{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:DME3EQQ7YJCY4N3PFJMOUURGBW","short_pith_number":"pith:DME3EQQ7","canonical_record":{"source":{"id":"1109.0147","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-09-01T10:40:07Z","cross_cats_sorted":[],"title_canon_sha256":"82935ea70e6096b57d7e928c080b501a56dc55c4486e867ab127938c8f066826","abstract_canon_sha256":"a7092a84bd15ac8f8c22d8c53709ddd256e72c3464578bc74738335faac7058c"},"schema_version":"1.0"},"canonical_sha256":"1b09b2421fc2458e376f2a58ea52260d8133f66ad0ba69b3f1bc1989378cb0e2","source":{"kind":"arxiv","id":"1109.0147","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.0147","created_at":"2026-05-18T03:23:46Z"},{"alias_kind":"arxiv_version","alias_value":"1109.0147v4","created_at":"2026-05-18T03:23:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.0147","created_at":"2026-05-18T03:23:46Z"},{"alias_kind":"pith_short_12","alias_value":"DME3EQQ7YJCY","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_16","alias_value":"DME3EQQ7YJCY4N3P","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_8","alias_value":"DME3EQQ7","created_at":"2026-05-18T12:26:26Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:DME3EQQ7YJCY4N3PFJMOUURGBW","target":"record","payload":{"canonical_record":{"source":{"id":"1109.0147","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-09-01T10:40:07Z","cross_cats_sorted":[],"title_canon_sha256":"82935ea70e6096b57d7e928c080b501a56dc55c4486e867ab127938c8f066826","abstract_canon_sha256":"a7092a84bd15ac8f8c22d8c53709ddd256e72c3464578bc74738335faac7058c"},"schema_version":"1.0"},"canonical_sha256":"1b09b2421fc2458e376f2a58ea52260d8133f66ad0ba69b3f1bc1989378cb0e2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:23:46.880645Z","signature_b64":"ee7gqcUApgN71zagN7HlaUJHBq9MqDyp7JVhfWHaiAzMUWMtdLRnGvywy0AA6MMglEmYcS3P3dWsPeYcwCRgDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1b09b2421fc2458e376f2a58ea52260d8133f66ad0ba69b3f1bc1989378cb0e2","last_reissued_at":"2026-05-18T03:23:46.879880Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:23:46.879880Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1109.0147","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:23:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oBet0X+j+1s/FzECuo67Jj/23kXsAz0wBnExgG1pIXPa6DVntK0uu4/JT65n35zj66XbqREiHHpNBVdyMwRfAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T04:46:32.007454Z"},"content_sha256":"6bfc550da6aa783c10834ebb5c554a25ba6eeac81361011e02b5891f1d402776","schema_version":"1.0","event_id":"sha256:6bfc550da6aa783c10834ebb5c554a25ba6eeac81361011e02b5891f1d402776"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:DME3EQQ7YJCY4N3PFJMOUURGBW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Decoherence and the Nature of System-Environment Correlations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"A. Pernice, W. T. Strunz","submitted_at":"2011-09-01T10:40:07Z","abstract_excerpt":"We investigate system-environment correlations based on the exact dynamics of a qubit and its environment in the framework of pure decoherence (phase damping). We focus on the relation of decoherence and the build-up of system-reservoir entanglement for an arbitrary (possibly mixed) initial qubit state. In the commonly employed regime where the qubit dynamics can be described by a Markov master equation of Lindblad type, we find that for almost all qubit initial states inside the Bloch sphere, decoherence is complete while the total state is still separable - no entanglement is involved. In ge"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.0147","kind":"arxiv","version":4},"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":"2026-05-18T03:23:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3Xrfp3x12pjEoyvlML0USQpQH7wZwhXTR96J59J4u5FwW2zFtuuMohi3HTNpUoOxCsOr99VmQy88HxZM5QUgAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T04:46:32.007799Z"},"content_sha256":"5a10a2fcc501dfcc1cb163d6c27f8c30f0a6b5c022de7cc919304eb75989fe82","schema_version":"1.0","event_id":"sha256:5a10a2fcc501dfcc1cb163d6c27f8c30f0a6b5c022de7cc919304eb75989fe82"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DME3EQQ7YJCY4N3PFJMOUURGBW/bundle.json","state_url":"https://pith.science/pith/DME3EQQ7YJCY4N3PFJMOUURGBW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DME3EQQ7YJCY4N3PFJMOUURGBW/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":"2026-06-03T04:46:32Z","links":{"resolver":"https://pith.science/pith/DME3EQQ7YJCY4N3PFJMOUURGBW","bundle":"https://pith.science/pith/DME3EQQ7YJCY4N3PFJMOUURGBW/bundle.json","state":"https://pith.science/pith/DME3EQQ7YJCY4N3PFJMOUURGBW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DME3EQQ7YJCY4N3PFJMOUURGBW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:DME3EQQ7YJCY4N3PFJMOUURGBW","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":"a7092a84bd15ac8f8c22d8c53709ddd256e72c3464578bc74738335faac7058c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-09-01T10:40:07Z","title_canon_sha256":"82935ea70e6096b57d7e928c080b501a56dc55c4486e867ab127938c8f066826"},"schema_version":"1.0","source":{"id":"1109.0147","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.0147","created_at":"2026-05-18T03:23:46Z"},{"alias_kind":"arxiv_version","alias_value":"1109.0147v4","created_at":"2026-05-18T03:23:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.0147","created_at":"2026-05-18T03:23:46Z"},{"alias_kind":"pith_short_12","alias_value":"DME3EQQ7YJCY","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_16","alias_value":"DME3EQQ7YJCY4N3P","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_8","alias_value":"DME3EQQ7","created_at":"2026-05-18T12:26:26Z"}],"graph_snapshots":[{"event_id":"sha256:5a10a2fcc501dfcc1cb163d6c27f8c30f0a6b5c022de7cc919304eb75989fe82","target":"graph","created_at":"2026-05-18T03:23:46Z","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 investigate system-environment correlations based on the exact dynamics of a qubit and its environment in the framework of pure decoherence (phase damping). We focus on the relation of decoherence and the build-up of system-reservoir entanglement for an arbitrary (possibly mixed) initial qubit state. In the commonly employed regime where the qubit dynamics can be described by a Markov master equation of Lindblad type, we find that for almost all qubit initial states inside the Bloch sphere, decoherence is complete while the total state is still separable - no entanglement is involved. In ge","authors_text":"A. Pernice, W. T. Strunz","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-09-01T10:40:07Z","title":"Decoherence and the Nature of System-Environment Correlations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.0147","kind":"arxiv","version":4},"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":"sha256:6bfc550da6aa783c10834ebb5c554a25ba6eeac81361011e02b5891f1d402776","target":"record","created_at":"2026-05-18T03:23:46Z","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":"a7092a84bd15ac8f8c22d8c53709ddd256e72c3464578bc74738335faac7058c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-09-01T10:40:07Z","title_canon_sha256":"82935ea70e6096b57d7e928c080b501a56dc55c4486e867ab127938c8f066826"},"schema_version":"1.0","source":{"id":"1109.0147","kind":"arxiv","version":4}},"canonical_sha256":"1b09b2421fc2458e376f2a58ea52260d8133f66ad0ba69b3f1bc1989378cb0e2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1b09b2421fc2458e376f2a58ea52260d8133f66ad0ba69b3f1bc1989378cb0e2","first_computed_at":"2026-05-18T03:23:46.879880Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:23:46.879880Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ee7gqcUApgN71zagN7HlaUJHBq9MqDyp7JVhfWHaiAzMUWMtdLRnGvywy0AA6MMglEmYcS3P3dWsPeYcwCRgDA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:23:46.880645Z","signed_message":"canonical_sha256_bytes"},"source_id":"1109.0147","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6bfc550da6aa783c10834ebb5c554a25ba6eeac81361011e02b5891f1d402776","sha256:5a10a2fcc501dfcc1cb163d6c27f8c30f0a6b5c022de7cc919304eb75989fe82"],"state_sha256":"949019eef81b90c6f88228262d8216127b97361eaf16b2683389b68b895827dc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Jdu6nKhE3LUMvvQNj1P/MXlPKii6yaGHdfXdL0c7ymc55mRMqSH9T2LN+UjERASnQv+xqNTTPyKnAN87tRd0DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T04:46:32.009804Z","bundle_sha256":"753e313c721613cf74c578c747f51d6103ee2fd0e577c13b3e0d13971852fa08"}}