{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:JETYYEB7ZD4B52ALKSAYG6YDJG","short_pith_number":"pith:JETYYEB7","canonical_record":{"source":{"id":"1802.05954","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-02-16T14:40:21Z","cross_cats_sorted":["cond-mat.stat-mech","quant-ph"],"title_canon_sha256":"a776f32c6994d037c51eab854400092f985abcf3d770f2dd281b1d13c205c8e5","abstract_canon_sha256":"669d2f7025c01834c6ed8e904101a1b92aa8ece8be9121339cfaa7d511012b4e"},"schema_version":"1.0"},"canonical_sha256":"49278c103fc8f81ee80b5481837b034980cdbc47486935fd39beabaa28cbef4c","source":{"kind":"arxiv","id":"1802.05954","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.05954","created_at":"2026-05-17T23:47:03Z"},{"alias_kind":"arxiv_version","alias_value":"1802.05954v2","created_at":"2026-05-17T23:47:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.05954","created_at":"2026-05-17T23:47:03Z"},{"alias_kind":"pith_short_12","alias_value":"JETYYEB7ZD4B","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"JETYYEB7ZD4B52AL","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"JETYYEB7","created_at":"2026-05-18T12:32:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:JETYYEB7ZD4B52ALKSAYG6YDJG","target":"record","payload":{"canonical_record":{"source":{"id":"1802.05954","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-02-16T14:40:21Z","cross_cats_sorted":["cond-mat.stat-mech","quant-ph"],"title_canon_sha256":"a776f32c6994d037c51eab854400092f985abcf3d770f2dd281b1d13c205c8e5","abstract_canon_sha256":"669d2f7025c01834c6ed8e904101a1b92aa8ece8be9121339cfaa7d511012b4e"},"schema_version":"1.0"},"canonical_sha256":"49278c103fc8f81ee80b5481837b034980cdbc47486935fd39beabaa28cbef4c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:47:03.515744Z","signature_b64":"HUWZki724pDvOlITsmUX1n5USK3GcBSHn1CTJiPf0uMjeDZDlI1n81Nr2Y2bKOU7G+K53z9ZFXNod1bd1BXXBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"49278c103fc8f81ee80b5481837b034980cdbc47486935fd39beabaa28cbef4c","last_reissued_at":"2026-05-17T23:47:03.515028Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:47:03.515028Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1802.05954","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":"2026-05-17T23:47:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ELkB6cI9u4a7SA9jdAOGQHE76+S9emfaYM3UeDP1OIlrdakkLLFhmupj1h4WQVYWFPa4FD7of+KJdMF/ocBIAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T20:22:46.119449Z"},"content_sha256":"798f6caf0f480268dd1c336a88cd687da0d501c8e7da4bdaef5f30adda4af8fb","schema_version":"1.0","event_id":"sha256:798f6caf0f480268dd1c336a88cd687da0d501c8e7da4bdaef5f30adda4af8fb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:JETYYEB7ZD4B52ALKSAYG6YDJG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dynamics of decoherence of an entangled pair of qubits locally connected to a one-dimensional disordered spin chain","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech","quant-ph"],"primary_cat":"cond-mat.mes-hall","authors_text":"Sudip Mukherjee, Tanay Nag","submitted_at":"2018-02-16T14:40:21Z","abstract_excerpt":"We study the non-equilibrium evolution of concurrence of a Bell pair constituted of two qubits, through the measurement of Loschmidt echo (LE) under the scope of generalized central spin model. Having detected the Griffiths phase via derivative of LE in equilibrium, we show that in the non-equilibrium situation, the spin chain requires a temporal window to realize the effect of disorder. We show that within this timescale, LE falls off exponentially and this decay is maximally controlled by the initial states and coupling strength. Our detail investigation suggests that there actually exist th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.05954","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":"2026-05-17T23:47:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2hEqlEaxmry3wiKFWcP5brdv18jD+Noz3HT2deFE2sk5rUZTBCoe4DF2uZzuF+6gYmD0cvo8YD/RDIr40I3lAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T20:22:46.119800Z"},"content_sha256":"c0988a66024d488fbbda79ccd8590d961238765822d79c5f02ac871f5440d421","schema_version":"1.0","event_id":"sha256:c0988a66024d488fbbda79ccd8590d961238765822d79c5f02ac871f5440d421"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JETYYEB7ZD4B52ALKSAYG6YDJG/bundle.json","state_url":"https://pith.science/pith/JETYYEB7ZD4B52ALKSAYG6YDJG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JETYYEB7ZD4B52ALKSAYG6YDJG/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":"2026-05-31T20:22:46Z","links":{"resolver":"https://pith.science/pith/JETYYEB7ZD4B52ALKSAYG6YDJG","bundle":"https://pith.science/pith/JETYYEB7ZD4B52ALKSAYG6YDJG/bundle.json","state":"https://pith.science/pith/JETYYEB7ZD4B52ALKSAYG6YDJG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JETYYEB7ZD4B52ALKSAYG6YDJG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:JETYYEB7ZD4B52ALKSAYG6YDJG","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":"669d2f7025c01834c6ed8e904101a1b92aa8ece8be9121339cfaa7d511012b4e","cross_cats_sorted":["cond-mat.stat-mech","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-02-16T14:40:21Z","title_canon_sha256":"a776f32c6994d037c51eab854400092f985abcf3d770f2dd281b1d13c205c8e5"},"schema_version":"1.0","source":{"id":"1802.05954","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.05954","created_at":"2026-05-17T23:47:03Z"},{"alias_kind":"arxiv_version","alias_value":"1802.05954v2","created_at":"2026-05-17T23:47:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.05954","created_at":"2026-05-17T23:47:03Z"},{"alias_kind":"pith_short_12","alias_value":"JETYYEB7ZD4B","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"JETYYEB7ZD4B52AL","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"JETYYEB7","created_at":"2026-05-18T12:32:31Z"}],"graph_snapshots":[{"event_id":"sha256:c0988a66024d488fbbda79ccd8590d961238765822d79c5f02ac871f5440d421","target":"graph","created_at":"2026-05-17T23:47:03Z","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 study the non-equilibrium evolution of concurrence of a Bell pair constituted of two qubits, through the measurement of Loschmidt echo (LE) under the scope of generalized central spin model. Having detected the Griffiths phase via derivative of LE in equilibrium, we show that in the non-equilibrium situation, the spin chain requires a temporal window to realize the effect of disorder. We show that within this timescale, LE falls off exponentially and this decay is maximally controlled by the initial states and coupling strength. Our detail investigation suggests that there actually exist th","authors_text":"Sudip Mukherjee, Tanay Nag","cross_cats":["cond-mat.stat-mech","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-02-16T14:40:21Z","title":"Dynamics of decoherence of an entangled pair of qubits locally connected to a one-dimensional disordered spin chain"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.05954","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":"sha256:798f6caf0f480268dd1c336a88cd687da0d501c8e7da4bdaef5f30adda4af8fb","target":"record","created_at":"2026-05-17T23:47:03Z","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":"669d2f7025c01834c6ed8e904101a1b92aa8ece8be9121339cfaa7d511012b4e","cross_cats_sorted":["cond-mat.stat-mech","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-02-16T14:40:21Z","title_canon_sha256":"a776f32c6994d037c51eab854400092f985abcf3d770f2dd281b1d13c205c8e5"},"schema_version":"1.0","source":{"id":"1802.05954","kind":"arxiv","version":2}},"canonical_sha256":"49278c103fc8f81ee80b5481837b034980cdbc47486935fd39beabaa28cbef4c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"49278c103fc8f81ee80b5481837b034980cdbc47486935fd39beabaa28cbef4c","first_computed_at":"2026-05-17T23:47:03.515028Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:47:03.515028Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HUWZki724pDvOlITsmUX1n5USK3GcBSHn1CTJiPf0uMjeDZDlI1n81Nr2Y2bKOU7G+K53z9ZFXNod1bd1BXXBg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:47:03.515744Z","signed_message":"canonical_sha256_bytes"},"source_id":"1802.05954","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:798f6caf0f480268dd1c336a88cd687da0d501c8e7da4bdaef5f30adda4af8fb","sha256:c0988a66024d488fbbda79ccd8590d961238765822d79c5f02ac871f5440d421"],"state_sha256":"a0af7e0c2ad93e7881c15094ea90cebbd91d98003c31e5b5250d4ac73ebc94dc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"h+ItqPMdmDjKNiLq9st9V+VjplugEN2AA6Jyf/XQ5FV6UTDqJt0NjBMqva6wcUFTedx9hPz2j0jOrA1flaYICQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T20:22:46.121794Z","bundle_sha256":"c2115cfc3c8680ee46149dd22c66ed9be77eb241ff72b904a01366cfea80b212"}}