{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:MYIAX7XK3XPDKYC2HVXHFYZOZ2","short_pith_number":"pith:MYIAX7XK","canonical_record":{"source":{"id":"2605.23600","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-05-22T13:10:17Z","cross_cats_sorted":["cond-mat.other","cond-mat.quant-gas"],"title_canon_sha256":"b3ba6b9275d52d23356f7cd5de6c21b2b2999719f6530d5719f44b2ac8d4919a","abstract_canon_sha256":"b268f14b064bd2bccf65fdbdc0a1f653818b5c56706105ac74efc9bc88051691"},"schema_version":"1.0"},"canonical_sha256":"66100bfeeaddde35605a3d6e72e32ecea724e52d4b1a7cd7222ce71f62f4a9fc","source":{"kind":"arxiv","id":"2605.23600","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.23600","created_at":"2026-05-25T02:02:21Z"},{"alias_kind":"arxiv_version","alias_value":"2605.23600v1","created_at":"2026-05-25T02:02:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.23600","created_at":"2026-05-25T02:02:21Z"},{"alias_kind":"pith_short_12","alias_value":"MYIAX7XK3XPD","created_at":"2026-05-25T02:02:21Z"},{"alias_kind":"pith_short_16","alias_value":"MYIAX7XK3XPDKYC2","created_at":"2026-05-25T02:02:21Z"},{"alias_kind":"pith_short_8","alias_value":"MYIAX7XK","created_at":"2026-05-25T02:02:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:MYIAX7XK3XPDKYC2HVXHFYZOZ2","target":"record","payload":{"canonical_record":{"source":{"id":"2605.23600","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-05-22T13:10:17Z","cross_cats_sorted":["cond-mat.other","cond-mat.quant-gas"],"title_canon_sha256":"b3ba6b9275d52d23356f7cd5de6c21b2b2999719f6530d5719f44b2ac8d4919a","abstract_canon_sha256":"b268f14b064bd2bccf65fdbdc0a1f653818b5c56706105ac74efc9bc88051691"},"schema_version":"1.0"},"canonical_sha256":"66100bfeeaddde35605a3d6e72e32ecea724e52d4b1a7cd7222ce71f62f4a9fc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-25T02:02:21.629870Z","signature_b64":"Qd9awF9VE9rPNDNNYFiA98qsdYCRhFneyiwU5JTWpaU2BsyWH8Gludw4nHb26KtrX+N0d6rbrN+ITvotGzrWCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"66100bfeeaddde35605a3d6e72e32ecea724e52d4b1a7cd7222ce71f62f4a9fc","last_reissued_at":"2026-05-25T02:02:21.629140Z","signature_status":"signed_v1","first_computed_at":"2026-05-25T02:02:21.629140Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2605.23600","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-25T02:02:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"L1Sa42a1e6Dosgogo8PAXlQkxKDxo7aae+rbYpEjJdSqBZEuco4BoB6g0uoyWQHvet67WrsKWI9CMwZAEM+6Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T07:52:34.853433Z"},"content_sha256":"adc128a43a8f0c295e1423d8f09a66f1c63e10c8babce9d83d39591541af7a49","schema_version":"1.0","event_id":"sha256:adc128a43a8f0c295e1423d8f09a66f1c63e10c8babce9d83d39591541af7a49"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:MYIAX7XK3XPDKYC2HVXHFYZOZ2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Entanglement entropy across the dynamical phase transition in the quantum $\\mathcal{O}(N)$ model","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.other","cond-mat.quant-gas"],"primary_cat":"quant-ph","authors_text":"Frederick del Pozo, Ir\\'en\\'ee Fr\\'erot, Nicolas Cherroret, Tangi Morvan","submitted_at":"2026-05-22T13:10:17Z","abstract_excerpt":"We demonstrate that the dynamical phase transition of the quantum $\\mathcal{O}(N)$ model at large $N$ leaves universal fingerprints in the infrared structure of the entanglement spectrum. While the leading contribution to the entanglement entropy at long time follows the conventional volume law associated with ballistic entanglement spreading, its subleading behavior sharply distinguishes the different dynamical regimes. Specifically, quenches at and below the critical point generate gapless low-energy entanglement modes together with logarithmic corrections to the long-time entanglement entro"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.23600","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2605.23600/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-05-25T02:02:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fpYn7DwSlKEA/qegLzhJF+EpLbqwEFiiqeMARaGANieLDuQuvGXi2FLvGXFzUsy9aqzvwD7GpA9/4JpzBEU+Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T07:52:34.854094Z"},"content_sha256":"79ca853b0222d1b22ba1e00a381806e9934a193964e2cdfe136bd2d98afd4118","schema_version":"1.0","event_id":"sha256:79ca853b0222d1b22ba1e00a381806e9934a193964e2cdfe136bd2d98afd4118"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MYIAX7XK3XPDKYC2HVXHFYZOZ2/bundle.json","state_url":"https://pith.science/pith/MYIAX7XK3XPDKYC2HVXHFYZOZ2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MYIAX7XK3XPDKYC2HVXHFYZOZ2/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":"2026-05-26T07:52:34Z","links":{"resolver":"https://pith.science/pith/MYIAX7XK3XPDKYC2HVXHFYZOZ2","bundle":"https://pith.science/pith/MYIAX7XK3XPDKYC2HVXHFYZOZ2/bundle.json","state":"https://pith.science/pith/MYIAX7XK3XPDKYC2HVXHFYZOZ2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MYIAX7XK3XPDKYC2HVXHFYZOZ2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:MYIAX7XK3XPDKYC2HVXHFYZOZ2","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":"b268f14b064bd2bccf65fdbdc0a1f653818b5c56706105ac74efc9bc88051691","cross_cats_sorted":["cond-mat.other","cond-mat.quant-gas"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-05-22T13:10:17Z","title_canon_sha256":"b3ba6b9275d52d23356f7cd5de6c21b2b2999719f6530d5719f44b2ac8d4919a"},"schema_version":"1.0","source":{"id":"2605.23600","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.23600","created_at":"2026-05-25T02:02:21Z"},{"alias_kind":"arxiv_version","alias_value":"2605.23600v1","created_at":"2026-05-25T02:02:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.23600","created_at":"2026-05-25T02:02:21Z"},{"alias_kind":"pith_short_12","alias_value":"MYIAX7XK3XPD","created_at":"2026-05-25T02:02:21Z"},{"alias_kind":"pith_short_16","alias_value":"MYIAX7XK3XPDKYC2","created_at":"2026-05-25T02:02:21Z"},{"alias_kind":"pith_short_8","alias_value":"MYIAX7XK","created_at":"2026-05-25T02:02:21Z"}],"graph_snapshots":[{"event_id":"sha256:79ca853b0222d1b22ba1e00a381806e9934a193964e2cdfe136bd2d98afd4118","target":"graph","created_at":"2026-05-25T02:02:21Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2605.23600/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We demonstrate that the dynamical phase transition of the quantum $\\mathcal{O}(N)$ model at large $N$ leaves universal fingerprints in the infrared structure of the entanglement spectrum. While the leading contribution to the entanglement entropy at long time follows the conventional volume law associated with ballistic entanglement spreading, its subleading behavior sharply distinguishes the different dynamical regimes. Specifically, quenches at and below the critical point generate gapless low-energy entanglement modes together with logarithmic corrections to the long-time entanglement entro","authors_text":"Frederick del Pozo, Ir\\'en\\'ee Fr\\'erot, Nicolas Cherroret, Tangi Morvan","cross_cats":["cond-mat.other","cond-mat.quant-gas"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-05-22T13:10:17Z","title":"Entanglement entropy across the dynamical phase transition in the quantum $\\mathcal{O}(N)$ model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.23600","kind":"arxiv","version":1},"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:adc128a43a8f0c295e1423d8f09a66f1c63e10c8babce9d83d39591541af7a49","target":"record","created_at":"2026-05-25T02:02:21Z","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":"b268f14b064bd2bccf65fdbdc0a1f653818b5c56706105ac74efc9bc88051691","cross_cats_sorted":["cond-mat.other","cond-mat.quant-gas"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-05-22T13:10:17Z","title_canon_sha256":"b3ba6b9275d52d23356f7cd5de6c21b2b2999719f6530d5719f44b2ac8d4919a"},"schema_version":"1.0","source":{"id":"2605.23600","kind":"arxiv","version":1}},"canonical_sha256":"66100bfeeaddde35605a3d6e72e32ecea724e52d4b1a7cd7222ce71f62f4a9fc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"66100bfeeaddde35605a3d6e72e32ecea724e52d4b1a7cd7222ce71f62f4a9fc","first_computed_at":"2026-05-25T02:02:21.629140Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-25T02:02:21.629140Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Qd9awF9VE9rPNDNNYFiA98qsdYCRhFneyiwU5JTWpaU2BsyWH8Gludw4nHb26KtrX+N0d6rbrN+ITvotGzrWCQ==","signature_status":"signed_v1","signed_at":"2026-05-25T02:02:21.629870Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.23600","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:adc128a43a8f0c295e1423d8f09a66f1c63e10c8babce9d83d39591541af7a49","sha256:79ca853b0222d1b22ba1e00a381806e9934a193964e2cdfe136bd2d98afd4118"],"state_sha256":"7f7f04d4c4b8c8ca10a8dcb5ad2e3e4dae28c564d2623180b958803b760c41fb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"t8WC+bpKXneuTcQpeYJQv10WCxOTo2ptX+jQuSjQ10a/nddduqCO7OfNV1WR1R/FDCNvm0kQdId5J7AA0x2+BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T07:52:34.857744Z","bundle_sha256":"6e550660a306663bde2ae5c4689706c2c722436709488750f482746ec5a3545a"}}