{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:FHA7HHGYC6P4FBB2VV4W7H55BM","short_pith_number":"pith:FHA7HHGY","canonical_record":{"source":{"id":"1507.00612","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-07-02T15:05:02Z","cross_cats_sorted":["hep-th","quant-ph"],"title_canon_sha256":"aba54920f5f7f4d141f1d7cb3da3881fccd1d5a8f912e9aec669e5d114686062","abstract_canon_sha256":"8af4d53e99e218402cd903a8ad087f3d8abadb1e5b7c4ff83aec5de174a6639b"},"schema_version":"1.0"},"canonical_sha256":"29c1f39cd8179fc2843aad796f9fbd0b169929dc41b64cc72f8f6d6c11f30e8f","source":{"kind":"arxiv","id":"1507.00612","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.00612","created_at":"2026-05-18T01:24:24Z"},{"alias_kind":"arxiv_version","alias_value":"1507.00612v2","created_at":"2026-05-18T01:24:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.00612","created_at":"2026-05-18T01:24:24Z"},{"alias_kind":"pith_short_12","alias_value":"FHA7HHGYC6P4","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_16","alias_value":"FHA7HHGYC6P4FBB2","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_8","alias_value":"FHA7HHGY","created_at":"2026-05-18T12:29:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:FHA7HHGYC6P4FBB2VV4W7H55BM","target":"record","payload":{"canonical_record":{"source":{"id":"1507.00612","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-07-02T15:05:02Z","cross_cats_sorted":["hep-th","quant-ph"],"title_canon_sha256":"aba54920f5f7f4d141f1d7cb3da3881fccd1d5a8f912e9aec669e5d114686062","abstract_canon_sha256":"8af4d53e99e218402cd903a8ad087f3d8abadb1e5b7c4ff83aec5de174a6639b"},"schema_version":"1.0"},"canonical_sha256":"29c1f39cd8179fc2843aad796f9fbd0b169929dc41b64cc72f8f6d6c11f30e8f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:24:24.700342Z","signature_b64":"aMzpxsFDrIQRDVAiSzASvyk/8QxsNNFZK5ow+d1JtZc8W/F+OMA5W09MdRdj0FED9qMwcNUuqteFmzJSJctdBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"29c1f39cd8179fc2843aad796f9fbd0b169929dc41b64cc72f8f6d6c11f30e8f","last_reissued_at":"2026-05-18T01:24:24.699814Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:24:24.699814Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1507.00612","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":"2026-05-18T01:24:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"c0brBSLSt8H9AHkKJFshoQ2NKOqw2FiGFmkfnwg/cRSb1jfC4FxDw8jgR8IhMvMBfmUyZTvcA+DxZKSqm43WDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T18:59:41.092600Z"},"content_sha256":"a25323c066d510fc0b788baa32c62e49d2cb5021ab255c914346739f0e339323","schema_version":"1.0","event_id":"sha256:a25323c066d510fc0b788baa32c62e49d2cb5021ab255c914346739f0e339323"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:FHA7HHGYC6P4FBB2VV4W7H55BM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Killing quantum entanglement by acceleration or a black hole","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th","quant-ph"],"primary_cat":"gr-qc","authors_text":"Yue Dai, Yu Shi, Zhejun Shen","submitted_at":"2015-07-02T15:05:02Z","abstract_excerpt":"We consider two entangled accelerating qubits coupled with real scalar fields, each described by the Unruh-Wald model. It is demonstrated that because of the Unruh effect, the bipartite entanglement of the two qubits suddenly dies when the acceleration of one or more qubits are large enough. We also consider three entangled accelerating qubits in GHZ state and in W state, with equal acceleration-frequency ratio, and found that in either state, the tripartite entanglement suddenly dies at a certain value of acceleration-frequency ratio. The equivalence between the Rindler metric and the Schwarz"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.00612","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":""},"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":"2026-05-18T01:24:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IggwlkwtY//LWvIF1cPe8eTxCn4qh8sO20pqD+P3+WXbdG//FSxoFZdWa71nmGNzTOYuGsal+AiM9uumU79UAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T18:59:41.093342Z"},"content_sha256":"85df8510cf01af382feb2014e8260e0b1b2f58bf42b864eae1a37c629a482c2a","schema_version":"1.0","event_id":"sha256:85df8510cf01af382feb2014e8260e0b1b2f58bf42b864eae1a37c629a482c2a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FHA7HHGYC6P4FBB2VV4W7H55BM/bundle.json","state_url":"https://pith.science/pith/FHA7HHGYC6P4FBB2VV4W7H55BM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FHA7HHGYC6P4FBB2VV4W7H55BM/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":"2026-05-29T18:59:41Z","links":{"resolver":"https://pith.science/pith/FHA7HHGYC6P4FBB2VV4W7H55BM","bundle":"https://pith.science/pith/FHA7HHGYC6P4FBB2VV4W7H55BM/bundle.json","state":"https://pith.science/pith/FHA7HHGYC6P4FBB2VV4W7H55BM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FHA7HHGYC6P4FBB2VV4W7H55BM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:FHA7HHGYC6P4FBB2VV4W7H55BM","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":"8af4d53e99e218402cd903a8ad087f3d8abadb1e5b7c4ff83aec5de174a6639b","cross_cats_sorted":["hep-th","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-07-02T15:05:02Z","title_canon_sha256":"aba54920f5f7f4d141f1d7cb3da3881fccd1d5a8f912e9aec669e5d114686062"},"schema_version":"1.0","source":{"id":"1507.00612","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.00612","created_at":"2026-05-18T01:24:24Z"},{"alias_kind":"arxiv_version","alias_value":"1507.00612v2","created_at":"2026-05-18T01:24:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.00612","created_at":"2026-05-18T01:24:24Z"},{"alias_kind":"pith_short_12","alias_value":"FHA7HHGYC6P4","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_16","alias_value":"FHA7HHGYC6P4FBB2","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_8","alias_value":"FHA7HHGY","created_at":"2026-05-18T12:29:19Z"}],"graph_snapshots":[{"event_id":"sha256:85df8510cf01af382feb2014e8260e0b1b2f58bf42b864eae1a37c629a482c2a","target":"graph","created_at":"2026-05-18T01:24:24Z","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"},"paper":{"abstract_excerpt":"We consider two entangled accelerating qubits coupled with real scalar fields, each described by the Unruh-Wald model. It is demonstrated that because of the Unruh effect, the bipartite entanglement of the two qubits suddenly dies when the acceleration of one or more qubits are large enough. We also consider three entangled accelerating qubits in GHZ state and in W state, with equal acceleration-frequency ratio, and found that in either state, the tripartite entanglement suddenly dies at a certain value of acceleration-frequency ratio. The equivalence between the Rindler metric and the Schwarz","authors_text":"Yue Dai, Yu Shi, Zhejun Shen","cross_cats":["hep-th","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-07-02T15:05:02Z","title":"Killing quantum entanglement by acceleration or a black hole"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.00612","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:a25323c066d510fc0b788baa32c62e49d2cb5021ab255c914346739f0e339323","target":"record","created_at":"2026-05-18T01:24:24Z","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":"8af4d53e99e218402cd903a8ad087f3d8abadb1e5b7c4ff83aec5de174a6639b","cross_cats_sorted":["hep-th","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-07-02T15:05:02Z","title_canon_sha256":"aba54920f5f7f4d141f1d7cb3da3881fccd1d5a8f912e9aec669e5d114686062"},"schema_version":"1.0","source":{"id":"1507.00612","kind":"arxiv","version":2}},"canonical_sha256":"29c1f39cd8179fc2843aad796f9fbd0b169929dc41b64cc72f8f6d6c11f30e8f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"29c1f39cd8179fc2843aad796f9fbd0b169929dc41b64cc72f8f6d6c11f30e8f","first_computed_at":"2026-05-18T01:24:24.699814Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:24:24.699814Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aMzpxsFDrIQRDVAiSzASvyk/8QxsNNFZK5ow+d1JtZc8W/F+OMA5W09MdRdj0FED9qMwcNUuqteFmzJSJctdBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:24:24.700342Z","signed_message":"canonical_sha256_bytes"},"source_id":"1507.00612","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a25323c066d510fc0b788baa32c62e49d2cb5021ab255c914346739f0e339323","sha256:85df8510cf01af382feb2014e8260e0b1b2f58bf42b864eae1a37c629a482c2a"],"state_sha256":"3915b5b379be51ac774547d67bb09727b7d2256520887e6e04ef0f11b63b8aa8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nmDrlwd2XtVT+uoIi39hMNqKKzomrhRWc2xCOqYmPnoOtUQROcwG4mTpyz+OijAyL3y5w4TYtPti9C9+o+23BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T18:59:41.097428Z","bundle_sha256":"b8470f4e6b5c7aa25b3097b913f5ed7d70970dc7ddae99876f5a32e7da28bb2d"}}