{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:PCPHV7ABQ5M7TGTYFXODY6F3HO","short_pith_number":"pith:PCPHV7AB","canonical_record":{"source":{"id":"2003.03783","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2020-03-08T13:43:57Z","cross_cats_sorted":[],"title_canon_sha256":"58043d1956ae0bcbaef3e616b3b8f4db97668b1d9751e019621b49b0d37b8a52","abstract_canon_sha256":"736987622dc65e0233341d5ae452da854029f51e7101aa721ad4cdb68b8f8420"},"schema_version":"1.0"},"canonical_sha256":"789e7afc018759f99a782ddc3c78bb3bac05e372f94a4a45d44a3005e6a833c4","source":{"kind":"arxiv","id":"2003.03783","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2003.03783","created_at":"2026-07-05T01:13:02Z"},{"alias_kind":"arxiv_version","alias_value":"2003.03783v1","created_at":"2026-07-05T01:13:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2003.03783","created_at":"2026-07-05T01:13:02Z"},{"alias_kind":"pith_short_12","alias_value":"PCPHV7ABQ5M7","created_at":"2026-07-05T01:13:02Z"},{"alias_kind":"pith_short_16","alias_value":"PCPHV7ABQ5M7TGTY","created_at":"2026-07-05T01:13:02Z"},{"alias_kind":"pith_short_8","alias_value":"PCPHV7AB","created_at":"2026-07-05T01:13:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:PCPHV7ABQ5M7TGTYFXODY6F3HO","target":"record","payload":{"canonical_record":{"source":{"id":"2003.03783","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2020-03-08T13:43:57Z","cross_cats_sorted":[],"title_canon_sha256":"58043d1956ae0bcbaef3e616b3b8f4db97668b1d9751e019621b49b0d37b8a52","abstract_canon_sha256":"736987622dc65e0233341d5ae452da854029f51e7101aa721ad4cdb68b8f8420"},"schema_version":"1.0"},"canonical_sha256":"789e7afc018759f99a782ddc3c78bb3bac05e372f94a4a45d44a3005e6a833c4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:13:02.397869Z","signature_b64":"xatHRlkuVCBhe/T85PAYWwprNv/N9rvK0++QHJN3UWOEdgfgLvfndXH9krMOsRcmGK594WF9lroyAIY43+GVDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"789e7afc018759f99a782ddc3c78bb3bac05e372f94a4a45d44a3005e6a833c4","last_reissued_at":"2026-07-05T01:13:02.397383Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:13:02.397383Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2003.03783","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":"2026-07-05T01:13:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Y61bcq+WfBaYpiy2eKEsNSM7GyLgkVWqyfHemATknfZqntZqXA7vGCBGwZYgJGAud3622pTd2u4vH/pvwjpTDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T13:30:20.389881Z"},"content_sha256":"5ddadb72c5f11f026265193cc9af420e8adb18c0278003345ee28f8695cca8f7","schema_version":"1.0","event_id":"sha256:5ddadb72c5f11f026265193cc9af420e8adb18c0278003345ee28f8695cca8f7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:PCPHV7ABQ5M7TGTYFXODY6F3HO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum fluctuation of entanglement for accelerated two-level detectors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Shuaibo Geng, Shuo Cao, Sixuan Zhang, Tonghua Liu, Yujie Lian, Yuting Liu","submitted_at":"2020-03-08T13:43:57Z","abstract_excerpt":"Quantum entanglement as the one of the most general quantum resources, can be quantified by von Neumann entropy. However, as we know, the von Neumann entropy is only statistical quantity or operator, it therefore has fluctuation. The quantum fluctuation of entanglement (QFE) between Unruh-Dewitt detector modeled by a two-level atom is investigated in a relativistic setting. The Unruh radiation and quantum fluctuation effects affect the precise measurement of quantum entanglement. Inspired by this we present how the relativistic motion effects QFE for two entangled Unruh-Dewitt detectors when o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2003.03783","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/2003.03783/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":"2026-07-05T01:13:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uaLfhIiVaS8fBHGLEXbkBzdiCfo+0DTLBmFqpG6zZczRbWZ3/wTBxJiZLNi3YgM9msrIMudvfrNxsiYAcetmAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T13:30:20.390255Z"},"content_sha256":"6397b4f151d9c50cf9ba91786a32fd0166576accf7eb939e8958d4152b1e136d","schema_version":"1.0","event_id":"sha256:6397b4f151d9c50cf9ba91786a32fd0166576accf7eb939e8958d4152b1e136d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PCPHV7ABQ5M7TGTYFXODY6F3HO/bundle.json","state_url":"https://pith.science/pith/PCPHV7ABQ5M7TGTYFXODY6F3HO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PCPHV7ABQ5M7TGTYFXODY6F3HO/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":"2026-07-07T13:30:20Z","links":{"resolver":"https://pith.science/pith/PCPHV7ABQ5M7TGTYFXODY6F3HO","bundle":"https://pith.science/pith/PCPHV7ABQ5M7TGTYFXODY6F3HO/bundle.json","state":"https://pith.science/pith/PCPHV7ABQ5M7TGTYFXODY6F3HO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PCPHV7ABQ5M7TGTYFXODY6F3HO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:PCPHV7ABQ5M7TGTYFXODY6F3HO","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":"736987622dc65e0233341d5ae452da854029f51e7101aa721ad4cdb68b8f8420","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2020-03-08T13:43:57Z","title_canon_sha256":"58043d1956ae0bcbaef3e616b3b8f4db97668b1d9751e019621b49b0d37b8a52"},"schema_version":"1.0","source":{"id":"2003.03783","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2003.03783","created_at":"2026-07-05T01:13:02Z"},{"alias_kind":"arxiv_version","alias_value":"2003.03783v1","created_at":"2026-07-05T01:13:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2003.03783","created_at":"2026-07-05T01:13:02Z"},{"alias_kind":"pith_short_12","alias_value":"PCPHV7ABQ5M7","created_at":"2026-07-05T01:13:02Z"},{"alias_kind":"pith_short_16","alias_value":"PCPHV7ABQ5M7TGTY","created_at":"2026-07-05T01:13:02Z"},{"alias_kind":"pith_short_8","alias_value":"PCPHV7AB","created_at":"2026-07-05T01:13:02Z"}],"graph_snapshots":[{"event_id":"sha256:6397b4f151d9c50cf9ba91786a32fd0166576accf7eb939e8958d4152b1e136d","target":"graph","created_at":"2026-07-05T01:13:02Z","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/2003.03783/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Quantum entanglement as the one of the most general quantum resources, can be quantified by von Neumann entropy. However, as we know, the von Neumann entropy is only statistical quantity or operator, it therefore has fluctuation. The quantum fluctuation of entanglement (QFE) between Unruh-Dewitt detector modeled by a two-level atom is investigated in a relativistic setting. The Unruh radiation and quantum fluctuation effects affect the precise measurement of quantum entanglement. Inspired by this we present how the relativistic motion effects QFE for two entangled Unruh-Dewitt detectors when o","authors_text":"Shuaibo Geng, Shuo Cao, Sixuan Zhang, Tonghua Liu, Yujie Lian, Yuting Liu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2020-03-08T13:43:57Z","title":"Quantum fluctuation of entanglement for accelerated two-level detectors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2003.03783","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":"sha256:5ddadb72c5f11f026265193cc9af420e8adb18c0278003345ee28f8695cca8f7","target":"record","created_at":"2026-07-05T01:13:02Z","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":"736987622dc65e0233341d5ae452da854029f51e7101aa721ad4cdb68b8f8420","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2020-03-08T13:43:57Z","title_canon_sha256":"58043d1956ae0bcbaef3e616b3b8f4db97668b1d9751e019621b49b0d37b8a52"},"schema_version":"1.0","source":{"id":"2003.03783","kind":"arxiv","version":1}},"canonical_sha256":"789e7afc018759f99a782ddc3c78bb3bac05e372f94a4a45d44a3005e6a833c4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"789e7afc018759f99a782ddc3c78bb3bac05e372f94a4a45d44a3005e6a833c4","first_computed_at":"2026-07-05T01:13:02.397383Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:13:02.397383Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xatHRlkuVCBhe/T85PAYWwprNv/N9rvK0++QHJN3UWOEdgfgLvfndXH9krMOsRcmGK594WF9lroyAIY43+GVDg==","signature_status":"signed_v1","signed_at":"2026-07-05T01:13:02.397869Z","signed_message":"canonical_sha256_bytes"},"source_id":"2003.03783","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5ddadb72c5f11f026265193cc9af420e8adb18c0278003345ee28f8695cca8f7","sha256:6397b4f151d9c50cf9ba91786a32fd0166576accf7eb939e8958d4152b1e136d"],"state_sha256":"b4113445d0972bbaa2f62174d3628b6bbd56f3a134670ee10080466179428583"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2LFkDd1OVGc3tRcIX/nIAl3e9T/oEdNIZn9EZgDR+HEcpBsGOEiz5Zm4L4OPkVPNJfJm3WNxTKZBXhihZLLgAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T13:30:20.392185Z","bundle_sha256":"330d3945ac433d6c71dbe788003c27e99e1e51eefff7646ac425a548077e1e2a"}}