{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:HU3V2KFNKRWRH23DIUA236OYHI","short_pith_number":"pith:HU3V2KFN","canonical_record":{"source":{"id":"2110.11704","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2021-10-22T10:59:58Z","cross_cats_sorted":[],"title_canon_sha256":"621ab8084a5a1b25a4bf0d84bfa7a6514d48d823129e82e9e3c4af00b8dfa06e","abstract_canon_sha256":"ab1113334980d75093b9d00d3682011f27fa84074614079cf426e972c8f4c2d3"},"schema_version":"1.0"},"canonical_sha256":"3d375d28ad546d13eb634501adf9d83a39eac1d9ceeccd89e78a51e0a4ab1c2c","source":{"kind":"arxiv","id":"2110.11704","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2110.11704","created_at":"2026-07-05T04:11:50Z"},{"alias_kind":"arxiv_version","alias_value":"2110.11704v2","created_at":"2026-07-05T04:11:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2110.11704","created_at":"2026-07-05T04:11:50Z"},{"alias_kind":"pith_short_12","alias_value":"HU3V2KFNKRWR","created_at":"2026-07-05T04:11:50Z"},{"alias_kind":"pith_short_16","alias_value":"HU3V2KFNKRWRH23D","created_at":"2026-07-05T04:11:50Z"},{"alias_kind":"pith_short_8","alias_value":"HU3V2KFN","created_at":"2026-07-05T04:11:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:HU3V2KFNKRWRH23DIUA236OYHI","target":"record","payload":{"canonical_record":{"source":{"id":"2110.11704","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2021-10-22T10:59:58Z","cross_cats_sorted":[],"title_canon_sha256":"621ab8084a5a1b25a4bf0d84bfa7a6514d48d823129e82e9e3c4af00b8dfa06e","abstract_canon_sha256":"ab1113334980d75093b9d00d3682011f27fa84074614079cf426e972c8f4c2d3"},"schema_version":"1.0"},"canonical_sha256":"3d375d28ad546d13eb634501adf9d83a39eac1d9ceeccd89e78a51e0a4ab1c2c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:11:50.113417Z","signature_b64":"aer1ZnjMxSkRYmZ4QtZrTmQbkDnrVYoySB1RtLU3Uafx5orxlqZ7dDDXPAEUNGuonEMBgYRyjy65JJOFeRWgDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3d375d28ad546d13eb634501adf9d83a39eac1d9ceeccd89e78a51e0a4ab1c2c","last_reissued_at":"2026-07-05T04:11:50.113069Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:11:50.113069Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2110.11704","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T04:11:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"d8Zf0gtpYNEx6V2TC9umqaJwBFGK2TgoyRxuiKk2faw3HVARGQ2oeuNLSruZ8sMtRUYyo9D7EjZZe8xBpZ/xDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T08:38:19.133042Z"},"content_sha256":"0c3491a7865c555045489f492cc055119135ed58d741ede111acd53d15e2a3da","schema_version":"1.0","event_id":"sha256:0c3491a7865c555045489f492cc055119135ed58d741ede111acd53d15e2a3da"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:HU3V2KFNKRWRH23DIUA236OYHI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Study of circular geodesics and shadow of rotating charged black hole surrounded by perfect fluid dark matter immersed in plasma","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Anish Das, Ashis Saha, Sunandan Gangopadhyay","submitted_at":"2021-10-22T10:59:58Z","abstract_excerpt":"In this work, we consider a rotating charged black hole surrounded by perfect fluid dark matter. We consider the system to be immersed in non-magnetised, pressureless plasma. First, we evaluate the null geodesics in order to study the co-rotating and counter rotating photon orbits. Further, we analyse the null geodesics to calculate the celestial coordinates ($\\alpha, \\beta$). The celestial coordinates are used to determine the black hole shadow radius ($R_s$). Thereafter, we observe and analyse the effects of black hole spacetime, perfect fluid dark matter and plasma parameters ($a$, $Q$, $\\c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2110.11704","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/2110.11704/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":"2026-07-05T04:11:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"g8sEV+qRHvtrc0NOfBteRLoSf1SiP/4OYFx6E75s0ipK1fWJN3MgDYsZj6bMtD3xyFt/Tn2o8yVrWC56PRpNDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T08:38:19.135471Z"},"content_sha256":"4a59a79dc64838c5fe26e8a18942d44241702e867d36dfe1673a03120cd8024e","schema_version":"1.0","event_id":"sha256:4a59a79dc64838c5fe26e8a18942d44241702e867d36dfe1673a03120cd8024e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HU3V2KFNKRWRH23DIUA236OYHI/bundle.json","state_url":"https://pith.science/pith/HU3V2KFNKRWRH23DIUA236OYHI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HU3V2KFNKRWRH23DIUA236OYHI/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":"2026-08-01T08:38:19Z","links":{"resolver":"https://pith.science/pith/HU3V2KFNKRWRH23DIUA236OYHI","bundle":"https://pith.science/pith/HU3V2KFNKRWRH23DIUA236OYHI/bundle.json","state":"https://pith.science/pith/HU3V2KFNKRWRH23DIUA236OYHI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HU3V2KFNKRWRH23DIUA236OYHI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:HU3V2KFNKRWRH23DIUA236OYHI","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":"ab1113334980d75093b9d00d3682011f27fa84074614079cf426e972c8f4c2d3","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2021-10-22T10:59:58Z","title_canon_sha256":"621ab8084a5a1b25a4bf0d84bfa7a6514d48d823129e82e9e3c4af00b8dfa06e"},"schema_version":"1.0","source":{"id":"2110.11704","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2110.11704","created_at":"2026-07-05T04:11:50Z"},{"alias_kind":"arxiv_version","alias_value":"2110.11704v2","created_at":"2026-07-05T04:11:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2110.11704","created_at":"2026-07-05T04:11:50Z"},{"alias_kind":"pith_short_12","alias_value":"HU3V2KFNKRWR","created_at":"2026-07-05T04:11:50Z"},{"alias_kind":"pith_short_16","alias_value":"HU3V2KFNKRWRH23D","created_at":"2026-07-05T04:11:50Z"},{"alias_kind":"pith_short_8","alias_value":"HU3V2KFN","created_at":"2026-07-05T04:11:50Z"}],"graph_snapshots":[{"event_id":"sha256:4a59a79dc64838c5fe26e8a18942d44241702e867d36dfe1673a03120cd8024e","target":"graph","created_at":"2026-07-05T04:11:50Z","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/2110.11704/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this work, we consider a rotating charged black hole surrounded by perfect fluid dark matter. We consider the system to be immersed in non-magnetised, pressureless plasma. First, we evaluate the null geodesics in order to study the co-rotating and counter rotating photon orbits. Further, we analyse the null geodesics to calculate the celestial coordinates ($\\alpha, \\beta$). The celestial coordinates are used to determine the black hole shadow radius ($R_s$). Thereafter, we observe and analyse the effects of black hole spacetime, perfect fluid dark matter and plasma parameters ($a$, $Q$, $\\c","authors_text":"Anish Das, Ashis Saha, Sunandan Gangopadhyay","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2021-10-22T10:59:58Z","title":"Study of circular geodesics and shadow of rotating charged black hole surrounded by perfect fluid dark matter immersed in plasma"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2110.11704","kind":"arxiv","version":2},"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":"sha256:0c3491a7865c555045489f492cc055119135ed58d741ede111acd53d15e2a3da","target":"record","created_at":"2026-07-05T04:11:50Z","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":"ab1113334980d75093b9d00d3682011f27fa84074614079cf426e972c8f4c2d3","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2021-10-22T10:59:58Z","title_canon_sha256":"621ab8084a5a1b25a4bf0d84bfa7a6514d48d823129e82e9e3c4af00b8dfa06e"},"schema_version":"1.0","source":{"id":"2110.11704","kind":"arxiv","version":2}},"canonical_sha256":"3d375d28ad546d13eb634501adf9d83a39eac1d9ceeccd89e78a51e0a4ab1c2c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3d375d28ad546d13eb634501adf9d83a39eac1d9ceeccd89e78a51e0a4ab1c2c","first_computed_at":"2026-07-05T04:11:50.113069Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:11:50.113069Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aer1ZnjMxSkRYmZ4QtZrTmQbkDnrVYoySB1RtLU3Uafx5orxlqZ7dDDXPAEUNGuonEMBgYRyjy65JJOFeRWgDg==","signature_status":"signed_v1","signed_at":"2026-07-05T04:11:50.113417Z","signed_message":"canonical_sha256_bytes"},"source_id":"2110.11704","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0c3491a7865c555045489f492cc055119135ed58d741ede111acd53d15e2a3da","sha256:4a59a79dc64838c5fe26e8a18942d44241702e867d36dfe1673a03120cd8024e"],"state_sha256":"4e86b251de44f0042286bb79f2c9e31369690cc14dd723659d4883943e29b75f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+MnLy9WCxktOKvkTbDg0cM2GGQRFdjR5Nw6wflBue+rA/O8cjM7eE2dfERo49j3jfylItjTbpr19noD5VhKNDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-01T08:38:19.140356Z","bundle_sha256":"83fb2d95b1a2c70ee61c951df022889a689511c97ca9fb87225711027193f93e"}}