{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:RL5BNQ7SJF7GD2DMNK5GMEJROJ","short_pith_number":"pith:RL5BNQ7S","schema_version":"1.0","canonical_sha256":"8afa16c3f2497e61e86c6aba661131726d17e5faa15f8cb8f29d92bb4617b5eb","source":{"kind":"arxiv","id":"1510.00029","version":2},"attestation_state":"computed","paper":{"title":"Constraining the lifetime and opening angle of quasars using fluorescent Lyman $\\alpha$ emission: the case of Q0420-388","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Elena Borisova, Gabor Worseck, J. Xavier Prochaska, Olivera Rakic, Sebastiano Cantalupo, Simon J. Lilly","submitted_at":"2015-09-30T20:40:38Z","abstract_excerpt":"A toy model is developed to understand how the spatial distribution of fluorescent emitters in the vicinity of bright quasars could be affected by the geometry of the quasar bi-conical radiation field and by its lifetime. The model is then applied to the distribution of high equivalent width Lyman $\\alpha$ emitters (with rest-frame equivalent widths above 100 A, threshold used in e.g. Trainor & Steidel, 2013) identified in a deep narrow-band 36x36 arcmin$^2$ image centered on the luminous quasar Q0420-388. These emitters are found to the edge of the field and show some evidence of an azimuthal"},"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":"1510.00029","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-09-30T20:40:38Z","cross_cats_sorted":[],"title_canon_sha256":"5b31ebf577c9e6ee35aed87fbe0075953ece2958aa6861544256ec3b3c1a91c2","abstract_canon_sha256":"412102db89bee92c827713b1ed0a0cba16965ae678e86181059140d8aafce9d8"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:01:29.038934Z","signature_b64":"4KTXVxd7+pWOrOMNmU3Y7NJaEZeT6Iu1NwjEgYrc5pfen9DCATBW8T2GXdxwBds4K+ICkcU2JQYL16WToxZYBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8afa16c3f2497e61e86c6aba661131726d17e5faa15f8cb8f29d92bb4617b5eb","last_reissued_at":"2026-05-18T01:01:29.038434Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:01:29.038434Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Constraining the lifetime and opening angle of quasars using fluorescent Lyman $\\alpha$ emission: the case of Q0420-388","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Elena Borisova, Gabor Worseck, J. Xavier Prochaska, Olivera Rakic, Sebastiano Cantalupo, Simon J. Lilly","submitted_at":"2015-09-30T20:40:38Z","abstract_excerpt":"A toy model is developed to understand how the spatial distribution of fluorescent emitters in the vicinity of bright quasars could be affected by the geometry of the quasar bi-conical radiation field and by its lifetime. The model is then applied to the distribution of high equivalent width Lyman $\\alpha$ emitters (with rest-frame equivalent widths above 100 A, threshold used in e.g. Trainor & Steidel, 2013) identified in a deep narrow-band 36x36 arcmin$^2$ image centered on the luminous quasar Q0420-388. These emitters are found to the edge of the field and show some evidence of an azimuthal"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.00029","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":"1510.00029","created_at":"2026-05-18T01:01:29.038502+00:00"},{"alias_kind":"arxiv_version","alias_value":"1510.00029v2","created_at":"2026-05-18T01:01:29.038502+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.00029","created_at":"2026-05-18T01:01:29.038502+00:00"},{"alias_kind":"pith_short_12","alias_value":"RL5BNQ7SJF7G","created_at":"2026-05-18T12:29:39.896362+00:00"},{"alias_kind":"pith_short_16","alias_value":"RL5BNQ7SJF7GD2DM","created_at":"2026-05-18T12:29:39.896362+00:00"},{"alias_kind":"pith_short_8","alias_value":"RL5BNQ7S","created_at":"2026-05-18T12:29:39.896362+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/RL5BNQ7SJF7GD2DMNK5GMEJROJ","json":"https://pith.science/pith/RL5BNQ7SJF7GD2DMNK5GMEJROJ.json","graph_json":"https://pith.science/api/pith-number/RL5BNQ7SJF7GD2DMNK5GMEJROJ/graph.json","events_json":"https://pith.science/api/pith-number/RL5BNQ7SJF7GD2DMNK5GMEJROJ/events.json","paper":"https://pith.science/paper/RL5BNQ7S"},"agent_actions":{"view_html":"https://pith.science/pith/RL5BNQ7SJF7GD2DMNK5GMEJROJ","download_json":"https://pith.science/pith/RL5BNQ7SJF7GD2DMNK5GMEJROJ.json","view_paper":"https://pith.science/paper/RL5BNQ7S","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1510.00029&json=true","fetch_graph":"https://pith.science/api/pith-number/RL5BNQ7SJF7GD2DMNK5GMEJROJ/graph.json","fetch_events":"https://pith.science/api/pith-number/RL5BNQ7SJF7GD2DMNK5GMEJROJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/RL5BNQ7SJF7GD2DMNK5GMEJROJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/RL5BNQ7SJF7GD2DMNK5GMEJROJ/action/storage_attestation","attest_author":"https://pith.science/pith/RL5BNQ7SJF7GD2DMNK5GMEJROJ/action/author_attestation","sign_citation":"https://pith.science/pith/RL5BNQ7SJF7GD2DMNK5GMEJROJ/action/citation_signature","submit_replication":"https://pith.science/pith/RL5BNQ7SJF7GD2DMNK5GMEJROJ/action/replication_record"}},"created_at":"2026-05-18T01:01:29.038502+00:00","updated_at":"2026-05-18T01:01:29.038502+00:00"}