{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:AD4EHRJUKGT65ZBSULODGSKX63","short_pith_number":"pith:AD4EHRJU","canonical_record":{"source":{"id":"2602.05223","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-02-05T02:21:59Z","cross_cats_sorted":[],"title_canon_sha256":"4bd3871c67d6e38d6f984e40c2661d217a02416960e94e6cfd05b9dbe82d0436","abstract_canon_sha256":"f4e6b04b1041f7d85a2f240fc625308324ee0eb89d28bf957ed360bc6fd9fd05"},"schema_version":"1.0"},"canonical_sha256":"00f843c53451a7eee432a2dc334957f6ff9cf5a8cf93a400bcb1f7b1d1c01d22","source":{"kind":"arxiv","id":"2602.05223","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2602.05223","created_at":"2026-07-14T00:18:22Z"},{"alias_kind":"arxiv_version","alias_value":"2602.05223v2","created_at":"2026-07-14T00:18:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2602.05223","created_at":"2026-07-14T00:18:22Z"},{"alias_kind":"pith_short_12","alias_value":"AD4EHRJUKGT6","created_at":"2026-07-14T00:18:22Z"},{"alias_kind":"pith_short_16","alias_value":"AD4EHRJUKGT65ZBS","created_at":"2026-07-14T00:18:22Z"},{"alias_kind":"pith_short_8","alias_value":"AD4EHRJU","created_at":"2026-07-14T00:18:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:AD4EHRJUKGT65ZBSULODGSKX63","target":"record","payload":{"canonical_record":{"source":{"id":"2602.05223","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-02-05T02:21:59Z","cross_cats_sorted":[],"title_canon_sha256":"4bd3871c67d6e38d6f984e40c2661d217a02416960e94e6cfd05b9dbe82d0436","abstract_canon_sha256":"f4e6b04b1041f7d85a2f240fc625308324ee0eb89d28bf957ed360bc6fd9fd05"},"schema_version":"1.0"},"canonical_sha256":"00f843c53451a7eee432a2dc334957f6ff9cf5a8cf93a400bcb1f7b1d1c01d22","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-14T00:18:22.185013Z","signature_b64":"TND9lkh8/PuZiwhxaMLRPSHrGMn6pgvppH2XyZm/qhNVdr0wsqLNNRfowTJoMNvJMz9RC3Xj7Yb7I8Zi3GD8CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"00f843c53451a7eee432a2dc334957f6ff9cf5a8cf93a400bcb1f7b1d1c01d22","last_reissued_at":"2026-07-14T00:18:22.184067Z","signature_status":"signed_v1","first_computed_at":"2026-07-14T00:18:22.184067Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2602.05223","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":"2026-07-14T00:18:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wObpfRTu9f4teJxaeph6IsNSb2/HvO1nAh71IKxQuHjytvFVk9g6+1DL5/GPM2A5GuGiSDRdqVPVamzG43XSBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T23:07:46.204444Z"},"content_sha256":"b81051966cf67c4eb1297da542edf3a6fc8041d57d10a862fa9470cd368737c7","schema_version":"1.0","event_id":"sha256:b81051966cf67c4eb1297da542edf3a6fc8041d57d10a862fa9470cd368737c7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:AD4EHRJUKGT65ZBSULODGSKX63","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Robust Negativity in the Quantum-to-Classical Transition of Kerr Dynamics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Ariel Shlosberg, Ivan H. Deutsch, John B. DeBrota, Mohsin Raza, Noah Lordi","submitted_at":"2026-02-05T02:21:59Z","abstract_excerpt":"We quantify the quantum-to-classical transition of the single-mode Kerr nonlinear dynamics in the presence of loss. We establish three time scales that govern the dynamics, each with distinct characteristics. For times short compared to the Ehrenfest time, the evolution is classical, characterized by Gaussian dynamics. For sufficiently long times, as we increase the initial photon number, unitary Kerr evolution would generate macroscopic superpositions of coherent states (so-called kitten states), but this is severely restricted in the presence of small photon loss so that expectation values o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2602.05223","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2602.05223/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":"2026-07-14T00:18:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rK/47dcHK5YEtxN5ox08BiwzI+qALIToNWIJRLs3LE9lJXNXuZphZoKnDooeJ9Pj1doj/AYHuJwBVtIDpQ5JCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T23:07:46.204963Z"},"content_sha256":"331c363da97d89b7ef6bf0d1899cfdc805bc7f548cda4d08f136255ae5749db6","schema_version":"1.0","event_id":"sha256:331c363da97d89b7ef6bf0d1899cfdc805bc7f548cda4d08f136255ae5749db6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AD4EHRJUKGT65ZBSULODGSKX63/bundle.json","state_url":"https://pith.science/pith/AD4EHRJUKGT65ZBSULODGSKX63/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AD4EHRJUKGT65ZBSULODGSKX63/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":"2026-08-04T23:07:46Z","links":{"resolver":"https://pith.science/pith/AD4EHRJUKGT65ZBSULODGSKX63","bundle":"https://pith.science/pith/AD4EHRJUKGT65ZBSULODGSKX63/bundle.json","state":"https://pith.science/pith/AD4EHRJUKGT65ZBSULODGSKX63/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AD4EHRJUKGT65ZBSULODGSKX63/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:AD4EHRJUKGT65ZBSULODGSKX63","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":"f4e6b04b1041f7d85a2f240fc625308324ee0eb89d28bf957ed360bc6fd9fd05","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-02-05T02:21:59Z","title_canon_sha256":"4bd3871c67d6e38d6f984e40c2661d217a02416960e94e6cfd05b9dbe82d0436"},"schema_version":"1.0","source":{"id":"2602.05223","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2602.05223","created_at":"2026-07-14T00:18:22Z"},{"alias_kind":"arxiv_version","alias_value":"2602.05223v2","created_at":"2026-07-14T00:18:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2602.05223","created_at":"2026-07-14T00:18:22Z"},{"alias_kind":"pith_short_12","alias_value":"AD4EHRJUKGT6","created_at":"2026-07-14T00:18:22Z"},{"alias_kind":"pith_short_16","alias_value":"AD4EHRJUKGT65ZBS","created_at":"2026-07-14T00:18:22Z"},{"alias_kind":"pith_short_8","alias_value":"AD4EHRJU","created_at":"2026-07-14T00:18:22Z"}],"graph_snapshots":[{"event_id":"sha256:331c363da97d89b7ef6bf0d1899cfdc805bc7f548cda4d08f136255ae5749db6","target":"graph","created_at":"2026-07-14T00:18:22Z","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/2602.05223/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We quantify the quantum-to-classical transition of the single-mode Kerr nonlinear dynamics in the presence of loss. We establish three time scales that govern the dynamics, each with distinct characteristics. For times short compared to the Ehrenfest time, the evolution is classical, characterized by Gaussian dynamics. For sufficiently long times, as we increase the initial photon number, unitary Kerr evolution would generate macroscopic superpositions of coherent states (so-called kitten states), but this is severely restricted in the presence of small photon loss so that expectation values o","authors_text":"Ariel Shlosberg, Ivan H. Deutsch, John B. DeBrota, Mohsin Raza, Noah Lordi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-02-05T02:21:59Z","title":"Robust Negativity in the Quantum-to-Classical Transition of Kerr Dynamics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2602.05223","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:b81051966cf67c4eb1297da542edf3a6fc8041d57d10a862fa9470cd368737c7","target":"record","created_at":"2026-07-14T00:18:22Z","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":"f4e6b04b1041f7d85a2f240fc625308324ee0eb89d28bf957ed360bc6fd9fd05","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-02-05T02:21:59Z","title_canon_sha256":"4bd3871c67d6e38d6f984e40c2661d217a02416960e94e6cfd05b9dbe82d0436"},"schema_version":"1.0","source":{"id":"2602.05223","kind":"arxiv","version":2}},"canonical_sha256":"00f843c53451a7eee432a2dc334957f6ff9cf5a8cf93a400bcb1f7b1d1c01d22","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"00f843c53451a7eee432a2dc334957f6ff9cf5a8cf93a400bcb1f7b1d1c01d22","first_computed_at":"2026-07-14T00:18:22.184067Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-14T00:18:22.184067Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TND9lkh8/PuZiwhxaMLRPSHrGMn6pgvppH2XyZm/qhNVdr0wsqLNNRfowTJoMNvJMz9RC3Xj7Yb7I8Zi3GD8CA==","signature_status":"signed_v1","signed_at":"2026-07-14T00:18:22.185013Z","signed_message":"canonical_sha256_bytes"},"source_id":"2602.05223","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b81051966cf67c4eb1297da542edf3a6fc8041d57d10a862fa9470cd368737c7","sha256:331c363da97d89b7ef6bf0d1899cfdc805bc7f548cda4d08f136255ae5749db6"],"state_sha256":"af5ae8de9247f7cff346f0c4cbaa8b6ce8f1290ead5976994019706cb9b04f1d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SYFrcryK/nHWwNA6z9q+/7eREDao3+mbilgpI0+s/1jzo2zibHXI6rMCmkSar63RdJxfj7WWeZVlAaGxN8jmCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T23:07:46.208501Z","bundle_sha256":"3e044bffac7ba67d294f994b13e8aabeae0bb97d7ebf5374c4ec5df2880db9ac"}}