{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:WA5XBEJXVHMDXHRU7KXR4JT6SZ","short_pith_number":"pith:WA5XBEJX","schema_version":"1.0","canonical_sha256":"b03b709137a9d83b9e34faaf1e267e9676daa232b2ae1b7f9d25336632db620d","source":{"kind":"arxiv","id":"2106.14478","version":2},"attestation_state":"computed","paper":{"title":"The shadows and observational appearance of a noncommutative black hole surrounded by various profiles of accretions","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Guo-Ping Li, Ke-Jian He, Xiao-Xiong Zeng","submitted_at":"2021-06-28T08:41:21Z","abstract_excerpt":"The accretion around the black hole plays a pivotal role in the theoretical analysis of black hole shadow, and of the black hole observation in particular. In this paper, we mainly study the shadow and observation characteristics of noncommutative Schwarzschild black holes wrapped by three accretion models, and then explore the influence of noncommutative parameters on the observation appearance and spacetime geometry of black holes. When the black hole is surrounded by an optically and geometrically thin accretion disk, it shows that the direct emissions always dominate the total observed int"},"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":"2106.14478","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-th","submitted_at":"2021-06-28T08:41:21Z","cross_cats_sorted":[],"title_canon_sha256":"9f2b8cbeb83d1aec932abab36784dfda4fa670833ad8afffd471fb310fd25172","abstract_canon_sha256":"ae0babc6e249be305e8c87169447d601c619ba27090703b2b9551535a8d39c2c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:51:29.031027Z","signature_b64":"aq7CBRD3TJ2pNlOWgU+hnGxP85zxJ48FKavZkkr0+fBq09+pTn1+sZMIUUxWEMCe180AxmnQ8tpl9vm3zCU1Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b03b709137a9d83b9e34faaf1e267e9676daa232b2ae1b7f9d25336632db620d","last_reissued_at":"2026-07-05T03:51:29.030537Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:51:29.030537Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The shadows and observational appearance of a noncommutative black hole surrounded by various profiles of accretions","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Guo-Ping Li, Ke-Jian He, Xiao-Xiong Zeng","submitted_at":"2021-06-28T08:41:21Z","abstract_excerpt":"The accretion around the black hole plays a pivotal role in the theoretical analysis of black hole shadow, and of the black hole observation in particular. In this paper, we mainly study the shadow and observation characteristics of noncommutative Schwarzschild black holes wrapped by three accretion models, and then explore the influence of noncommutative parameters on the observation appearance and spacetime geometry of black holes. When the black hole is surrounded by an optically and geometrically thin accretion disk, it shows that the direct emissions always dominate the total observed int"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2106.14478","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2106.14478/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2106.14478","created_at":"2026-07-05T03:51:29.030589+00:00"},{"alias_kind":"arxiv_version","alias_value":"2106.14478v2","created_at":"2026-07-05T03:51:29.030589+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2106.14478","created_at":"2026-07-05T03:51:29.030589+00:00"},{"alias_kind":"pith_short_12","alias_value":"WA5XBEJXVHMD","created_at":"2026-07-05T03:51:29.030589+00:00"},{"alias_kind":"pith_short_16","alias_value":"WA5XBEJXVHMDXHRU","created_at":"2026-07-05T03:51:29.030589+00:00"},{"alias_kind":"pith_short_8","alias_value":"WA5XBEJX","created_at":"2026-07-05T03:51:29.030589+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":4,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2510.17906","citing_title":"Imaging and Polarimetric Signatures of Konoplya-Zhidenko Black Holes with Various Thick Disk","ref_index":25,"is_internal_anchor":false},{"citing_arxiv_id":"2605.09593","citing_title":"Optical Appearance of the Kerr-Bertotti-Robinson Black Hole with a Magnetically Driven Synchrotron Emissivity Model","ref_index":15,"is_internal_anchor":false},{"citing_arxiv_id":"2604.08439","citing_title":"Optical images of Kerr-Sen black hole illuminated by thick accretion disks","ref_index":30,"is_internal_anchor":false},{"citing_arxiv_id":"2604.07726","citing_title":"Unveiling Inner Shadows and Polarization Signatures of Rotating Einstein-Gauss-Bonnet Black Holes","ref_index":16,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/WA5XBEJXVHMDXHRU7KXR4JT6SZ","json":"https://pith.science/pith/WA5XBEJXVHMDXHRU7KXR4JT6SZ.json","graph_json":"https://pith.science/api/pith-number/WA5XBEJXVHMDXHRU7KXR4JT6SZ/graph.json","events_json":"https://pith.science/api/pith-number/WA5XBEJXVHMDXHRU7KXR4JT6SZ/events.json","paper":"https://pith.science/paper/WA5XBEJX"},"agent_actions":{"view_html":"https://pith.science/pith/WA5XBEJXVHMDXHRU7KXR4JT6SZ","download_json":"https://pith.science/pith/WA5XBEJXVHMDXHRU7KXR4JT6SZ.json","view_paper":"https://pith.science/paper/WA5XBEJX","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2106.14478&json=true","fetch_graph":"https://pith.science/api/pith-number/WA5XBEJXVHMDXHRU7KXR4JT6SZ/graph.json","fetch_events":"https://pith.science/api/pith-number/WA5XBEJXVHMDXHRU7KXR4JT6SZ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WA5XBEJXVHMDXHRU7KXR4JT6SZ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WA5XBEJXVHMDXHRU7KXR4JT6SZ/action/storage_attestation","attest_author":"https://pith.science/pith/WA5XBEJXVHMDXHRU7KXR4JT6SZ/action/author_attestation","sign_citation":"https://pith.science/pith/WA5XBEJXVHMDXHRU7KXR4JT6SZ/action/citation_signature","submit_replication":"https://pith.science/pith/WA5XBEJXVHMDXHRU7KXR4JT6SZ/action/replication_record"}},"created_at":"2026-07-05T03:51:29.030589+00:00","updated_at":"2026-07-05T03:51:29.030589+00:00"}