{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:VBEY7GHWAUMR5U6GZAQPQOTCQJ","short_pith_number":"pith:VBEY7GHW","canonical_record":{"source":{"id":"2010.14517","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2020-10-27T18:00:01Z","cross_cats_sorted":["gr-qc","quant-ph"],"title_canon_sha256":"cbee6d155b38f0d8054fd8934d1ea840b67b5455da2fb2860dbe1ffa3280fcdc","abstract_canon_sha256":"e853c512cf001c3426d1937a3caf37738ef14bc9149582f24952269b541a14af"},"schema_version":"1.0"},"canonical_sha256":"a8498f98f605191ed3c6c820f83a6282531055e744bafe26e86e3b271882330f","source":{"kind":"arxiv","id":"2010.14517","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2010.14517","created_at":"2026-07-05T01:47:16Z"},{"alias_kind":"arxiv_version","alias_value":"2010.14517v1","created_at":"2026-07-05T01:47:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2010.14517","created_at":"2026-07-05T01:47:16Z"},{"alias_kind":"pith_short_12","alias_value":"VBEY7GHWAUMR","created_at":"2026-07-05T01:47:16Z"},{"alias_kind":"pith_short_16","alias_value":"VBEY7GHWAUMR5U6G","created_at":"2026-07-05T01:47:16Z"},{"alias_kind":"pith_short_8","alias_value":"VBEY7GHW","created_at":"2026-07-05T01:47:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:VBEY7GHWAUMR5U6GZAQPQOTCQJ","target":"record","payload":{"canonical_record":{"source":{"id":"2010.14517","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2020-10-27T18:00:01Z","cross_cats_sorted":["gr-qc","quant-ph"],"title_canon_sha256":"cbee6d155b38f0d8054fd8934d1ea840b67b5455da2fb2860dbe1ffa3280fcdc","abstract_canon_sha256":"e853c512cf001c3426d1937a3caf37738ef14bc9149582f24952269b541a14af"},"schema_version":"1.0"},"canonical_sha256":"a8498f98f605191ed3c6c820f83a6282531055e744bafe26e86e3b271882330f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:47:16.149141Z","signature_b64":"ymV+ip4THZJ5Hu1AlvKwG6VSJwn2Ycxp4DjRiEWD9w6rs5bheQkasj5x4h/+YHk81m8jVI+aBmhXUcAltbAsBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a8498f98f605191ed3c6c820f83a6282531055e744bafe26e86e3b271882330f","last_reissued_at":"2026-07-05T01:47:16.148763Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:47:16.148763Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2010.14517","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":"2026-07-05T01:47:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0IwxKK694U7th5jBZtBqrv8VIACz964sQqHeczuSQn/Ls5cfoFfIEH8tjsPv5w0Z9cpNOb1kYuVT+2PYR7IRAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T20:23:22.220771Z"},"content_sha256":"aa45b36bf84f16efad4189cffedc0ce420f72aec805c277e14f1643a1b195003","schema_version":"1.0","event_id":"sha256:aa45b36bf84f16efad4189cffedc0ce420f72aec805c277e14f1643a1b195003"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:VBEY7GHWAUMR5U6GZAQPQOTCQJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Entanglement Amplification from Rotating Black Holes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","quant-ph"],"primary_cat":"hep-th","authors_text":"Laura J. Henderson, Matthew P. G. Robbins, Robert B. Mann","submitted_at":"2020-10-27T18:00:01Z","abstract_excerpt":"The quantum vacuum has long been known to be characterized by field correlations between spacetime points. These correlations can be swapped with a pair of particle detectors, modelled as simple two-level quantum systems (Unruh-DeWitt detectors) via a process known as entanglement harvesting. We study this phenomenon in the presence of a rotating BTZ black hole, and find that rotation can significantly amplify the harvested vacuum entanglement. Concurrence between co-rotating detectors is amplified by as much as an order of magnitude at intermediate distances from the black hole relative to th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2010.14517","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/2010.14517/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":"2026-07-05T01:47:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"15SiHP4/7wyveOJwFGjSXTf8ZAc5CE+YBQgnf0F/3TwY/eEq6ii9z3Au9BbVpxVzIYxP4EZJA5USUqYn16F8Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T20:23:22.221473Z"},"content_sha256":"ad081c49cf87bb434fbe42389a48c874425d2a09076236cdb40fdcb0fd317912","schema_version":"1.0","event_id":"sha256:ad081c49cf87bb434fbe42389a48c874425d2a09076236cdb40fdcb0fd317912"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VBEY7GHWAUMR5U6GZAQPQOTCQJ/bundle.json","state_url":"https://pith.science/pith/VBEY7GHWAUMR5U6GZAQPQOTCQJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VBEY7GHWAUMR5U6GZAQPQOTCQJ/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":"2026-08-09T20:23:22Z","links":{"resolver":"https://pith.science/pith/VBEY7GHWAUMR5U6GZAQPQOTCQJ","bundle":"https://pith.science/pith/VBEY7GHWAUMR5U6GZAQPQOTCQJ/bundle.json","state":"https://pith.science/pith/VBEY7GHWAUMR5U6GZAQPQOTCQJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VBEY7GHWAUMR5U6GZAQPQOTCQJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:VBEY7GHWAUMR5U6GZAQPQOTCQJ","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":"e853c512cf001c3426d1937a3caf37738ef14bc9149582f24952269b541a14af","cross_cats_sorted":["gr-qc","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2020-10-27T18:00:01Z","title_canon_sha256":"cbee6d155b38f0d8054fd8934d1ea840b67b5455da2fb2860dbe1ffa3280fcdc"},"schema_version":"1.0","source":{"id":"2010.14517","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2010.14517","created_at":"2026-07-05T01:47:16Z"},{"alias_kind":"arxiv_version","alias_value":"2010.14517v1","created_at":"2026-07-05T01:47:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2010.14517","created_at":"2026-07-05T01:47:16Z"},{"alias_kind":"pith_short_12","alias_value":"VBEY7GHWAUMR","created_at":"2026-07-05T01:47:16Z"},{"alias_kind":"pith_short_16","alias_value":"VBEY7GHWAUMR5U6G","created_at":"2026-07-05T01:47:16Z"},{"alias_kind":"pith_short_8","alias_value":"VBEY7GHW","created_at":"2026-07-05T01:47:16Z"}],"graph_snapshots":[{"event_id":"sha256:ad081c49cf87bb434fbe42389a48c874425d2a09076236cdb40fdcb0fd317912","target":"graph","created_at":"2026-07-05T01:47:16Z","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/2010.14517/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The quantum vacuum has long been known to be characterized by field correlations between spacetime points. These correlations can be swapped with a pair of particle detectors, modelled as simple two-level quantum systems (Unruh-DeWitt detectors) via a process known as entanglement harvesting. We study this phenomenon in the presence of a rotating BTZ black hole, and find that rotation can significantly amplify the harvested vacuum entanglement. Concurrence between co-rotating detectors is amplified by as much as an order of magnitude at intermediate distances from the black hole relative to th","authors_text":"Laura J. Henderson, Matthew P. G. Robbins, Robert B. Mann","cross_cats":["gr-qc","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2020-10-27T18:00:01Z","title":"Entanglement Amplification from Rotating Black Holes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2010.14517","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:aa45b36bf84f16efad4189cffedc0ce420f72aec805c277e14f1643a1b195003","target":"record","created_at":"2026-07-05T01:47:16Z","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":"e853c512cf001c3426d1937a3caf37738ef14bc9149582f24952269b541a14af","cross_cats_sorted":["gr-qc","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2020-10-27T18:00:01Z","title_canon_sha256":"cbee6d155b38f0d8054fd8934d1ea840b67b5455da2fb2860dbe1ffa3280fcdc"},"schema_version":"1.0","source":{"id":"2010.14517","kind":"arxiv","version":1}},"canonical_sha256":"a8498f98f605191ed3c6c820f83a6282531055e744bafe26e86e3b271882330f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a8498f98f605191ed3c6c820f83a6282531055e744bafe26e86e3b271882330f","first_computed_at":"2026-07-05T01:47:16.148763Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:47:16.148763Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ymV+ip4THZJ5Hu1AlvKwG6VSJwn2Ycxp4DjRiEWD9w6rs5bheQkasj5x4h/+YHk81m8jVI+aBmhXUcAltbAsBw==","signature_status":"signed_v1","signed_at":"2026-07-05T01:47:16.149141Z","signed_message":"canonical_sha256_bytes"},"source_id":"2010.14517","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:aa45b36bf84f16efad4189cffedc0ce420f72aec805c277e14f1643a1b195003","sha256:ad081c49cf87bb434fbe42389a48c874425d2a09076236cdb40fdcb0fd317912"],"state_sha256":"056767263d08429f07fff34aad65413d8fceddc55f2cd1d7271467c9adbf89ae"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"I6Hnwi16+/OoDyBdvT+Asu/DoXUU+MRzzLupw5zCAqbIxIiLYi4T+zfFZ+8wZb82T+szfAb7kQAJ9SQs1lOxDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T20:23:22.225683Z","bundle_sha256":"49a5d7a52b4bb2ea9dee9ca9e90df1bf5995d5420a3aafc06fa2cbb818a56a56"}}