{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:KMZOBT3IYDD3V6DL7IOGJQDMG3","short_pith_number":"pith:KMZOBT3I","canonical_record":{"source":{"id":"1906.02843","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-06-06T23:57:55Z","cross_cats_sorted":["gr-qc","hep-th"],"title_canon_sha256":"af96fc50bb151d6036f30204eda9bd86a0fd789bf2a894499cad8a58b35452b2","abstract_canon_sha256":"8f5449e43042eb492e7f09c36dbe48dbd0661fb45e93eab6f83cddba40e6c323"},"schema_version":"1.0"},"canonical_sha256":"5332e0cf68c0c7baf86bfa1c64c06c36d6478de13eeb0dadd8e3a1f76cc462f8","source":{"kind":"arxiv","id":"1906.02843","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.02843","created_at":"2026-07-05T00:08:59Z"},{"alias_kind":"arxiv_version","alias_value":"1906.02843v2","created_at":"2026-07-05T00:08:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.02843","created_at":"2026-07-05T00:08:59Z"},{"alias_kind":"pith_short_12","alias_value":"KMZOBT3IYDD3","created_at":"2026-07-05T00:08:59Z"},{"alias_kind":"pith_short_16","alias_value":"KMZOBT3IYDD3V6DL","created_at":"2026-07-05T00:08:59Z"},{"alias_kind":"pith_short_8","alias_value":"KMZOBT3I","created_at":"2026-07-05T00:08:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:KMZOBT3IYDD3V6DL7IOGJQDMG3","target":"record","payload":{"canonical_record":{"source":{"id":"1906.02843","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-06-06T23:57:55Z","cross_cats_sorted":["gr-qc","hep-th"],"title_canon_sha256":"af96fc50bb151d6036f30204eda9bd86a0fd789bf2a894499cad8a58b35452b2","abstract_canon_sha256":"8f5449e43042eb492e7f09c36dbe48dbd0661fb45e93eab6f83cddba40e6c323"},"schema_version":"1.0"},"canonical_sha256":"5332e0cf68c0c7baf86bfa1c64c06c36d6478de13eeb0dadd8e3a1f76cc462f8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:08:59.871635Z","signature_b64":"5fyhzqU92zItCY6rpMdavf9rjDq5b44ynYYEJKYCJiJJGw9EXPJfyPSGfiLJjVESgRbLnau/zEdevnJ+RgRKAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5332e0cf68c0c7baf86bfa1c64c06c36d6478de13eeb0dadd8e3a1f76cc462f8","last_reissued_at":"2026-07-05T00:08:59.871133Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:08:59.871133Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1906.02843","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":"2026-07-05T00:08:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"G9qzYLVvkbd2vpS2VOj5ge/w1YoXRbQKj8WwL724e5I0vggwTV1S3UED2WBp6E10ZysDGXFRy5IYgn66yUDjCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T12:37:17.432623Z"},"content_sha256":"59b06549e55323418c971058e54dbc2e68a4c8e0e92d6b6c2dbd4b31205e06a9","schema_version":"1.0","event_id":"sha256:59b06549e55323418c971058e54dbc2e68a4c8e0e92d6b6c2dbd4b31205e06a9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:KMZOBT3IYDD3V6DL7IOGJQDMG3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Entanglement extracted from vacuum into accelerated Unruh-DeWitt detectors and energy conservation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-th"],"primary_cat":"quant-ph","authors_text":"Gen Kimura, Jun-ichirou Koga, Kengo Maeda","submitted_at":"2019-06-06T23:57:55Z","abstract_excerpt":"We consider a pair of two-level Unruh-DeWitt detectors accelerated uniformly in the Minkowski vacuum of a massless neutral scalar field, and analyze, within the perturbation theory, the entanglement extracted from the vacuum into the Unruh-DeWitt detectors when the switching of the detectors are performed adiabatically enough at the asymptotic past and future. We consider the cases where the detectors are accelerated parallelly, anti-parallelly, and in differently orientated directions. We show that entanglement is extracted if they are accelerated anti-parallelly and the ratios of the excitat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.02843","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/1906.02843/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":"2026-07-05T00:08:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6y4uRWf6SH2XEODz0nLXgQ+LfsUV5CZnpm4L4FO0iXGSgh/57gDL+Ih1g4vbqANn6jlbWFEZh2N0bdbp90f7Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T12:37:17.433538Z"},"content_sha256":"96f9b6a0f9673ff77a81938c511fbabd0d08f4aea50a2182d5c2e07c345043af","schema_version":"1.0","event_id":"sha256:96f9b6a0f9673ff77a81938c511fbabd0d08f4aea50a2182d5c2e07c345043af"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KMZOBT3IYDD3V6DL7IOGJQDMG3/bundle.json","state_url":"https://pith.science/pith/KMZOBT3IYDD3V6DL7IOGJQDMG3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KMZOBT3IYDD3V6DL7IOGJQDMG3/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":"2026-08-18T12:37:17Z","links":{"resolver":"https://pith.science/pith/KMZOBT3IYDD3V6DL7IOGJQDMG3","bundle":"https://pith.science/pith/KMZOBT3IYDD3V6DL7IOGJQDMG3/bundle.json","state":"https://pith.science/pith/KMZOBT3IYDD3V6DL7IOGJQDMG3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KMZOBT3IYDD3V6DL7IOGJQDMG3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:KMZOBT3IYDD3V6DL7IOGJQDMG3","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":"8f5449e43042eb492e7f09c36dbe48dbd0661fb45e93eab6f83cddba40e6c323","cross_cats_sorted":["gr-qc","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-06-06T23:57:55Z","title_canon_sha256":"af96fc50bb151d6036f30204eda9bd86a0fd789bf2a894499cad8a58b35452b2"},"schema_version":"1.0","source":{"id":"1906.02843","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.02843","created_at":"2026-07-05T00:08:59Z"},{"alias_kind":"arxiv_version","alias_value":"1906.02843v2","created_at":"2026-07-05T00:08:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.02843","created_at":"2026-07-05T00:08:59Z"},{"alias_kind":"pith_short_12","alias_value":"KMZOBT3IYDD3","created_at":"2026-07-05T00:08:59Z"},{"alias_kind":"pith_short_16","alias_value":"KMZOBT3IYDD3V6DL","created_at":"2026-07-05T00:08:59Z"},{"alias_kind":"pith_short_8","alias_value":"KMZOBT3I","created_at":"2026-07-05T00:08:59Z"}],"graph_snapshots":[{"event_id":"sha256:96f9b6a0f9673ff77a81938c511fbabd0d08f4aea50a2182d5c2e07c345043af","target":"graph","created_at":"2026-07-05T00:08:59Z","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/1906.02843/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We consider a pair of two-level Unruh-DeWitt detectors accelerated uniformly in the Minkowski vacuum of a massless neutral scalar field, and analyze, within the perturbation theory, the entanglement extracted from the vacuum into the Unruh-DeWitt detectors when the switching of the detectors are performed adiabatically enough at the asymptotic past and future. We consider the cases where the detectors are accelerated parallelly, anti-parallelly, and in differently orientated directions. We show that entanglement is extracted if they are accelerated anti-parallelly and the ratios of the excitat","authors_text":"Gen Kimura, Jun-ichirou Koga, Kengo Maeda","cross_cats":["gr-qc","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-06-06T23:57:55Z","title":"Entanglement extracted from vacuum into accelerated Unruh-DeWitt detectors and energy conservation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.02843","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":"sha256:59b06549e55323418c971058e54dbc2e68a4c8e0e92d6b6c2dbd4b31205e06a9","target":"record","created_at":"2026-07-05T00:08:59Z","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":"8f5449e43042eb492e7f09c36dbe48dbd0661fb45e93eab6f83cddba40e6c323","cross_cats_sorted":["gr-qc","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-06-06T23:57:55Z","title_canon_sha256":"af96fc50bb151d6036f30204eda9bd86a0fd789bf2a894499cad8a58b35452b2"},"schema_version":"1.0","source":{"id":"1906.02843","kind":"arxiv","version":2}},"canonical_sha256":"5332e0cf68c0c7baf86bfa1c64c06c36d6478de13eeb0dadd8e3a1f76cc462f8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5332e0cf68c0c7baf86bfa1c64c06c36d6478de13eeb0dadd8e3a1f76cc462f8","first_computed_at":"2026-07-05T00:08:59.871133Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:08:59.871133Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5fyhzqU92zItCY6rpMdavf9rjDq5b44ynYYEJKYCJiJJGw9EXPJfyPSGfiLJjVESgRbLnau/zEdevnJ+RgRKAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T00:08:59.871635Z","signed_message":"canonical_sha256_bytes"},"source_id":"1906.02843","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:59b06549e55323418c971058e54dbc2e68a4c8e0e92d6b6c2dbd4b31205e06a9","sha256:96f9b6a0f9673ff77a81938c511fbabd0d08f4aea50a2182d5c2e07c345043af"],"state_sha256":"af7a42ccc9088de8100cbf25ca56934bec872ba7f4d4b3d9aafa4ecc2c9466ed"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bPnjHZTikvFga4kbqrn7/ZA5r861qYEylLkagjIkI9pXLe25T9YKCAEurnVzuUwXrunrEGhd3jMKbq4oOgI4DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T12:37:17.439841Z","bundle_sha256":"54dbc33798703099c43a135286260b2cd2b1c5f6726b38725422d0880f63fc23"}}