{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:RGXWF2UEBI27DBAW2OOMANJLQN","short_pith_number":"pith:RGXWF2UE","schema_version":"1.0","canonical_sha256":"89af62ea840a35f18416d39cc0352b8374fb36651c765f99c62f1fb230b8dbb6","source":{"kind":"arxiv","id":"1610.02711","version":2},"attestation_state":"computed","paper":{"title":"The Mean Metal-line Absorption Spectrum of DLAs in BOSS","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Andreu Arinyo-i-Prats, Donald G. York, Donald P. Schneider, Ignasi P\\'erez-R\\`afols, Jian Ge, Jordi Miralda-Escud\\'e, Llu\\'is Mas-Ribas, Pasquier Noterdaeme, Patrick Petitjean","submitted_at":"2016-10-09T20:00:45Z","abstract_excerpt":"We study the mean absorption spectrum of the Damped Lyman alpha population at $z\\sim 2.6$ by stacking normalized, rest-frame shifted spectra of $\\sim 27\\,000$ DLAs from the DR12 of BOSS/SDSS-III. We measure the equivalent widths of 50 individual metal absorption lines in 5 intervals of DLA hydrogen column density, 5 intervals of DLA redshift, and overall mean equivalent widths for an additional 13 absorption features from groups of strongly blended lines. The mean equivalent width of low-ionization lines increases with $N_{\\rm HI}$, whereas for high-ionization lines the increase is much weaker"},"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":"1610.02711","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-10-09T20:00:45Z","cross_cats_sorted":[],"title_canon_sha256":"eac5aeba7a015e14ff9e0ec68f45b135c05c0a142e8e31d338de85b9191d5f1f","abstract_canon_sha256":"7766fc8f39c79c939afd21e5517bd287ce0e963b2bf89a429c565294f9333453"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:36:33.087969Z","signature_b64":"6dBGrMkMBvE4vd5M8gQ/SGqvUes/T9gwAZOIKPqO6Xe/0mQepmIHp/iIMyYurTEaPzyw778tPCwBwYE/g2dnAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"89af62ea840a35f18416d39cc0352b8374fb36651c765f99c62f1fb230b8dbb6","last_reissued_at":"2026-05-18T00:36:33.087498Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:36:33.087498Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Mean Metal-line Absorption Spectrum of DLAs in BOSS","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Andreu Arinyo-i-Prats, Donald G. York, Donald P. Schneider, Ignasi P\\'erez-R\\`afols, Jian Ge, Jordi Miralda-Escud\\'e, Llu\\'is Mas-Ribas, Pasquier Noterdaeme, Patrick Petitjean","submitted_at":"2016-10-09T20:00:45Z","abstract_excerpt":"We study the mean absorption spectrum of the Damped Lyman alpha population at $z\\sim 2.6$ by stacking normalized, rest-frame shifted spectra of $\\sim 27\\,000$ DLAs from the DR12 of BOSS/SDSS-III. We measure the equivalent widths of 50 individual metal absorption lines in 5 intervals of DLA hydrogen column density, 5 intervals of DLA redshift, and overall mean equivalent widths for an additional 13 absorption features from groups of strongly blended lines. The mean equivalent width of low-ionization lines increases with $N_{\\rm HI}$, whereas for high-ionization lines the increase is much weaker"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.02711","kind":"arxiv","version":2},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1610.02711","created_at":"2026-05-18T00:36:33.087570+00:00"},{"alias_kind":"arxiv_version","alias_value":"1610.02711v2","created_at":"2026-05-18T00:36:33.087570+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.02711","created_at":"2026-05-18T00:36:33.087570+00:00"},{"alias_kind":"pith_short_12","alias_value":"RGXWF2UEBI27","created_at":"2026-05-18T12:30:41.710351+00:00"},{"alias_kind":"pith_short_16","alias_value":"RGXWF2UEBI27DBAW","created_at":"2026-05-18T12:30:41.710351+00:00"},{"alias_kind":"pith_short_8","alias_value":"RGXWF2UE","created_at":"2026-05-18T12:30:41.710351+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2605.23554","citing_title":"Inferring the role of binary neutron star mergers in r-process nucleosynthesis with multi-messenger observations using Cosmic Explorer and Einstein Telescope","ref_index":186,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/RGXWF2UEBI27DBAW2OOMANJLQN","json":"https://pith.science/pith/RGXWF2UEBI27DBAW2OOMANJLQN.json","graph_json":"https://pith.science/api/pith-number/RGXWF2UEBI27DBAW2OOMANJLQN/graph.json","events_json":"https://pith.science/api/pith-number/RGXWF2UEBI27DBAW2OOMANJLQN/events.json","paper":"https://pith.science/paper/RGXWF2UE"},"agent_actions":{"view_html":"https://pith.science/pith/RGXWF2UEBI27DBAW2OOMANJLQN","download_json":"https://pith.science/pith/RGXWF2UEBI27DBAW2OOMANJLQN.json","view_paper":"https://pith.science/paper/RGXWF2UE","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1610.02711&json=true","fetch_graph":"https://pith.science/api/pith-number/RGXWF2UEBI27DBAW2OOMANJLQN/graph.json","fetch_events":"https://pith.science/api/pith-number/RGXWF2UEBI27DBAW2OOMANJLQN/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/RGXWF2UEBI27DBAW2OOMANJLQN/action/timestamp_anchor","attest_storage":"https://pith.science/pith/RGXWF2UEBI27DBAW2OOMANJLQN/action/storage_attestation","attest_author":"https://pith.science/pith/RGXWF2UEBI27DBAW2OOMANJLQN/action/author_attestation","sign_citation":"https://pith.science/pith/RGXWF2UEBI27DBAW2OOMANJLQN/action/citation_signature","submit_replication":"https://pith.science/pith/RGXWF2UEBI27DBAW2OOMANJLQN/action/replication_record"}},"created_at":"2026-05-18T00:36:33.087570+00:00","updated_at":"2026-05-18T00:36:33.087570+00:00"}