{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:LDF4JBERTS7CE6F5PCQBJFE6K4","short_pith_number":"pith:LDF4JBER","canonical_record":{"source":{"id":"1201.3695","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2012-01-18T05:53:12Z","cross_cats_sorted":["cond-mat.dis-nn","quant-ph"],"title_canon_sha256":"0cfdc4ca74782399ad1b8fbbd4decb5fe3a19a6756c2893331c4f91ec8ffa781","abstract_canon_sha256":"51ff6b50ee5d97eed2afaa9c27ae85ad27878beae92ea3dfbd8fb17fa4148aa8"},"schema_version":"1.0"},"canonical_sha256":"58cbc484919cbe2278bd78a014949e573a4a764a771f43f48e8191cfafb7eec9","source":{"kind":"arxiv","id":"1201.3695","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.3695","created_at":"2026-05-18T04:00:26Z"},{"alias_kind":"arxiv_version","alias_value":"1201.3695v2","created_at":"2026-05-18T04:00:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.3695","created_at":"2026-05-18T04:00:26Z"},{"alias_kind":"pith_short_12","alias_value":"LDF4JBERTS7C","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"LDF4JBERTS7CE6F5","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"LDF4JBER","created_at":"2026-05-18T12:27:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:LDF4JBERTS7CE6F5PCQBJFE6K4","target":"record","payload":{"canonical_record":{"source":{"id":"1201.3695","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2012-01-18T05:53:12Z","cross_cats_sorted":["cond-mat.dis-nn","quant-ph"],"title_canon_sha256":"0cfdc4ca74782399ad1b8fbbd4decb5fe3a19a6756c2893331c4f91ec8ffa781","abstract_canon_sha256":"51ff6b50ee5d97eed2afaa9c27ae85ad27878beae92ea3dfbd8fb17fa4148aa8"},"schema_version":"1.0"},"canonical_sha256":"58cbc484919cbe2278bd78a014949e573a4a764a771f43f48e8191cfafb7eec9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:00:26.370931Z","signature_b64":"rVXExKKqXKlttCQM85rxfb+rq6a59MzH3IMW9ePXFIsd5ldXKQGbdx95VR93bsynk7X8NFnXWC1FvYBISiYQBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"58cbc484919cbe2278bd78a014949e573a4a764a771f43f48e8191cfafb7eec9","last_reissued_at":"2026-05-18T04:00:26.370250Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:00:26.370250Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1201.3695","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":"2026-05-18T04:00:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"h4M+Weov7h9U5+Y6tDbdzmL1NfQkxHkgykPj/Q+NcHdNVAHQyf2OmBVLxoW9OTlVzdxn7JO9LU5RFbF3jWgaAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T14:24:41.053950Z"},"content_sha256":"ca48acf0fce591cb9439abb7f52e4a2a64400c83d01c98e31fd3f2636c4e4ead","schema_version":"1.0","event_id":"sha256:ca48acf0fce591cb9439abb7f52e4a2a64400c83d01c98e31fd3f2636c4e4ead"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:LDF4JBERTS7CE6F5PCQBJFE6K4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Entanglement entropy dynamics of disordered quantum spin chains","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.dis-nn","quant-ph"],"primary_cat":"cond-mat.stat-mech","authors_text":"Ferenc Igloi, Yu-Cheng Lin, Zsolt Szatmari","submitted_at":"2012-01-18T05:53:12Z","abstract_excerpt":"By means of free fermionic techniques we study the time evolution of the entanglement entropy, S(t), of a block of spins in the random transverse-field Ising chain after a sudden change of the parameters of the Hamiltonian. We consider global quenches, when the parameters are modified uniformly in space, as well as local quenches, when two disconnected blocks are suddenly joined together. For a non-critical final state, the dynamical entanglement entropy is found to approach a finite limiting value for both types of quenches. If the quench is performed to the critical state, the entropy grows "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.3695","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":"2026-05-18T04:00:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4NpMgopKac5OiVm0gy4OD5QeZ7TvXbaT97V4IT9a6xAbGystJUFPSkC70BDfHQmfYe3s/a/KrDAaqo6ACCz2Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T14:24:41.054823Z"},"content_sha256":"ec1f38300a9785b8c5e1c5de314b1fa0ea2107ff9e6e6933f0bf8e24acd3bc83","schema_version":"1.0","event_id":"sha256:ec1f38300a9785b8c5e1c5de314b1fa0ea2107ff9e6e6933f0bf8e24acd3bc83"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LDF4JBERTS7CE6F5PCQBJFE6K4/bundle.json","state_url":"https://pith.science/pith/LDF4JBERTS7CE6F5PCQBJFE6K4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LDF4JBERTS7CE6F5PCQBJFE6K4/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":"2026-05-31T14:24:41Z","links":{"resolver":"https://pith.science/pith/LDF4JBERTS7CE6F5PCQBJFE6K4","bundle":"https://pith.science/pith/LDF4JBERTS7CE6F5PCQBJFE6K4/bundle.json","state":"https://pith.science/pith/LDF4JBERTS7CE6F5PCQBJFE6K4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LDF4JBERTS7CE6F5PCQBJFE6K4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:LDF4JBERTS7CE6F5PCQBJFE6K4","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":"51ff6b50ee5d97eed2afaa9c27ae85ad27878beae92ea3dfbd8fb17fa4148aa8","cross_cats_sorted":["cond-mat.dis-nn","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2012-01-18T05:53:12Z","title_canon_sha256":"0cfdc4ca74782399ad1b8fbbd4decb5fe3a19a6756c2893331c4f91ec8ffa781"},"schema_version":"1.0","source":{"id":"1201.3695","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.3695","created_at":"2026-05-18T04:00:26Z"},{"alias_kind":"arxiv_version","alias_value":"1201.3695v2","created_at":"2026-05-18T04:00:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.3695","created_at":"2026-05-18T04:00:26Z"},{"alias_kind":"pith_short_12","alias_value":"LDF4JBERTS7C","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"LDF4JBERTS7CE6F5","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"LDF4JBER","created_at":"2026-05-18T12:27:14Z"}],"graph_snapshots":[{"event_id":"sha256:ec1f38300a9785b8c5e1c5de314b1fa0ea2107ff9e6e6933f0bf8e24acd3bc83","target":"graph","created_at":"2026-05-18T04:00:26Z","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":"By means of free fermionic techniques we study the time evolution of the entanglement entropy, S(t), of a block of spins in the random transverse-field Ising chain after a sudden change of the parameters of the Hamiltonian. We consider global quenches, when the parameters are modified uniformly in space, as well as local quenches, when two disconnected blocks are suddenly joined together. For a non-critical final state, the dynamical entanglement entropy is found to approach a finite limiting value for both types of quenches. If the quench is performed to the critical state, the entropy grows ","authors_text":"Ferenc Igloi, Yu-Cheng Lin, Zsolt Szatmari","cross_cats":["cond-mat.dis-nn","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2012-01-18T05:53:12Z","title":"Entanglement entropy dynamics of disordered quantum spin chains"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.3695","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:ca48acf0fce591cb9439abb7f52e4a2a64400c83d01c98e31fd3f2636c4e4ead","target":"record","created_at":"2026-05-18T04:00:26Z","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":"51ff6b50ee5d97eed2afaa9c27ae85ad27878beae92ea3dfbd8fb17fa4148aa8","cross_cats_sorted":["cond-mat.dis-nn","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2012-01-18T05:53:12Z","title_canon_sha256":"0cfdc4ca74782399ad1b8fbbd4decb5fe3a19a6756c2893331c4f91ec8ffa781"},"schema_version":"1.0","source":{"id":"1201.3695","kind":"arxiv","version":2}},"canonical_sha256":"58cbc484919cbe2278bd78a014949e573a4a764a771f43f48e8191cfafb7eec9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"58cbc484919cbe2278bd78a014949e573a4a764a771f43f48e8191cfafb7eec9","first_computed_at":"2026-05-18T04:00:26.370250Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:00:26.370250Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rVXExKKqXKlttCQM85rxfb+rq6a59MzH3IMW9ePXFIsd5ldXKQGbdx95VR93bsynk7X8NFnXWC1FvYBISiYQBw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:00:26.370931Z","signed_message":"canonical_sha256_bytes"},"source_id":"1201.3695","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ca48acf0fce591cb9439abb7f52e4a2a64400c83d01c98e31fd3f2636c4e4ead","sha256:ec1f38300a9785b8c5e1c5de314b1fa0ea2107ff9e6e6933f0bf8e24acd3bc83"],"state_sha256":"97b0a8ce526d6b25da070728bbb58dc81055a8bb4e1f74117e1ac5df07274d8b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MFoXCrVtryW/DIyZ4P3/MKHaYrz+xGlE+z+x/UvP77rAMJEJotPKtIBzQ7FldNxhhkMdcbaB9ukJpepLQlVQAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T14:24:41.059566Z","bundle_sha256":"b45a4e6843a3768bccf33e3992b4e376b11bd834fbd6f918c89d5d1fa1e08b77"}}