{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:LYC4LS6HPECBT3XTQOEGKSEQOM","short_pith_number":"pith:LYC4LS6H","schema_version":"1.0","canonical_sha256":"5e05c5cbc7790419eef3838865489073027e94541ad4955b384ed292bee7d59a","source":{"kind":"arxiv","id":"1402.4816","version":1},"attestation_state":"computed","paper":{"title":"IGM Emission Observations with the Cosmic Web Imager: I. The Circum-QSO Medium of QSO 1549+19, and Evidence for a Filamentary Gas Inflow","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Anna Moore, Charles C. Steidel, Daphne Chang, D. Christopher Martin, Matt Matuszewski, Patrick Morrissey, Shahin Rahman","submitted_at":"2014-02-19T21:00:24Z","abstract_excerpt":"The Palomar Cosmic Web Imager (PCWI), an integral field spectrograph designed to detect and map low surface brightness emission, has obtained imaging spectroscopic maps of Ly-alpha from the circum-QSO medium (CQM) of QSO HS1549+19 at redshift of 2.843. Extensive extended emission is detected from the CQM, consistent with fluorescent and pumped Ly-alpha produced by the ionizing and Ly-alpha continuum of the QSO. Many features present in PCWI spectral images match those detected in narrow-band images. Filamentary structures with narrow line profiles are detected in several cases as long as 250-4"},"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":"1402.4816","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-02-19T21:00:24Z","cross_cats_sorted":[],"title_canon_sha256":"5bd4eb81a0c535bef729b67ff71497239883ca8d0ec9a79ed964dd648a33ee34","abstract_canon_sha256":"18d814f7f7892aff6a270861ceb4009b1180195f245434ef81d399138bdb240b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:44:36.085469Z","signature_b64":"3QsKcI9xLRVL5AW6wppZVOicqWfowJe+OoYqzLK7YHwUNE2l+Rmci7iNrMWfPJveULTVdmdcarSkF/4QBsFlDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5e05c5cbc7790419eef3838865489073027e94541ad4955b384ed292bee7d59a","last_reissued_at":"2026-05-18T01:44:36.084842Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:44:36.084842Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"IGM Emission Observations with the Cosmic Web Imager: I. The Circum-QSO Medium of QSO 1549+19, and Evidence for a Filamentary Gas Inflow","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Anna Moore, Charles C. Steidel, Daphne Chang, D. Christopher Martin, Matt Matuszewski, Patrick Morrissey, Shahin Rahman","submitted_at":"2014-02-19T21:00:24Z","abstract_excerpt":"The Palomar Cosmic Web Imager (PCWI), an integral field spectrograph designed to detect and map low surface brightness emission, has obtained imaging spectroscopic maps of Ly-alpha from the circum-QSO medium (CQM) of QSO HS1549+19 at redshift of 2.843. Extensive extended emission is detected from the CQM, consistent with fluorescent and pumped Ly-alpha produced by the ionizing and Ly-alpha continuum of the QSO. Many features present in PCWI spectral images match those detected in narrow-band images. Filamentary structures with narrow line profiles are detected in several cases as long as 250-4"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.4816","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":""},"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":"1402.4816","created_at":"2026-05-18T01:44:36.084935+00:00"},{"alias_kind":"arxiv_version","alias_value":"1402.4816v1","created_at":"2026-05-18T01:44:36.084935+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.4816","created_at":"2026-05-18T01:44:36.084935+00:00"},{"alias_kind":"pith_short_12","alias_value":"LYC4LS6HPECB","created_at":"2026-05-18T12:28:38.356838+00:00"},{"alias_kind":"pith_short_16","alias_value":"LYC4LS6HPECBT3XT","created_at":"2026-05-18T12:28:38.356838+00:00"},{"alias_kind":"pith_short_8","alias_value":"LYC4LS6H","created_at":"2026-05-18T12:28:38.356838+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2606.06609","citing_title":"JWST absorption line spectroscopy with SPURS: ISM covering fractions and kinematics in individual galaxies at $z=5-9$","ref_index":93,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/LYC4LS6HPECBT3XTQOEGKSEQOM","json":"https://pith.science/pith/LYC4LS6HPECBT3XTQOEGKSEQOM.json","graph_json":"https://pith.science/api/pith-number/LYC4LS6HPECBT3XTQOEGKSEQOM/graph.json","events_json":"https://pith.science/api/pith-number/LYC4LS6HPECBT3XTQOEGKSEQOM/events.json","paper":"https://pith.science/paper/LYC4LS6H"},"agent_actions":{"view_html":"https://pith.science/pith/LYC4LS6HPECBT3XTQOEGKSEQOM","download_json":"https://pith.science/pith/LYC4LS6HPECBT3XTQOEGKSEQOM.json","view_paper":"https://pith.science/paper/LYC4LS6H","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1402.4816&json=true","fetch_graph":"https://pith.science/api/pith-number/LYC4LS6HPECBT3XTQOEGKSEQOM/graph.json","fetch_events":"https://pith.science/api/pith-number/LYC4LS6HPECBT3XTQOEGKSEQOM/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LYC4LS6HPECBT3XTQOEGKSEQOM/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LYC4LS6HPECBT3XTQOEGKSEQOM/action/storage_attestation","attest_author":"https://pith.science/pith/LYC4LS6HPECBT3XTQOEGKSEQOM/action/author_attestation","sign_citation":"https://pith.science/pith/LYC4LS6HPECBT3XTQOEGKSEQOM/action/citation_signature","submit_replication":"https://pith.science/pith/LYC4LS6HPECBT3XTQOEGKSEQOM/action/replication_record"}},"created_at":"2026-05-18T01:44:36.084935+00:00","updated_at":"2026-05-18T01:44:36.084935+00:00"}