{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:BWHOLZ2LQHFIV2PZINL27VGIS3","short_pith_number":"pith:BWHOLZ2L","canonical_record":{"source":{"id":"2201.01890","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2022-01-06T02:01:52Z","cross_cats_sorted":[],"title_canon_sha256":"1dd166626c6b4658ab09aab4b538538f6897dbfe097b0135015a9df0a721f3d7","abstract_canon_sha256":"df3477fa8d8692f032b303a4108b29498877ae812967f97b8061db2c3e31d4d5"},"schema_version":"1.0"},"canonical_sha256":"0d8ee5e74b81ca8ae9f94357afd4c896ca39d6a39cb0033520e633504a9c415e","source":{"kind":"arxiv","id":"2201.01890","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2201.01890","created_at":"2026-07-05T04:31:30Z"},{"alias_kind":"arxiv_version","alias_value":"2201.01890v1","created_at":"2026-07-05T04:31:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2201.01890","created_at":"2026-07-05T04:31:30Z"},{"alias_kind":"pith_short_12","alias_value":"BWHOLZ2LQHFI","created_at":"2026-07-05T04:31:30Z"},{"alias_kind":"pith_short_16","alias_value":"BWHOLZ2LQHFIV2PZ","created_at":"2026-07-05T04:31:30Z"},{"alias_kind":"pith_short_8","alias_value":"BWHOLZ2L","created_at":"2026-07-05T04:31:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:BWHOLZ2LQHFIV2PZINL27VGIS3","target":"record","payload":{"canonical_record":{"source":{"id":"2201.01890","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2022-01-06T02:01:52Z","cross_cats_sorted":[],"title_canon_sha256":"1dd166626c6b4658ab09aab4b538538f6897dbfe097b0135015a9df0a721f3d7","abstract_canon_sha256":"df3477fa8d8692f032b303a4108b29498877ae812967f97b8061db2c3e31d4d5"},"schema_version":"1.0"},"canonical_sha256":"0d8ee5e74b81ca8ae9f94357afd4c896ca39d6a39cb0033520e633504a9c415e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:31:30.746303Z","signature_b64":"/G22nAH96lZxhPdAamAvkIcUTYmlS/eMjwDJCBqx1pUA6e/kY2gLH3dtIDJFf9EQuIg6TF62Wrc4COCJdZIIDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0d8ee5e74b81ca8ae9f94357afd4c896ca39d6a39cb0033520e633504a9c415e","last_reissued_at":"2026-07-05T04:31:30.745783Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:31:30.745783Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2201.01890","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T04:31:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kq02+scPxP0AXtEEIyGZgzauHbEEa+6Oi/Zmc7naNpGjvZTb92OC0lkHWKvKB8RZh41FRayIcpKT97Z9dh+bAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T07:15:56.588869Z"},"content_sha256":"468fce0c9c2834550a6bc6d3f7ba9231cf8cd250abe9f37af705a98504a6b646","schema_version":"1.0","event_id":"sha256:468fce0c9c2834550a6bc6d3f7ba9231cf8cd250abe9f37af705a98504a6b646"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:BWHOLZ2LQHFIV2PZINL27VGIS3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Shadows of magnetically charged rotating black holes surrounded by quintessence","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Chengxiang Sun, Ruihong Yue, Wei-Liang Qian, Yunqi Liu","submitted_at":"2022-01-06T02:01:52Z","abstract_excerpt":"In this work, we study the optical properties of a class of magnetically charged rotating black hole spacetimes. The black holes in question are assumed to be immersed in the quintessence field, and subsequently, the resulting black hole shadows are expected to be modified by the presence of the dark energy. We investigate the photon region and the black hole shadow, and in particular, their dependence on the relevant physical conditions such as the state parameter of the quintessence, the angular momentum, and the magnitude of the magnetic charge. It is shown that the photon regions sensitive"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2201.01890","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2201.01890/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T04:31:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"w2R6B246lkdJ5QBhtbeqZEJvjFKkn+7ui4yFogzPL8o3u7IEFbgp/PTOmcCt/T63uxyS799wlZ6CJ3lht4JGAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T07:15:56.589387Z"},"content_sha256":"0bec1ab5f7ec7804505fe2581fc4ff5e7ef6b866f0badd4b8c7309716be4fcc2","schema_version":"1.0","event_id":"sha256:0bec1ab5f7ec7804505fe2581fc4ff5e7ef6b866f0badd4b8c7309716be4fcc2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BWHOLZ2LQHFIV2PZINL27VGIS3/bundle.json","state_url":"https://pith.science/pith/BWHOLZ2LQHFIV2PZINL27VGIS3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BWHOLZ2LQHFIV2PZINL27VGIS3/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-17T07:15:56Z","links":{"resolver":"https://pith.science/pith/BWHOLZ2LQHFIV2PZINL27VGIS3","bundle":"https://pith.science/pith/BWHOLZ2LQHFIV2PZINL27VGIS3/bundle.json","state":"https://pith.science/pith/BWHOLZ2LQHFIV2PZINL27VGIS3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BWHOLZ2LQHFIV2PZINL27VGIS3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:BWHOLZ2LQHFIV2PZINL27VGIS3","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"df3477fa8d8692f032b303a4108b29498877ae812967f97b8061db2c3e31d4d5","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2022-01-06T02:01:52Z","title_canon_sha256":"1dd166626c6b4658ab09aab4b538538f6897dbfe097b0135015a9df0a721f3d7"},"schema_version":"1.0","source":{"id":"2201.01890","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2201.01890","created_at":"2026-07-05T04:31:30Z"},{"alias_kind":"arxiv_version","alias_value":"2201.01890v1","created_at":"2026-07-05T04:31:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2201.01890","created_at":"2026-07-05T04:31:30Z"},{"alias_kind":"pith_short_12","alias_value":"BWHOLZ2LQHFI","created_at":"2026-07-05T04:31:30Z"},{"alias_kind":"pith_short_16","alias_value":"BWHOLZ2LQHFIV2PZ","created_at":"2026-07-05T04:31:30Z"},{"alias_kind":"pith_short_8","alias_value":"BWHOLZ2L","created_at":"2026-07-05T04:31:30Z"}],"graph_snapshots":[{"event_id":"sha256:0bec1ab5f7ec7804505fe2581fc4ff5e7ef6b866f0badd4b8c7309716be4fcc2","target":"graph","created_at":"2026-07-05T04:31:30Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2201.01890/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this work, we study the optical properties of a class of magnetically charged rotating black hole spacetimes. The black holes in question are assumed to be immersed in the quintessence field, and subsequently, the resulting black hole shadows are expected to be modified by the presence of the dark energy. We investigate the photon region and the black hole shadow, and in particular, their dependence on the relevant physical conditions such as the state parameter of the quintessence, the angular momentum, and the magnitude of the magnetic charge. It is shown that the photon regions sensitive","authors_text":"Chengxiang Sun, Ruihong Yue, Wei-Liang Qian, Yunqi Liu","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2022-01-06T02:01:52Z","title":"Shadows of magnetically charged rotating black holes surrounded by quintessence"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2201.01890","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:468fce0c9c2834550a6bc6d3f7ba9231cf8cd250abe9f37af705a98504a6b646","target":"record","created_at":"2026-07-05T04:31:30Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"df3477fa8d8692f032b303a4108b29498877ae812967f97b8061db2c3e31d4d5","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2022-01-06T02:01:52Z","title_canon_sha256":"1dd166626c6b4658ab09aab4b538538f6897dbfe097b0135015a9df0a721f3d7"},"schema_version":"1.0","source":{"id":"2201.01890","kind":"arxiv","version":1}},"canonical_sha256":"0d8ee5e74b81ca8ae9f94357afd4c896ca39d6a39cb0033520e633504a9c415e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0d8ee5e74b81ca8ae9f94357afd4c896ca39d6a39cb0033520e633504a9c415e","first_computed_at":"2026-07-05T04:31:30.745783Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:31:30.745783Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/G22nAH96lZxhPdAamAvkIcUTYmlS/eMjwDJCBqx1pUA6e/kY2gLH3dtIDJFf9EQuIg6TF62Wrc4COCJdZIIDA==","signature_status":"signed_v1","signed_at":"2026-07-05T04:31:30.746303Z","signed_message":"canonical_sha256_bytes"},"source_id":"2201.01890","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:468fce0c9c2834550a6bc6d3f7ba9231cf8cd250abe9f37af705a98504a6b646","sha256:0bec1ab5f7ec7804505fe2581fc4ff5e7ef6b866f0badd4b8c7309716be4fcc2"],"state_sha256":"3d6991255898cee3b38852b7449e15a4cfe22d7985e67e541c91037068e099e8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2+y01VQPiKvNCLc3BPs/zE/FqDfuort5hcsMK9Kboin1yqSOm6IkeG3mDAlw2Xvz9w7JCG1QBeBjPjvydvuNCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-17T07:15:56.594622Z","bundle_sha256":"e0f77cf108a253263b4ea658efc95170e220cc3e351d057c213f0c7da78a5a33"}}