{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:MUVWIGZINJQBENZBUU5KBUNGV6","short_pith_number":"pith:MUVWIGZI","schema_version":"1.0","canonical_sha256":"652b641b286a60123721a53aa0d1a6afba6e18c4a9c90c819a8187bdf31ce5d9","source":{"kind":"arxiv","id":"1001.2018","version":1},"attestation_state":"computed","paper":{"title":"When galaxies collide: understanding the broad absorption-line radio galaxy 4C +72.26","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A.M. Swinbank, C. Simpson, D.J.B. Smith, M.J. Jarvis, S. Rawlings","submitted_at":"2010-01-12T21:11:16Z","abstract_excerpt":"We present a range of new observations of the \"broad absorption line radio galaxy\" 4C +72.26 (z = 3.5), including sensitive rest-frame ultraviolet integral field spectroscopy using the Gemini/GMOS-N instrument and Subaru/CISCO K-band imaging and spectroscopy. We show that 4C +72.26 is a system of two vigorously star-forming galaxies superimposed along the line of sight separated by ~1300 +/- 200 km/s in velocity, with each demonstrating spectroscopically resolved absorption lines. The most active star-forming galaxy also hosts the accreting supermassive black hole which powers the extended rad"},"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":"1001.2018","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-01-12T21:11:16Z","cross_cats_sorted":[],"title_canon_sha256":"4f2d892dc30fe148356956054d6078101c5859ae75822870b9f874f5be217c15","abstract_canon_sha256":"d8d9180451e55080f9094b254e8602372eb7d2fb735fee1891571cab6d4ae982"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:09:55.281653Z","signature_b64":"FEoHeG60MyUZDvLxY/jVuRftK4AO0ffwe1tbFZ3dfCwuOU0Cy+V5IW7RGNGr9wD6JJvI+cGKaScX/GPy1/k8BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"652b641b286a60123721a53aa0d1a6afba6e18c4a9c90c819a8187bdf31ce5d9","last_reissued_at":"2026-05-18T02:09:55.280869Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:09:55.280869Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"When galaxies collide: understanding the broad absorption-line radio galaxy 4C +72.26","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A.M. Swinbank, C. Simpson, D.J.B. Smith, M.J. Jarvis, S. Rawlings","submitted_at":"2010-01-12T21:11:16Z","abstract_excerpt":"We present a range of new observations of the \"broad absorption line radio galaxy\" 4C +72.26 (z = 3.5), including sensitive rest-frame ultraviolet integral field spectroscopy using the Gemini/GMOS-N instrument and Subaru/CISCO K-band imaging and spectroscopy. We show that 4C +72.26 is a system of two vigorously star-forming galaxies superimposed along the line of sight separated by ~1300 +/- 200 km/s in velocity, with each demonstrating spectroscopically resolved absorption lines. The most active star-forming galaxy also hosts the accreting supermassive black hole which powers the extended rad"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1001.2018","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":"1001.2018","created_at":"2026-05-18T02:09:55.280987+00:00"},{"alias_kind":"arxiv_version","alias_value":"1001.2018v1","created_at":"2026-05-18T02:09:55.280987+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1001.2018","created_at":"2026-05-18T02:09:55.280987+00:00"},{"alias_kind":"pith_short_12","alias_value":"MUVWIGZINJQB","created_at":"2026-05-18T12:26:10.704358+00:00"},{"alias_kind":"pith_short_16","alias_value":"MUVWIGZINJQBENZB","created_at":"2026-05-18T12:26:10.704358+00:00"},{"alias_kind":"pith_short_8","alias_value":"MUVWIGZI","created_at":"2026-05-18T12:26:10.704358+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/MUVWIGZINJQBENZBUU5KBUNGV6","json":"https://pith.science/pith/MUVWIGZINJQBENZBUU5KBUNGV6.json","graph_json":"https://pith.science/api/pith-number/MUVWIGZINJQBENZBUU5KBUNGV6/graph.json","events_json":"https://pith.science/api/pith-number/MUVWIGZINJQBENZBUU5KBUNGV6/events.json","paper":"https://pith.science/paper/MUVWIGZI"},"agent_actions":{"view_html":"https://pith.science/pith/MUVWIGZINJQBENZBUU5KBUNGV6","download_json":"https://pith.science/pith/MUVWIGZINJQBENZBUU5KBUNGV6.json","view_paper":"https://pith.science/paper/MUVWIGZI","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1001.2018&json=true","fetch_graph":"https://pith.science/api/pith-number/MUVWIGZINJQBENZBUU5KBUNGV6/graph.json","fetch_events":"https://pith.science/api/pith-number/MUVWIGZINJQBENZBUU5KBUNGV6/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MUVWIGZINJQBENZBUU5KBUNGV6/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MUVWIGZINJQBENZBUU5KBUNGV6/action/storage_attestation","attest_author":"https://pith.science/pith/MUVWIGZINJQBENZBUU5KBUNGV6/action/author_attestation","sign_citation":"https://pith.science/pith/MUVWIGZINJQBENZBUU5KBUNGV6/action/citation_signature","submit_replication":"https://pith.science/pith/MUVWIGZINJQBENZBUU5KBUNGV6/action/replication_record"}},"created_at":"2026-05-18T02:09:55.280987+00:00","updated_at":"2026-05-18T02:09:55.280987+00:00"}