{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:JCW5KSSQXL56GXCZYRFJNT4MVO","short_pith_number":"pith:JCW5KSSQ","schema_version":"1.0","canonical_sha256":"48add54a50bafbe35c59c44a96cf8cab829c4fbcfcffd7b99de80d1175efcc5c","source":{"kind":"arxiv","id":"2207.12226","version":2},"attestation_state":"computed","paper":{"title":"Fisher Information of a Black Hole Spacetime","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-th","quant-ph"],"primary_cat":"gr-qc","authors_text":"Everett Patterson, Robert B. Mann","submitted_at":"2022-07-25T14:27:01Z","abstract_excerpt":"Relativistic quantum metrology is the study of optimal measurement procedures within systems that have both quantum and relativistic components. Here we use Unruh-DeWitt detectors coupled to a massless scalar field as probes of thermal parameters in different spacetimes via a relativistic quantum metrology analysis. We consider both (2+1)-dimensional anti-de Sitter and BTZ black hole spacetimes. We compute the Fisher information to identify characteristics of the black hole spacetime and to compare it to a uniformly accelerating detector in anti-de Sitter space. We find the dependence of the F"},"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":"2207.12226","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2022-07-25T14:27:01Z","cross_cats_sorted":["hep-th","quant-ph"],"title_canon_sha256":"a046fe225f26ee7315b086421018fdb18dc3893c18ddc484bbd8ed28ed622f80","abstract_canon_sha256":"5fe7faee52fc1ae5da3c8a6bcca514733fe3eccd69acddff80eb13ae034c897b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:34:18.270383Z","signature_b64":"jTwClX5woyjfSwtHfqc6h0Ymq7NO//bY3tp1ifoVKlV390+HpZHhsKHtth/6SQ1bH4t8WEOFzSde8tihvG5rAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"48add54a50bafbe35c59c44a96cf8cab829c4fbcfcffd7b99de80d1175efcc5c","last_reissued_at":"2026-07-05T06:34:18.269955Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:34:18.269955Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Fisher Information of a Black Hole Spacetime","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-th","quant-ph"],"primary_cat":"gr-qc","authors_text":"Everett Patterson, Robert B. Mann","submitted_at":"2022-07-25T14:27:01Z","abstract_excerpt":"Relativistic quantum metrology is the study of optimal measurement procedures within systems that have both quantum and relativistic components. Here we use Unruh-DeWitt detectors coupled to a massless scalar field as probes of thermal parameters in different spacetimes via a relativistic quantum metrology analysis. We consider both (2+1)-dimensional anti-de Sitter and BTZ black hole spacetimes. We compute the Fisher information to identify characteristics of the black hole spacetime and to compare it to a uniformly accelerating detector in anti-de Sitter space. We find the dependence of the F"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.12226","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/2207.12226/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":"2207.12226","created_at":"2026-07-05T06:34:18.270017+00:00"},{"alias_kind":"arxiv_version","alias_value":"2207.12226v2","created_at":"2026-07-05T06:34:18.270017+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2207.12226","created_at":"2026-07-05T06:34:18.270017+00:00"},{"alias_kind":"pith_short_12","alias_value":"JCW5KSSQXL56","created_at":"2026-07-05T06:34:18.270017+00:00"},{"alias_kind":"pith_short_16","alias_value":"JCW5KSSQXL56GXCZ","created_at":"2026-07-05T06:34:18.270017+00:00"},{"alias_kind":"pith_short_8","alias_value":"JCW5KSSQ","created_at":"2026-07-05T06:34:18.270017+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2508.16469","citing_title":"Delay-Independent Stability of Nonlinear Delay Differential Equations via Isospectral Reduction","ref_index":97,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/JCW5KSSQXL56GXCZYRFJNT4MVO","json":"https://pith.science/pith/JCW5KSSQXL56GXCZYRFJNT4MVO.json","graph_json":"https://pith.science/api/pith-number/JCW5KSSQXL56GXCZYRFJNT4MVO/graph.json","events_json":"https://pith.science/api/pith-number/JCW5KSSQXL56GXCZYRFJNT4MVO/events.json","paper":"https://pith.science/paper/JCW5KSSQ"},"agent_actions":{"view_html":"https://pith.science/pith/JCW5KSSQXL56GXCZYRFJNT4MVO","download_json":"https://pith.science/pith/JCW5KSSQXL56GXCZYRFJNT4MVO.json","view_paper":"https://pith.science/paper/JCW5KSSQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2207.12226&json=true","fetch_graph":"https://pith.science/api/pith-number/JCW5KSSQXL56GXCZYRFJNT4MVO/graph.json","fetch_events":"https://pith.science/api/pith-number/JCW5KSSQXL56GXCZYRFJNT4MVO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JCW5KSSQXL56GXCZYRFJNT4MVO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JCW5KSSQXL56GXCZYRFJNT4MVO/action/storage_attestation","attest_author":"https://pith.science/pith/JCW5KSSQXL56GXCZYRFJNT4MVO/action/author_attestation","sign_citation":"https://pith.science/pith/JCW5KSSQXL56GXCZYRFJNT4MVO/action/citation_signature","submit_replication":"https://pith.science/pith/JCW5KSSQXL56GXCZYRFJNT4MVO/action/replication_record"}},"created_at":"2026-07-05T06:34:18.270017+00:00","updated_at":"2026-07-05T06:34:18.270017+00:00"}