{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:RQYXWDZVZDMWX2ZEOBFYJJ2FJ7","short_pith_number":"pith:RQYXWDZV","canonical_record":{"source":{"id":"1805.01884","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2018-05-04T17:55:50Z","cross_cats_sorted":[],"title_canon_sha256":"23708e4e8f2b24906e4a5434209380fce671903e9e015bfb6b3a25e8f88cc680","abstract_canon_sha256":"247164e1b418a4b808a52f16084136793b9c8cacae20e6078fcebe8dfb68debb"},"schema_version":"1.0"},"canonical_sha256":"8c317b0f35c8d96beb24704b84a7454fd0050707d9f9adb5f37b19346eddd0ce","source":{"kind":"arxiv","id":"1805.01884","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.01884","created_at":"2026-05-18T00:05:39Z"},{"alias_kind":"arxiv_version","alias_value":"1805.01884v2","created_at":"2026-05-18T00:05:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.01884","created_at":"2026-05-18T00:05:39Z"},{"alias_kind":"pith_short_12","alias_value":"RQYXWDZVZDMW","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_16","alias_value":"RQYXWDZVZDMWX2ZE","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_8","alias_value":"RQYXWDZV","created_at":"2026-05-18T12:32:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:RQYXWDZVZDMWX2ZEOBFYJJ2FJ7","target":"record","payload":{"canonical_record":{"source":{"id":"1805.01884","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2018-05-04T17:55:50Z","cross_cats_sorted":[],"title_canon_sha256":"23708e4e8f2b24906e4a5434209380fce671903e9e015bfb6b3a25e8f88cc680","abstract_canon_sha256":"247164e1b418a4b808a52f16084136793b9c8cacae20e6078fcebe8dfb68debb"},"schema_version":"1.0"},"canonical_sha256":"8c317b0f35c8d96beb24704b84a7454fd0050707d9f9adb5f37b19346eddd0ce","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:05:39.012698Z","signature_b64":"fAFmBpTm7V2sQAMOKZ+f0L3zlcTsToOGIiAdUF5X2zPM83CvCIwU9kXGhF0l3U7mty3eRtwtCXTyRANBgV0JBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8c317b0f35c8d96beb24704b84a7454fd0050707d9f9adb5f37b19346eddd0ce","last_reissued_at":"2026-05-18T00:05:39.012022Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:05:39.012022Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1805.01884","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":"2026-05-18T00:05:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+YB4bP1K8rVX0rph8Pn4MumUAf4FlXYg2ap62OJUyhU8horPQ6MTLcWJNrWASHB2MQC34ZWFvCsS20Ub0n44DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T10:28:48.911631Z"},"content_sha256":"2d818fec3ff51a84316db6826f50dc400ba549a0c0b4d0f19ce5c55892ab07b6","schema_version":"1.0","event_id":"sha256:2d818fec3ff51a84316db6826f50dc400ba549a0c0b4d0f19ce5c55892ab07b6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:RQYXWDZVZDMWX2ZEOBFYJJ2FJ7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Entanglement evolution and generalised hydrodynamics: noninteracting systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.stat-mech","authors_text":"Bruno Bertini, Lorenzo Piroli, Maurizio Fagotti, Pasquale Calabrese","submitted_at":"2018-05-04T17:55:50Z","abstract_excerpt":"The large-scale properties of homogeneous states after quantum quenches in integrable systems have been successfully described by a semiclassical picture of moving quasiparticles. Here we consider the generalisation for the entanglement evolution after an inhomogeneous quench in noninteracting systems in the framework of generalised hydrodynamics. We focus on the protocol where two semi-infinite halves are initially prepared in different states and then joined together, showing that a proper generalisation of the quasiparticle picture leads to exact quantitative predictions. If the system is i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.01884","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":"2026-05-18T00:05:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mpeQeX0sYvbm+XmXknYRh44zJlHZCX1G6y+UiCKVC9aSxy5hOHKGgBe8idLVOTB+OXqf2tF8wfYIDOo0voS+Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T10:28:48.912476Z"},"content_sha256":"902e4de1c04eed2838ee3e283b9ef01199ea5630a2f915a4ae04f759709ddda7","schema_version":"1.0","event_id":"sha256:902e4de1c04eed2838ee3e283b9ef01199ea5630a2f915a4ae04f759709ddda7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RQYXWDZVZDMWX2ZEOBFYJJ2FJ7/bundle.json","state_url":"https://pith.science/pith/RQYXWDZVZDMWX2ZEOBFYJJ2FJ7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RQYXWDZVZDMWX2ZEOBFYJJ2FJ7/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":"2026-08-09T10:28:48Z","links":{"resolver":"https://pith.science/pith/RQYXWDZVZDMWX2ZEOBFYJJ2FJ7","bundle":"https://pith.science/pith/RQYXWDZVZDMWX2ZEOBFYJJ2FJ7/bundle.json","state":"https://pith.science/pith/RQYXWDZVZDMWX2ZEOBFYJJ2FJ7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RQYXWDZVZDMWX2ZEOBFYJJ2FJ7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:RQYXWDZVZDMWX2ZEOBFYJJ2FJ7","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":"247164e1b418a4b808a52f16084136793b9c8cacae20e6078fcebe8dfb68debb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2018-05-04T17:55:50Z","title_canon_sha256":"23708e4e8f2b24906e4a5434209380fce671903e9e015bfb6b3a25e8f88cc680"},"schema_version":"1.0","source":{"id":"1805.01884","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.01884","created_at":"2026-05-18T00:05:39Z"},{"alias_kind":"arxiv_version","alias_value":"1805.01884v2","created_at":"2026-05-18T00:05:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.01884","created_at":"2026-05-18T00:05:39Z"},{"alias_kind":"pith_short_12","alias_value":"RQYXWDZVZDMW","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_16","alias_value":"RQYXWDZVZDMWX2ZE","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_8","alias_value":"RQYXWDZV","created_at":"2026-05-18T12:32:50Z"}],"graph_snapshots":[{"event_id":"sha256:902e4de1c04eed2838ee3e283b9ef01199ea5630a2f915a4ae04f759709ddda7","target":"graph","created_at":"2026-05-18T00:05:39Z","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":"The large-scale properties of homogeneous states after quantum quenches in integrable systems have been successfully described by a semiclassical picture of moving quasiparticles. Here we consider the generalisation for the entanglement evolution after an inhomogeneous quench in noninteracting systems in the framework of generalised hydrodynamics. We focus on the protocol where two semi-infinite halves are initially prepared in different states and then joined together, showing that a proper generalisation of the quasiparticle picture leads to exact quantitative predictions. If the system is i","authors_text":"Bruno Bertini, Lorenzo Piroli, Maurizio Fagotti, Pasquale Calabrese","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2018-05-04T17:55:50Z","title":"Entanglement evolution and generalised hydrodynamics: noninteracting systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.01884","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":"sha256:2d818fec3ff51a84316db6826f50dc400ba549a0c0b4d0f19ce5c55892ab07b6","target":"record","created_at":"2026-05-18T00:05:39Z","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":"247164e1b418a4b808a52f16084136793b9c8cacae20e6078fcebe8dfb68debb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2018-05-04T17:55:50Z","title_canon_sha256":"23708e4e8f2b24906e4a5434209380fce671903e9e015bfb6b3a25e8f88cc680"},"schema_version":"1.0","source":{"id":"1805.01884","kind":"arxiv","version":2}},"canonical_sha256":"8c317b0f35c8d96beb24704b84a7454fd0050707d9f9adb5f37b19346eddd0ce","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8c317b0f35c8d96beb24704b84a7454fd0050707d9f9adb5f37b19346eddd0ce","first_computed_at":"2026-05-18T00:05:39.012022Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:05:39.012022Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fAFmBpTm7V2sQAMOKZ+f0L3zlcTsToOGIiAdUF5X2zPM83CvCIwU9kXGhF0l3U7mty3eRtwtCXTyRANBgV0JBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:05:39.012698Z","signed_message":"canonical_sha256_bytes"},"source_id":"1805.01884","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2d818fec3ff51a84316db6826f50dc400ba549a0c0b4d0f19ce5c55892ab07b6","sha256:902e4de1c04eed2838ee3e283b9ef01199ea5630a2f915a4ae04f759709ddda7"],"state_sha256":"661538fefbba2c138e47042c95f400620aff804567bd60bf36a04b12bbec7acd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Tq8HSIwOKCU20G2yfwbLzcrqPlBZSRCJOfzxyfXoaIGudonDfTPmqYP4eEWaqGbZ5egdMwh8e0pW0Q7bvvh0Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T10:28:48.917700Z","bundle_sha256":"4f95998e8562404e57bdb474526d0017e37f2fcc17d9e3e3ad246714647dd495"}}