0f6c32e1c2460f444d72959172721a44da26209de2d2e760a7dc","source":{"kind":"arxiv","id":"2003.08691","version":1},"attestation_state":"computed","paper":{"title":"HST/COS Observations of Quasar Outflows in the 500 -- 1050 \\AA\\ Rest Frame: IV. The Largest Broad Absorption Line Acceleration","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Gerard A. Kriss, Nahum Arav, Rachel Plesha, Timothy Miller, Xinfeng Xu","submitted_at":"2020-03-19T11:29:11Z","abstract_excerpt":"We present an analysis of the broad absorption line (BAL) velocity shift that appeared in one of the outflow systems in quasar SDSS J1042+1646. Observations were taken by the Hubble Space Telescope/Cosmic Origin Spectrograph in 2011 and 2017 in the 500 -- 1050 $\\r{A}$ rest frame. The outflow's velocity centroid shifted by $\\sim$ --1550 km s$^{-1}$ from --19,500 km s$^{-1}$ to --21,050 km s$^{-1}$ over a rest-frame time of 3.2 yr. The velocity shift signatures are most apparent in the absorption features from the Ne VIII $\\lambda\\lambda$ 770.41, 780.32 doublet and are supported by the absorptio"},"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":"2003.08691","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-03-19T11:29:11Z","cross_cats_sorted":[],"title_canon_sha256":"06afe252ebe5a6543930abff55cd3db3859f909a27ffa3e3a436593d67ad21b8","abstract_canon_sha256":"72678ba8a2e0864fe2073b14b4e431e13bc90b15d0ee3108f0613f41fd8d0835"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:50:17.392397Z","signature_b64":"Bylq+1ByMOjbwDYv+zx1JU9PL2VpDqUsDBfQi06RRixH7+t29h3XZxZFOVSXQ0CQp7BCcFII++PqpD0g6wJhCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"98f9ed2f979f0f6c32e1c2460f444d72959172721a44da26209de2d2e760a7dc","last_reissued_at":"2026-07-05T00:50:17.391915Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:50:17.391915Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"HST/COS Observations of Quasar Outflows in the 500 -- 1050 \\AA\\ Rest Frame: IV. The Largest Broad Absorption Line Acceleration","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Gerard A. Kriss, Nahum Arav, Rachel Plesha, Timothy Miller, Xinfeng Xu","submitted_at":"2020-03-19T11:29:11Z","abstract_excerpt":"We present an analysis of the broad absorption line (BAL) velocity shift that appeared in one of the outflow systems in quasar SDSS J1042+1646. Observations were taken by the Hubble Space Telescope/Cosmic Origin Spectrograph in 2011 and 2017 in the 500 -- 1050 $\\r{A}$ rest frame. The outflow's velocity centroid shifted by $\\sim$ --1550 km s$^{-1}$ from --19,500 km s$^{-1}$ to --21,050 km s$^{-1}$ over a rest-frame time of 3.2 yr. The velocity shift signatures are most apparent in the absorption features from the Ne VIII $\\lambda\\lambda$ 770.41, 780.32 doublet and are supported by the absorptio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2003.08691","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2003.08691/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":"2003.08691","created_at":"2026-07-05T00:50:17.391973+00:00"},{"alias_kind":"arxiv_version","alias_value":"2003.08691v1","created_at":"2026-07-05T00:50:17.391973+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2003.08691","created_at":"2026-07-05T00:50:17.391973+00:00"},{"alias_kind":"pith_short_12","alias_value":"TD462L4XT4HW","created_at":"2026-07-05T00:50:17.391973+00:00"},{"alias_kind":"pith_short_16","alias_value":"TD462L4XT4HWYMXB","created_at":"2026-07-05T00:50:17.391973+00:00"},{"alias_kind":"pith_short_8","alias_value":"TD462L4X","created_at":"2026-07-05T00:50:17.391973+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/TD462L4XT4HWYMXBYJDA6RCNOK","json":"https://pith.science/pith/TD462L4XT4HWYMXBYJDA6RCNOK.json","graph_json":"https://pith.science/api/pith-number/TD462L4XT4HWYMXBYJDA6RCNOK/graph.json","events_json":"https://pith.science/api/pith-number/TD462L4XT4HWYMXBYJDA6RCNOK/events.json","paper":"https://pith.science/paper/TD462L4X"},"agent_actions":{"view_html":"https://pith.science/pith/TD462L4XT4HWYMXBYJDA6RCNOK","download_json":"https://pith.science/pith/TD462L4XT4HWYMXBYJDA6RCNOK.json","view_paper":"https://pith.science/paper/TD462L4X","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2003.08691&json=true","fetch_graph":"https://pith.science/api/pith-number/TD462L4XT4HWYMXBYJDA6RCNOK/graph.json","fetch_events":"https://pith.science/api/pith-number/TD462L4XT4HWYMXBYJDA6RCNOK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/TD462L4XT4HWYMXBYJDA6RCNOK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/TD462L4XT4HWYMXBYJDA6RCNOK/action/storage_attestation","attest_author":"https://pith.science/pith/TD462L4XT4HWYMXBYJDA6RCNOK/action/author_attestation","sign_citation":"https://pith.science/pith/TD462L4XT4HWYMXBYJDA6RCNOK/action/citation_signature","submit_replication":"https://pith.science/pith/TD462L4XT4HWYMXBYJDA6RCNOK/action/replication_record"}},"created_at":"2026-07-05T00:50:17.391973+00:00","updated_at":"2026-07-05T00:50:17.391973+00:00"}