{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:34J3RPXDQY7HZ2HNYJLDF7UYBV","short_pith_number":"pith:34J3RPXD","canonical_record":{"source":{"id":"2606.18911","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2026-06-17T10:37:36Z","cross_cats_sorted":["cond-mat.soft"],"title_canon_sha256":"ce72290cdda7718bc74873ae00e7061e85eb3aff4f344e3346bd463218875d09","abstract_canon_sha256":"a4bf9665d7a69b069ae67d58824d5b35c78758a40ea25fe34850272af3499577"},"schema_version":"1.0"},"canonical_sha256":"df13b8bee3863e7ce8edc25632fe980d5acda33a659d51003865ded93719f096","source":{"kind":"arxiv","id":"2606.18911","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.18911","created_at":"2026-06-19T16:11:51Z"},{"alias_kind":"arxiv_version","alias_value":"2606.18911v1","created_at":"2026-06-19T16:11:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.18911","created_at":"2026-06-19T16:11:51Z"},{"alias_kind":"pith_short_12","alias_value":"34J3RPXDQY7H","created_at":"2026-06-19T16:11:51Z"},{"alias_kind":"pith_short_16","alias_value":"34J3RPXDQY7HZ2HN","created_at":"2026-06-19T16:11:51Z"},{"alias_kind":"pith_short_8","alias_value":"34J3RPXD","created_at":"2026-06-19T16:11:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:34J3RPXDQY7HZ2HNYJLDF7UYBV","target":"record","payload":{"canonical_record":{"source":{"id":"2606.18911","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2026-06-17T10:37:36Z","cross_cats_sorted":["cond-mat.soft"],"title_canon_sha256":"ce72290cdda7718bc74873ae00e7061e85eb3aff4f344e3346bd463218875d09","abstract_canon_sha256":"a4bf9665d7a69b069ae67d58824d5b35c78758a40ea25fe34850272af3499577"},"schema_version":"1.0"},"canonical_sha256":"df13b8bee3863e7ce8edc25632fe980d5acda33a659d51003865ded93719f096","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-19T16:11:51.668603Z","signature_b64":"UdvAB4gRynqtcpT6q8RIoBbHg6Rx0FTAryOWcloTSBTLLHA8kZwJzbOWw7GZtpaUbrDV1vsG2W5zMbnUIg1cAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"df13b8bee3863e7ce8edc25632fe980d5acda33a659d51003865ded93719f096","last_reissued_at":"2026-06-19T16:11:51.668187Z","signature_status":"signed_v1","first_computed_at":"2026-06-19T16:11:51.668187Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.18911","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":"2026-06-19T16:11:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NZdqQwWDjlcHkUSfb2MpansYWmz0U9o7Hq41UP1k65iIByWkZGV+42HNLWn79ITCx5ao23OVS+OzmofgoK5BCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T16:29:03.597730Z"},"content_sha256":"84bf8eb1b0673b8aeee2623091d2f929fddc0e28ed7f134e31602d74a1f098b7","schema_version":"1.0","event_id":"sha256:84bf8eb1b0673b8aeee2623091d2f929fddc0e28ed7f134e31602d74a1f098b7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:34J3RPXDQY7HZ2HNYJLDF7UYBV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Nonequilibrium nucleation theory for nonconserved fields: from active matter to population dynamics","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.soft"],"primary_cat":"cond-mat.stat-mech","authors_text":"Cesare Nardini, Michael E. Cates, Michalis Chatzittofi, Noah Ziethen","submitted_at":"2026-06-17T10:37:36Z","abstract_excerpt":"Classical nucleation theory (CNT) describes the formation of a stable phase from a metastable one. In equilibrium systems, it quantifies the free-energy competition between a favorable bulk gain and an unfavorable interfacial cost. For systems without detailed balance, the corresponding nonequilibrium nucleation theory (NNT) was so far developed only for cases with a conserved order parameter, such as active fluid-fluid phase separation. Here we construct the NNT for systems with a (single, scalar) nonconserved order parameter. Unlike in the conserved case, the nucleation barrier controlling ("},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.18911","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/2606.18911/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":"2026-06-19T16:11:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UTE8wLVR0FdhlhFoDN7H68T74nSXObHrWvMmIRV7/Xej3bcIpRUll27Xo7x90HcDxj+Ceu8NGK7K3rD7OI5mDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T16:29:03.598601Z"},"content_sha256":"c582b56c8190cd4ffd748d9f58a175f1636fb88f919c4128316ab39992c4fc42","schema_version":"1.0","event_id":"sha256:c582b56c8190cd4ffd748d9f58a175f1636fb88f919c4128316ab39992c4fc42"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/34J3RPXDQY7HZ2HNYJLDF7UYBV/bundle.json","state_url":"https://pith.science/pith/34J3RPXDQY7HZ2HNYJLDF7UYBV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/34J3RPXDQY7HZ2HNYJLDF7UYBV/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":"2026-08-14T16:29:03Z","links":{"resolver":"https://pith.science/pith/34J3RPXDQY7HZ2HNYJLDF7UYBV","bundle":"https://pith.science/pith/34J3RPXDQY7HZ2HNYJLDF7UYBV/bundle.json","state":"https://pith.science/pith/34J3RPXDQY7HZ2HNYJLDF7UYBV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/34J3RPXDQY7HZ2HNYJLDF7UYBV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:34J3RPXDQY7HZ2HNYJLDF7UYBV","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":"a4bf9665d7a69b069ae67d58824d5b35c78758a40ea25fe34850272af3499577","cross_cats_sorted":["cond-mat.soft"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2026-06-17T10:37:36Z","title_canon_sha256":"ce72290cdda7718bc74873ae00e7061e85eb3aff4f344e3346bd463218875d09"},"schema_version":"1.0","source":{"id":"2606.18911","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.18911","created_at":"2026-06-19T16:11:51Z"},{"alias_kind":"arxiv_version","alias_value":"2606.18911v1","created_at":"2026-06-19T16:11:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.18911","created_at":"2026-06-19T16:11:51Z"},{"alias_kind":"pith_short_12","alias_value":"34J3RPXDQY7H","created_at":"2026-06-19T16:11:51Z"},{"alias_kind":"pith_short_16","alias_value":"34J3RPXDQY7HZ2HN","created_at":"2026-06-19T16:11:51Z"},{"alias_kind":"pith_short_8","alias_value":"34J3RPXD","created_at":"2026-06-19T16:11:51Z"}],"graph_snapshots":[{"event_id":"sha256:c582b56c8190cd4ffd748d9f58a175f1636fb88f919c4128316ab39992c4fc42","target":"graph","created_at":"2026-06-19T16:11:51Z","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/2606.18911/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Classical nucleation theory (CNT) describes the formation of a stable phase from a metastable one. In equilibrium systems, it quantifies the free-energy competition between a favorable bulk gain and an unfavorable interfacial cost. For systems without detailed balance, the corresponding nonequilibrium nucleation theory (NNT) was so far developed only for cases with a conserved order parameter, such as active fluid-fluid phase separation. Here we construct the NNT for systems with a (single, scalar) nonconserved order parameter. Unlike in the conserved case, the nucleation barrier controlling (","authors_text":"Cesare Nardini, Michael E. Cates, Michalis Chatzittofi, Noah Ziethen","cross_cats":["cond-mat.soft"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2026-06-17T10:37:36Z","title":"Nonequilibrium nucleation theory for nonconserved fields: from active matter to population dynamics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.18911","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":"sha256:84bf8eb1b0673b8aeee2623091d2f929fddc0e28ed7f134e31602d74a1f098b7","target":"record","created_at":"2026-06-19T16:11:51Z","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":"a4bf9665d7a69b069ae67d58824d5b35c78758a40ea25fe34850272af3499577","cross_cats_sorted":["cond-mat.soft"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2026-06-17T10:37:36Z","title_canon_sha256":"ce72290cdda7718bc74873ae00e7061e85eb3aff4f344e3346bd463218875d09"},"schema_version":"1.0","source":{"id":"2606.18911","kind":"arxiv","version":1}},"canonical_sha256":"df13b8bee3863e7ce8edc25632fe980d5acda33a659d51003865ded93719f096","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"df13b8bee3863e7ce8edc25632fe980d5acda33a659d51003865ded93719f096","first_computed_at":"2026-06-19T16:11:51.668187Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-19T16:11:51.668187Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UdvAB4gRynqtcpT6q8RIoBbHg6Rx0FTAryOWcloTSBTLLHA8kZwJzbOWw7GZtpaUbrDV1vsG2W5zMbnUIg1cAA==","signature_status":"signed_v1","signed_at":"2026-06-19T16:11:51.668603Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.18911","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:84bf8eb1b0673b8aeee2623091d2f929fddc0e28ed7f134e31602d74a1f098b7","sha256:c582b56c8190cd4ffd748d9f58a175f1636fb88f919c4128316ab39992c4fc42"],"state_sha256":"6eef71c1e8a23c12165bbb5fcd5d756fce6e501ee005598abe8912678f2f5c92"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KuirsZMM46MnefybXqS2AKZCDTI/heuhvCUqcxzx4xDDAvqVNM++82gTVVc0mRf6nukREUCTYbgMG5PCZupcCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T16:29:03.660070Z","bundle_sha256":"4bd44e3d102f788d026a83bc780f881020b548b5b732d7216e1769d984f48890"}}