{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:LYZIXGDNWCSA75V2OU3KWGDXFQ","short_pith_number":"pith:LYZIXGDN","schema_version":"1.0","canonical_sha256":"5e328b986db0a40ff6ba7536ab18772c0d9f47d47d96a360f800c8aef2d8b130","source":{"kind":"arxiv","id":"2007.06333","version":2},"attestation_state":"computed","paper":{"title":"Influence of quintessence dark energy on the shadow of black hole","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"Hai-Qing Zhang, Xiao-Xiong Zeng","submitted_at":"2020-07-13T12:06:05Z","abstract_excerpt":"We investigate the effects of quintessence dark energy on the shadows of black hole, surrounded by various profiles of accretions. For the thin disk accretion, the images of the black hole comprises the dark region and bright region, including direct emission, lensing rings and photon rings. Although their details depend on the form of the emission, generically, the direct emission plays a major role for the observed brightness of the black hole, while the lensing ring makes a small contribution and photon ring makes a negligible contribution. The existence of cosmological horizon also plays a"},"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":"2007.06333","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2020-07-13T12:06:05Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"fd808c4ca7cdbcf5cfb98cabfdf7de830deda0dd8c5e14f872123af02f4e6844","abstract_canon_sha256":"0fa0377410fe00640842f6767249f3e00176b1fcd6bca5431847402dd2d8739e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:55:59.335948Z","signature_b64":"pAodtel/OLo6nCLf62LXFx4eAPsQN9Vf/t9OyLxAvjK/5IvudUjJEq49JllXS52u4FsAZ0zK5tsOBATsDeNUDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5e328b986db0a40ff6ba7536ab18772c0d9f47d47d96a360f800c8aef2d8b130","last_reissued_at":"2026-07-05T01:55:59.335470Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:55:59.335470Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Influence of quintessence dark energy on the shadow of black hole","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"Hai-Qing Zhang, Xiao-Xiong Zeng","submitted_at":"2020-07-13T12:06:05Z","abstract_excerpt":"We investigate the effects of quintessence dark energy on the shadows of black hole, surrounded by various profiles of accretions. For the thin disk accretion, the images of the black hole comprises the dark region and bright region, including direct emission, lensing rings and photon rings. Although their details depend on the form of the emission, generically, the direct emission plays a major role for the observed brightness of the black hole, while the lensing ring makes a small contribution and photon ring makes a negligible contribution. The existence of cosmological horizon also plays a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2007.06333","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/2007.06333/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":"2007.06333","created_at":"2026-07-05T01:55:59.335530+00:00"},{"alias_kind":"arxiv_version","alias_value":"2007.06333v2","created_at":"2026-07-05T01:55:59.335530+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2007.06333","created_at":"2026-07-05T01:55:59.335530+00:00"},{"alias_kind":"pith_short_12","alias_value":"LYZIXGDNWCSA","created_at":"2026-07-05T01:55:59.335530+00:00"},{"alias_kind":"pith_short_16","alias_value":"LYZIXGDNWCSA75V2","created_at":"2026-07-05T01:55:59.335530+00:00"},{"alias_kind":"pith_short_8","alias_value":"LYZIXGDN","created_at":"2026-07-05T01:55:59.335530+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":4,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2606.19110","citing_title":"Kiselev black hole and the ultra-slow evaporating behavior","ref_index":20,"is_internal_anchor":false},{"citing_arxiv_id":"2501.07029","citing_title":"Shadow of the Scalar Hairy Black Hole with Inverted Higgs Potential","ref_index":52,"is_internal_anchor":false},{"citing_arxiv_id":"2205.07787","citing_title":"Horizon-scale tests of gravity theories and fundamental physics from the Event Horizon Telescope image of Sagittarius A$^*$","ref_index":283,"is_internal_anchor":false},{"citing_arxiv_id":"2603.09159","citing_title":"Shadows of quintessence black holes: spherical accretion, photon trajectories, and geodesic observers","ref_index":24,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/LYZIXGDNWCSA75V2OU3KWGDXFQ","json":"https://pith.science/pith/LYZIXGDNWCSA75V2OU3KWGDXFQ.json","graph_json":"https://pith.science/api/pith-number/LYZIXGDNWCSA75V2OU3KWGDXFQ/graph.json","events_json":"https://pith.science/api/pith-number/LYZIXGDNWCSA75V2OU3KWGDXFQ/events.json","paper":"https://pith.science/paper/LYZIXGDN"},"agent_actions":{"view_html":"https://pith.science/pith/LYZIXGDNWCSA75V2OU3KWGDXFQ","download_json":"https://pith.science/pith/LYZIXGDNWCSA75V2OU3KWGDXFQ.json","view_paper":"https://pith.science/paper/LYZIXGDN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2007.06333&json=true","fetch_graph":"https://pith.science/api/pith-number/LYZIXGDNWCSA75V2OU3KWGDXFQ/graph.json","fetch_events":"https://pith.science/api/pith-number/LYZIXGDNWCSA75V2OU3KWGDXFQ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LYZIXGDNWCSA75V2OU3KWGDXFQ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LYZIXGDNWCSA75V2OU3KWGDXFQ/action/storage_attestation","attest_author":"https://pith.science/pith/LYZIXGDNWCSA75V2OU3KWGDXFQ/action/author_attestation","sign_citation":"https://pith.science/pith/LYZIXGDNWCSA75V2OU3KWGDXFQ/action/citation_signature","submit_replication":"https://pith.science/pith/LYZIXGDNWCSA75V2OU3KWGDXFQ/action/replication_record"}},"created_at":"2026-07-05T01:55:59.335530+00:00","updated_at":"2026-07-05T01:55:59.335530+00:00"}