{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:YRRO57EB4J4Y6OCUQSSBUVRGU4","short_pith_number":"pith:YRRO57EB","canonical_record":{"source":{"id":"1911.02977","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-11-08T01:44:50Z","cross_cats_sorted":["hep-th","quant-ph"],"title_canon_sha256":"c2ff1b90adf31a6fa2f493c6a9f9b973a3f3a43b74982ede34d9c7aa30af4c09","abstract_canon_sha256":"d94aef2024a0f5130e88571f892d098702dd44bed86446f402f9a64a4eaf048f"},"schema_version":"1.0"},"canonical_sha256":"c462eefc81e2798f385484a41a5626a72307af8b643f147ce0837ef6adb52572","source":{"kind":"arxiv","id":"1911.02977","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1911.02977","created_at":"2026-07-05T01:31:50Z"},{"alias_kind":"arxiv_version","alias_value":"1911.02977v1","created_at":"2026-07-05T01:31:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1911.02977","created_at":"2026-07-05T01:31:50Z"},{"alias_kind":"pith_short_12","alias_value":"YRRO57EB4J4Y","created_at":"2026-07-05T01:31:50Z"},{"alias_kind":"pith_short_16","alias_value":"YRRO57EB4J4Y6OCU","created_at":"2026-07-05T01:31:50Z"},{"alias_kind":"pith_short_8","alias_value":"YRRO57EB","created_at":"2026-07-05T01:31:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:YRRO57EB4J4Y6OCUQSSBUVRGU4","target":"record","payload":{"canonical_record":{"source":{"id":"1911.02977","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-11-08T01:44:50Z","cross_cats_sorted":["hep-th","quant-ph"],"title_canon_sha256":"c2ff1b90adf31a6fa2f493c6a9f9b973a3f3a43b74982ede34d9c7aa30af4c09","abstract_canon_sha256":"d94aef2024a0f5130e88571f892d098702dd44bed86446f402f9a64a4eaf048f"},"schema_version":"1.0"},"canonical_sha256":"c462eefc81e2798f385484a41a5626a72307af8b643f147ce0837ef6adb52572","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:31:50.215360Z","signature_b64":"rGXBBNlxXlmgQHTVz1/5UEpr/wwMvgBOTvy0rjvjDKMWWNwrrbtIRuhgO4SXM3XSnHdiFgzr2s3ds36ymFl/Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c462eefc81e2798f385484a41a5626a72307af8b643f147ce0837ef6adb52572","last_reissued_at":"2026-07-05T01:31:50.214917Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:31:50.214917Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1911.02977","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":"2026-07-05T01:31:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ijqCfDIhSFmuRXep/tqS7RyX6WitBWc/Gq5iCsX/xUFl9kDeKqX4ltl6JoHiYGBMXKq1Rdq4sdiuS1ocwbzyBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T02:22:09.867418Z"},"content_sha256":"900c39088fbd8f69a016af12b044075c3d252aad3cc006ebb185a54bd280788b","schema_version":"1.0","event_id":"sha256:900c39088fbd8f69a016af12b044075c3d252aad3cc006ebb185a54bd280788b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:YRRO57EB4J4Y6OCUQSSBUVRGU4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The BTZ black hole exhibits anti-Hawking phenomena","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th","quant-ph"],"primary_cat":"gr-qc","authors_text":"Alexander R. H. Smith, Jialin Zhang, Laura J. Henderson, Robert B. Mann, Robie A. Hennigar","submitted_at":"2019-11-08T01:44:50Z","abstract_excerpt":"The Unruh effect is a surprising prediction of quantum field theory that asserts accelerating observers perceive a thermal spectrum of particles with a temperature proportional to their acceleration. However, it has recently been shown that particle detectors can click less often or even cool down as their acceleration increases, in contrast to the heating one would expect. This leads to the so called anti-Unruh phenomena. Here we consider detectors outside a BTZ black hole and demonstrate the existence of black hole analogues of these effects, which we dub anti-Hawking phenomena."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1911.02977","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/1911.02977/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":"2026-07-05T01:31:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BxyJTC2slbbajeVJ67dV1uIY4vt2UGpSP+hp9XiBlJh9NycjbKlKPXeCqolStUhhQ3hAYXxTlBFGYSWSUc2UAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T02:22:09.867804Z"},"content_sha256":"860eccd39b8c464132ef9f01338b755cd6c57d9666dd4c9533ceeeb3d6bc7bc6","schema_version":"1.0","event_id":"sha256:860eccd39b8c464132ef9f01338b755cd6c57d9666dd4c9533ceeeb3d6bc7bc6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YRRO57EB4J4Y6OCUQSSBUVRGU4/bundle.json","state_url":"https://pith.science/pith/YRRO57EB4J4Y6OCUQSSBUVRGU4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YRRO57EB4J4Y6OCUQSSBUVRGU4/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":"2026-08-13T02:22:09Z","links":{"resolver":"https://pith.science/pith/YRRO57EB4J4Y6OCUQSSBUVRGU4","bundle":"https://pith.science/pith/YRRO57EB4J4Y6OCUQSSBUVRGU4/bundle.json","state":"https://pith.science/pith/YRRO57EB4J4Y6OCUQSSBUVRGU4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YRRO57EB4J4Y6OCUQSSBUVRGU4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:YRRO57EB4J4Y6OCUQSSBUVRGU4","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":"d94aef2024a0f5130e88571f892d098702dd44bed86446f402f9a64a4eaf048f","cross_cats_sorted":["hep-th","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-11-08T01:44:50Z","title_canon_sha256":"c2ff1b90adf31a6fa2f493c6a9f9b973a3f3a43b74982ede34d9c7aa30af4c09"},"schema_version":"1.0","source":{"id":"1911.02977","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1911.02977","created_at":"2026-07-05T01:31:50Z"},{"alias_kind":"arxiv_version","alias_value":"1911.02977v1","created_at":"2026-07-05T01:31:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1911.02977","created_at":"2026-07-05T01:31:50Z"},{"alias_kind":"pith_short_12","alias_value":"YRRO57EB4J4Y","created_at":"2026-07-05T01:31:50Z"},{"alias_kind":"pith_short_16","alias_value":"YRRO57EB4J4Y6OCU","created_at":"2026-07-05T01:31:50Z"},{"alias_kind":"pith_short_8","alias_value":"YRRO57EB","created_at":"2026-07-05T01:31:50Z"}],"graph_snapshots":[{"event_id":"sha256:860eccd39b8c464132ef9f01338b755cd6c57d9666dd4c9533ceeeb3d6bc7bc6","target":"graph","created_at":"2026-07-05T01:31:50Z","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/1911.02977/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Unruh effect is a surprising prediction of quantum field theory that asserts accelerating observers perceive a thermal spectrum of particles with a temperature proportional to their acceleration. However, it has recently been shown that particle detectors can click less often or even cool down as their acceleration increases, in contrast to the heating one would expect. This leads to the so called anti-Unruh phenomena. Here we consider detectors outside a BTZ black hole and demonstrate the existence of black hole analogues of these effects, which we dub anti-Hawking phenomena.","authors_text":"Alexander R. H. Smith, Jialin Zhang, Laura J. Henderson, Robert B. Mann, Robie A. Hennigar","cross_cats":["hep-th","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-11-08T01:44:50Z","title":"The BTZ black hole exhibits anti-Hawking phenomena"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1911.02977","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":"sha256:900c39088fbd8f69a016af12b044075c3d252aad3cc006ebb185a54bd280788b","target":"record","created_at":"2026-07-05T01:31:50Z","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":"d94aef2024a0f5130e88571f892d098702dd44bed86446f402f9a64a4eaf048f","cross_cats_sorted":["hep-th","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-11-08T01:44:50Z","title_canon_sha256":"c2ff1b90adf31a6fa2f493c6a9f9b973a3f3a43b74982ede34d9c7aa30af4c09"},"schema_version":"1.0","source":{"id":"1911.02977","kind":"arxiv","version":1}},"canonical_sha256":"c462eefc81e2798f385484a41a5626a72307af8b643f147ce0837ef6adb52572","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c462eefc81e2798f385484a41a5626a72307af8b643f147ce0837ef6adb52572","first_computed_at":"2026-07-05T01:31:50.214917Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:31:50.214917Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rGXBBNlxXlmgQHTVz1/5UEpr/wwMvgBOTvy0rjvjDKMWWNwrrbtIRuhgO4SXM3XSnHdiFgzr2s3ds36ymFl/Bg==","signature_status":"signed_v1","signed_at":"2026-07-05T01:31:50.215360Z","signed_message":"canonical_sha256_bytes"},"source_id":"1911.02977","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:900c39088fbd8f69a016af12b044075c3d252aad3cc006ebb185a54bd280788b","sha256:860eccd39b8c464132ef9f01338b755cd6c57d9666dd4c9533ceeeb3d6bc7bc6"],"state_sha256":"aa497ac38988b2ac83630d8a6314422003c73f867318a8597bf2f823a901d1a3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0kj1PieSudrMPMLw/C9v/Aki4t00/AeXa612AnXVdxlBfkP9dDZm7PxdNWX4UY0am30bMTFa0R++jFTw/SyuCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T02:22:09.870126Z","bundle_sha256":"7641fa5e1c12014de16ee4e466d1503b157152f90abb7dbb0e6b5156bbf67f4c"}}