{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:LCDKCZY6WU44G4JPU26VGXUXXW","short_pith_number":"pith:LCDKCZY6","schema_version":"1.0","canonical_sha256":"5886a1671eb539c3712fa6bd535e97bdb3422abe79f6ede818a03967f13427f2","source":{"kind":"arxiv","id":"1011.5848","version":1},"attestation_state":"computed","paper":{"title":"Strong Gravitational Lensing by Sgr A*","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE","hep-ph"],"primary_cat":"gr-qc","authors_text":"Amitai Y. Bin-Nun","submitted_at":"2010-11-26T17:54:43Z","abstract_excerpt":"In recent years, there has been increasing recognition of the potential of the galactic center as a probe of general relativity in the strong field. There is almost certainly a black hole at Sgr A* in the galactic center, and this would allow us the opportunity to probe dynamics near the exterior of the black hole. In the last decade, there has been research into extreme gravitational lensing in the galactic center. Unlike in most applications of gravitational lensing, where the bending angle is of the order of several arc seconds, very large bending angles are possible for light that closely "},"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":"1011.5848","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2010-11-26T17:54:43Z","cross_cats_sorted":["astro-ph.HE","hep-ph"],"title_canon_sha256":"16eef094009d13a29f245ff825b01c6d4b725db232bd872ef7345ac9c1d33f0d","abstract_canon_sha256":"9d7f63cdbef409acf9223c81fac55985553af241d4d09b68b4c92bd552581997"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:21:29.874302Z","signature_b64":"8FdOoxXN8T1ioy114LiW+qORrId0F46GB+J9YuL6pZH0zg7vDfuDYdtlqB2yiNAimojjQX5VVjA19Uabo39VBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5886a1671eb539c3712fa6bd535e97bdb3422abe79f6ede818a03967f13427f2","last_reissued_at":"2026-05-18T04:21:29.873924Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:21:29.873924Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Strong Gravitational Lensing by Sgr A*","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE","hep-ph"],"primary_cat":"gr-qc","authors_text":"Amitai Y. Bin-Nun","submitted_at":"2010-11-26T17:54:43Z","abstract_excerpt":"In recent years, there has been increasing recognition of the potential of the galactic center as a probe of general relativity in the strong field. There is almost certainly a black hole at Sgr A* in the galactic center, and this would allow us the opportunity to probe dynamics near the exterior of the black hole. In the last decade, there has been research into extreme gravitational lensing in the galactic center. Unlike in most applications of gravitational lensing, where the bending angle is of the order of several arc seconds, very large bending angles are possible for light that closely "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.5848","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":"1011.5848","created_at":"2026-05-18T04:21:29.873987+00:00"},{"alias_kind":"arxiv_version","alias_value":"1011.5848v1","created_at":"2026-05-18T04:21:29.873987+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.5848","created_at":"2026-05-18T04:21:29.873987+00:00"},{"alias_kind":"pith_short_12","alias_value":"LCDKCZY6WU44","created_at":"2026-05-18T12:26:10.704358+00:00"},{"alias_kind":"pith_short_16","alias_value":"LCDKCZY6WU44G4JP","created_at":"2026-05-18T12:26:10.704358+00:00"},{"alias_kind":"pith_short_8","alias_value":"LCDKCZY6","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/LCDKCZY6WU44G4JPU26VGXUXXW","json":"https://pith.science/pith/LCDKCZY6WU44G4JPU26VGXUXXW.json","graph_json":"https://pith.science/api/pith-number/LCDKCZY6WU44G4JPU26VGXUXXW/graph.json","events_json":"https://pith.science/api/pith-number/LCDKCZY6WU44G4JPU26VGXUXXW/events.json","paper":"https://pith.science/paper/LCDKCZY6"},"agent_actions":{"view_html":"https://pith.science/pith/LCDKCZY6WU44G4JPU26VGXUXXW","download_json":"https://pith.science/pith/LCDKCZY6WU44G4JPU26VGXUXXW.json","view_paper":"https://pith.science/paper/LCDKCZY6","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1011.5848&json=true","fetch_graph":"https://pith.science/api/pith-number/LCDKCZY6WU44G4JPU26VGXUXXW/graph.json","fetch_events":"https://pith.science/api/pith-number/LCDKCZY6WU44G4JPU26VGXUXXW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LCDKCZY6WU44G4JPU26VGXUXXW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LCDKCZY6WU44G4JPU26VGXUXXW/action/storage_attestation","attest_author":"https://pith.science/pith/LCDKCZY6WU44G4JPU26VGXUXXW/action/author_attestation","sign_citation":"https://pith.science/pith/LCDKCZY6WU44G4JPU26VGXUXXW/action/citation_signature","submit_replication":"https://pith.science/pith/LCDKCZY6WU44G4JPU26VGXUXXW/action/replication_record"}},"created_at":"2026-05-18T04:21:29.873987+00:00","updated_at":"2026-05-18T04:21:29.873987+00:00"}