{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:S65TD4SGXZVTECEQN2VVPY5CBI","short_pith_number":"pith:S65TD4SG","canonical_record":{"source":{"id":"2012.02611","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2020-12-04T14:14:13Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"e2ac740aba740e7d7b2104e971d63cc6057ebdf94d218ae359b0f8c53ab3fd16","abstract_canon_sha256":"ffef9db4fd78b0ff700ac1af976aab5471f7fe5e71f8148228c80e2767c6f384"},"schema_version":"1.0"},"canonical_sha256":"97bb31f246be6b3208906eab57e3a20a1175fbf6f8e75407684f95530021f470","source":{"kind":"arxiv","id":"2012.02611","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.02611","created_at":"2026-07-05T03:41:58Z"},{"alias_kind":"arxiv_version","alias_value":"2012.02611v2","created_at":"2026-07-05T03:41:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.02611","created_at":"2026-07-05T03:41:58Z"},{"alias_kind":"pith_short_12","alias_value":"S65TD4SGXZVT","created_at":"2026-07-05T03:41:58Z"},{"alias_kind":"pith_short_16","alias_value":"S65TD4SGXZVTECEQ","created_at":"2026-07-05T03:41:58Z"},{"alias_kind":"pith_short_8","alias_value":"S65TD4SG","created_at":"2026-07-05T03:41:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:S65TD4SGXZVTECEQN2VVPY5CBI","target":"record","payload":{"canonical_record":{"source":{"id":"2012.02611","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2020-12-04T14:14:13Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"e2ac740aba740e7d7b2104e971d63cc6057ebdf94d218ae359b0f8c53ab3fd16","abstract_canon_sha256":"ffef9db4fd78b0ff700ac1af976aab5471f7fe5e71f8148228c80e2767c6f384"},"schema_version":"1.0"},"canonical_sha256":"97bb31f246be6b3208906eab57e3a20a1175fbf6f8e75407684f95530021f470","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:41:58.963058Z","signature_b64":"0lY5euJOal/pvKY7lMnJDpPALUoLcQzjDdW2DfsWhhbkrLmp+9cM278G56rTMmCFNnKRCs7dHtWWwx5j0DJ1Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"97bb31f246be6b3208906eab57e3a20a1175fbf6f8e75407684f95530021f470","last_reissued_at":"2026-07-05T03:41:58.962589Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:41:58.962589Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2012.02611","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":"2026-07-05T03:41:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XXUgpVlB31KCmaIcSU4AHS0Okbku2MPA1hj2xgjY88owDvcqBXLj/veHXeE/pkPAIatSFdFu/UYV4P57NQkVBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T15:30:44.210168Z"},"content_sha256":"57447c9cc5e03d413917392cad6fae287aade983550b1da0185f0feac93f8efc","schema_version":"1.0","event_id":"sha256:57447c9cc5e03d413917392cad6fae287aade983550b1da0185f0feac93f8efc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:S65TD4SGXZVTECEQN2VVPY5CBI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Schwarzschild-like black hole with a topological defect in bumblebee gravity","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"Ali \\\"Ovg\\\"un, \\.Ibrahim G\\\"ull\\\"u","submitted_at":"2020-12-04T14:14:13Z","abstract_excerpt":"In this paper, we derive an exact black hole spacetime metric in the Einstein-Hilbert-Bumblebee (EHB) gravity around global monopole field. We study the horizon, temperature, and the photon sphere of the black hole. Using the null geodesics equation, we obtain the shadow cast by the Schwarzschild-like black hole with a topological defect in bumblebee gravity. Interestingly, the radius of shadow of the black hole increases with increase in the global monopole parameter. We also visualize the shadows and energy emission rates for different values of parameters. Moreover, using the Gauss-Bonnet t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.02611","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/2012.02611/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":"2026-07-05T03:41:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xvwUn3CJMoXHBDxSYVrzyOLUgyn46GzShjBUAt4VSMgF8a7/IPzueRSYx7T32FFzut50HmT3Z0zSV4nYwzH1Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T15:30:44.210691Z"},"content_sha256":"272314957b65a5df394e362c562855859d7949c4d8af5a3dff6cb856e737eb19","schema_version":"1.0","event_id":"sha256:272314957b65a5df394e362c562855859d7949c4d8af5a3dff6cb856e737eb19"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/S65TD4SGXZVTECEQN2VVPY5CBI/bundle.json","state_url":"https://pith.science/pith/S65TD4SGXZVTECEQN2VVPY5CBI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/S65TD4SGXZVTECEQN2VVPY5CBI/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":"2026-08-09T15:30:44Z","links":{"resolver":"https://pith.science/pith/S65TD4SGXZVTECEQN2VVPY5CBI","bundle":"https://pith.science/pith/S65TD4SGXZVTECEQN2VVPY5CBI/bundle.json","state":"https://pith.science/pith/S65TD4SGXZVTECEQN2VVPY5CBI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/S65TD4SGXZVTECEQN2VVPY5CBI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:S65TD4SGXZVTECEQN2VVPY5CBI","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":"ffef9db4fd78b0ff700ac1af976aab5471f7fe5e71f8148228c80e2767c6f384","cross_cats_sorted":["hep-th"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2020-12-04T14:14:13Z","title_canon_sha256":"e2ac740aba740e7d7b2104e971d63cc6057ebdf94d218ae359b0f8c53ab3fd16"},"schema_version":"1.0","source":{"id":"2012.02611","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.02611","created_at":"2026-07-05T03:41:58Z"},{"alias_kind":"arxiv_version","alias_value":"2012.02611v2","created_at":"2026-07-05T03:41:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.02611","created_at":"2026-07-05T03:41:58Z"},{"alias_kind":"pith_short_12","alias_value":"S65TD4SGXZVT","created_at":"2026-07-05T03:41:58Z"},{"alias_kind":"pith_short_16","alias_value":"S65TD4SGXZVTECEQ","created_at":"2026-07-05T03:41:58Z"},{"alias_kind":"pith_short_8","alias_value":"S65TD4SG","created_at":"2026-07-05T03:41:58Z"}],"graph_snapshots":[{"event_id":"sha256:272314957b65a5df394e362c562855859d7949c4d8af5a3dff6cb856e737eb19","target":"graph","created_at":"2026-07-05T03:41:58Z","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/2012.02611/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this paper, we derive an exact black hole spacetime metric in the Einstein-Hilbert-Bumblebee (EHB) gravity around global monopole field. We study the horizon, temperature, and the photon sphere of the black hole. Using the null geodesics equation, we obtain the shadow cast by the Schwarzschild-like black hole with a topological defect in bumblebee gravity. Interestingly, the radius of shadow of the black hole increases with increase in the global monopole parameter. We also visualize the shadows and energy emission rates for different values of parameters. Moreover, using the Gauss-Bonnet t","authors_text":"Ali \\\"Ovg\\\"un, \\.Ibrahim G\\\"ull\\\"u","cross_cats":["hep-th"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2020-12-04T14:14:13Z","title":"Schwarzschild-like black hole with a topological defect in bumblebee gravity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.02611","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":"sha256:57447c9cc5e03d413917392cad6fae287aade983550b1da0185f0feac93f8efc","target":"record","created_at":"2026-07-05T03:41:58Z","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":"ffef9db4fd78b0ff700ac1af976aab5471f7fe5e71f8148228c80e2767c6f384","cross_cats_sorted":["hep-th"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2020-12-04T14:14:13Z","title_canon_sha256":"e2ac740aba740e7d7b2104e971d63cc6057ebdf94d218ae359b0f8c53ab3fd16"},"schema_version":"1.0","source":{"id":"2012.02611","kind":"arxiv","version":2}},"canonical_sha256":"97bb31f246be6b3208906eab57e3a20a1175fbf6f8e75407684f95530021f470","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"97bb31f246be6b3208906eab57e3a20a1175fbf6f8e75407684f95530021f470","first_computed_at":"2026-07-05T03:41:58.962589Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:41:58.962589Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0lY5euJOal/pvKY7lMnJDpPALUoLcQzjDdW2DfsWhhbkrLmp+9cM278G56rTMmCFNnKRCs7dHtWWwx5j0DJ1Dw==","signature_status":"signed_v1","signed_at":"2026-07-05T03:41:58.963058Z","signed_message":"canonical_sha256_bytes"},"source_id":"2012.02611","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:57447c9cc5e03d413917392cad6fae287aade983550b1da0185f0feac93f8efc","sha256:272314957b65a5df394e362c562855859d7949c4d8af5a3dff6cb856e737eb19"],"state_sha256":"e18ac5b12e0a57fa4e8f957c0c14115d61e3119f11b5462714a90b52f4d3e43f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YqU/G1m/Q7qjgx6LBlLDYPCClVxzkaWtRnUeZS14e2VC8QiP+AG5NBKU0rxuvPVaNNwsgbKBSaLBb1Yv8vbOAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T15:30:44.214282Z","bundle_sha256":"6f3d1a20dd679fafeea9d7625f73cd3fea53fa578f1b709b0880ca3ae50aaf9f"}}