{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:CWFCIBQJKXWIXCOGRWVKU7OPTE","short_pith_number":"pith:CWFCIBQJ","schema_version":"1.0","canonical_sha256":"158a24060955ec8b89c68daaaa7dcf992ca534921b55eea256539ede37389067","source":{"kind":"arxiv","id":"0910.5035","version":1},"attestation_state":"computed","paper":{"title":"VLBA Observations of HI in the Archetype Compact Symmetric Object B2352+495","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"2, (2) Department of Physics, 3), (3) Physics Department, 4), (4) Adjunct Astronomer, (5) ASTRON, Astronomy, C. Rodriguez (2), E. D. Araya (1, G. B. Taylor (2, NRAO, R. C. Vermeulen (5) ((1) National Radio Astronomy Observatory, S. Tremblay (2), the Netherlands), University of New Mexico, Western Illinois University, Y. Pihlstrom (2","submitted_at":"2009-10-27T03:16:58Z","abstract_excerpt":"B2352+495 is a prototypical example of a Compact Symmetric Object (CSO). It has a double radio lobe symmetrically located with respect to a central flat spectrum radio core (the location of the AGN) and has a physical extent of less than 200 pc. In this work we report VLBA observation of 21 cm HI absorption toward B2352+495 to investigate the properties of this remarkable radio source, in particular, to explore whether the radio emission can be confined by circumnuclear material (frustration scenario) or whether the source is likely to be young. We confirmed the two HI absorption features prev"},"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":"0910.5035","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-10-27T03:16:58Z","cross_cats_sorted":[],"title_canon_sha256":"8d4a9a8192bc1ea99800e2464f79a2e2790f24eb427c43c538634a478708f402","abstract_canon_sha256":"c3851ddd42f6fd658f9199b61b74cf687568a3e21eede866f06ac141a15f715e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:11:11.109194Z","signature_b64":"bmIu3VzMnulOADg6ni1jrQKHj+ZkNSfJiOH1uxmxpV/j6uKLI/GeyyJoO08PidcWHgcYNruYOtjxo1VGTqxcCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"158a24060955ec8b89c68daaaa7dcf992ca534921b55eea256539ede37389067","last_reissued_at":"2026-05-18T02:11:11.108379Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:11:11.108379Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"VLBA Observations of HI in the Archetype Compact Symmetric Object B2352+495","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"2, (2) Department of Physics, 3), (3) Physics Department, 4), (4) Adjunct Astronomer, (5) ASTRON, Astronomy, C. Rodriguez (2), E. D. Araya (1, G. B. Taylor (2, NRAO, R. C. Vermeulen (5) ((1) National Radio Astronomy Observatory, S. Tremblay (2), the Netherlands), University of New Mexico, Western Illinois University, Y. Pihlstrom (2","submitted_at":"2009-10-27T03:16:58Z","abstract_excerpt":"B2352+495 is a prototypical example of a Compact Symmetric Object (CSO). It has a double radio lobe symmetrically located with respect to a central flat spectrum radio core (the location of the AGN) and has a physical extent of less than 200 pc. In this work we report VLBA observation of 21 cm HI absorption toward B2352+495 to investigate the properties of this remarkable radio source, in particular, to explore whether the radio emission can be confined by circumnuclear material (frustration scenario) or whether the source is likely to be young. We confirmed the two HI absorption features prev"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.5035","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":"0910.5035","created_at":"2026-05-18T02:11:11.108525+00:00"},{"alias_kind":"arxiv_version","alias_value":"0910.5035v1","created_at":"2026-05-18T02:11:11.108525+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.5035","created_at":"2026-05-18T02:11:11.108525+00:00"},{"alias_kind":"pith_short_12","alias_value":"CWFCIBQJKXWI","created_at":"2026-05-18T12:25:59.703012+00:00"},{"alias_kind":"pith_short_16","alias_value":"CWFCIBQJKXWIXCOG","created_at":"2026-05-18T12:25:59.703012+00:00"},{"alias_kind":"pith_short_8","alias_value":"CWFCIBQJ","created_at":"2026-05-18T12:25:59.703012+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/CWFCIBQJKXWIXCOGRWVKU7OPTE","json":"https://pith.science/pith/CWFCIBQJKXWIXCOGRWVKU7OPTE.json","graph_json":"https://pith.science/api/pith-number/CWFCIBQJKXWIXCOGRWVKU7OPTE/graph.json","events_json":"https://pith.science/api/pith-number/CWFCIBQJKXWIXCOGRWVKU7OPTE/events.json","paper":"https://pith.science/paper/CWFCIBQJ"},"agent_actions":{"view_html":"https://pith.science/pith/CWFCIBQJKXWIXCOGRWVKU7OPTE","download_json":"https://pith.science/pith/CWFCIBQJKXWIXCOGRWVKU7OPTE.json","view_paper":"https://pith.science/paper/CWFCIBQJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0910.5035&json=true","fetch_graph":"https://pith.science/api/pith-number/CWFCIBQJKXWIXCOGRWVKU7OPTE/graph.json","fetch_events":"https://pith.science/api/pith-number/CWFCIBQJKXWIXCOGRWVKU7OPTE/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/CWFCIBQJKXWIXCOGRWVKU7OPTE/action/timestamp_anchor","attest_storage":"https://pith.science/pith/CWFCIBQJKXWIXCOGRWVKU7OPTE/action/storage_attestation","attest_author":"https://pith.science/pith/CWFCIBQJKXWIXCOGRWVKU7OPTE/action/author_attestation","sign_citation":"https://pith.science/pith/CWFCIBQJKXWIXCOGRWVKU7OPTE/action/citation_signature","submit_replication":"https://pith.science/pith/CWFCIBQJKXWIXCOGRWVKU7OPTE/action/replication_record"}},"created_at":"2026-05-18T02:11:11.108525+00:00","updated_at":"2026-05-18T02:11:11.108525+00:00"}