{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:TFXUTXRQ73CSH3MGE3YHSTLRZX","short_pith_number":"pith:TFXUTXRQ","schema_version":"1.0","canonical_sha256":"996f49de30fec523ed8626f0794d71cdfdbf4a5337133b15106f552ec8cba0ac","source":{"kind":"arxiv","id":"1305.2926","version":1},"attestation_state":"computed","paper":{"title":"Resolving the optical emission lines of Lya blob 'B1' at z=2.38: another hidden quasar","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A. W. Zirm, M. Dijkstra, M. D. Lehnert, M. Villar-Mart\\'in, N. A. Hatch, N. P. H. Nesvadba, R. A. Overzier, R. J. Wilman","submitted_at":"2013-05-13T20:00:07Z","abstract_excerpt":"We have used the SINFONI near-infrared integral field unit on the VLT to resolve the optical emission line structure of one of the brightest (L~1e44 erg/s) and nearest (z=2.38) of all Lya blobs (LABs). The target, known in the literature as object 'B1' (Francis et al. 1996), lies at a redshift where the main optical emission lines are accessible in the observed near-infrared. We detect luminous [OIII]4959,5007A and Ha emission with a spatial extent of at least 32x40 kpc (4\"x5\"). The dominant optical emission line component shows relatively broad lines (600-800 km/s, FWHM) and line ratios consi"},"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":"1305.2926","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-05-13T20:00:07Z","cross_cats_sorted":[],"title_canon_sha256":"718de79e734899bc32ee8d46e4e562b71cb4f9c100d3dbc2131173a13c85de54","abstract_canon_sha256":"f874b9c962122676b77ccf9cdb0485756bfe08e55b3f7e2056d4d2202a3e118d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:50:02.674336Z","signature_b64":"nr759vknCktgH4+KLgrKXH9wQM8CPZS/G2rmebX08t2a15HAft/YC6W3gpB7hEk2QIfGHjbjdxEmJEZlQxrnCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"996f49de30fec523ed8626f0794d71cdfdbf4a5337133b15106f552ec8cba0ac","last_reissued_at":"2026-05-18T01:50:02.673648Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:50:02.673648Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Resolving the optical emission lines of Lya blob 'B1' at z=2.38: another hidden quasar","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A. W. Zirm, M. Dijkstra, M. D. Lehnert, M. Villar-Mart\\'in, N. A. Hatch, N. P. H. Nesvadba, R. A. Overzier, R. J. Wilman","submitted_at":"2013-05-13T20:00:07Z","abstract_excerpt":"We have used the SINFONI near-infrared integral field unit on the VLT to resolve the optical emission line structure of one of the brightest (L~1e44 erg/s) and nearest (z=2.38) of all Lya blobs (LABs). The target, known in the literature as object 'B1' (Francis et al. 1996), lies at a redshift where the main optical emission lines are accessible in the observed near-infrared. We detect luminous [OIII]4959,5007A and Ha emission with a spatial extent of at least 32x40 kpc (4\"x5\"). The dominant optical emission line component shows relatively broad lines (600-800 km/s, FWHM) and line ratios consi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.2926","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":"1305.2926","created_at":"2026-05-18T01:50:02.673782+00:00"},{"alias_kind":"arxiv_version","alias_value":"1305.2926v1","created_at":"2026-05-18T01:50:02.673782+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.2926","created_at":"2026-05-18T01:50:02.673782+00:00"},{"alias_kind":"pith_short_12","alias_value":"TFXUTXRQ73CS","created_at":"2026-05-18T12:28:02.375192+00:00"},{"alias_kind":"pith_short_16","alias_value":"TFXUTXRQ73CSH3MG","created_at":"2026-05-18T12:28:02.375192+00:00"},{"alias_kind":"pith_short_8","alias_value":"TFXUTXRQ","created_at":"2026-05-18T12:28:02.375192+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/TFXUTXRQ73CSH3MGE3YHSTLRZX","json":"https://pith.science/pith/TFXUTXRQ73CSH3MGE3YHSTLRZX.json","graph_json":"https://pith.science/api/pith-number/TFXUTXRQ73CSH3MGE3YHSTLRZX/graph.json","events_json":"https://pith.science/api/pith-number/TFXUTXRQ73CSH3MGE3YHSTLRZX/events.json","paper":"https://pith.science/paper/TFXUTXRQ"},"agent_actions":{"view_html":"https://pith.science/pith/TFXUTXRQ73CSH3MGE3YHSTLRZX","download_json":"https://pith.science/pith/TFXUTXRQ73CSH3MGE3YHSTLRZX.json","view_paper":"https://pith.science/paper/TFXUTXRQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1305.2926&json=true","fetch_graph":"https://pith.science/api/pith-number/TFXUTXRQ73CSH3MGE3YHSTLRZX/graph.json","fetch_events":"https://pith.science/api/pith-number/TFXUTXRQ73CSH3MGE3YHSTLRZX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/TFXUTXRQ73CSH3MGE3YHSTLRZX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/TFXUTXRQ73CSH3MGE3YHSTLRZX/action/storage_attestation","attest_author":"https://pith.science/pith/TFXUTXRQ73CSH3MGE3YHSTLRZX/action/author_attestation","sign_citation":"https://pith.science/pith/TFXUTXRQ73CSH3MGE3YHSTLRZX/action/citation_signature","submit_replication":"https://pith.science/pith/TFXUTXRQ73CSH3MGE3YHSTLRZX/action/replication_record"}},"created_at":"2026-05-18T01:50:02.673782+00:00","updated_at":"2026-05-18T01:50:02.673782+00:00"}