{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:KOHJJZSWBWLOKOEUTRDNHP3U2E","short_pith_number":"pith:KOHJJZSW","canonical_record":{"source":{"id":"1804.10217","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-04-26T18:01:18Z","cross_cats_sorted":["cond-mat.quant-gas"],"title_canon_sha256":"eb6bfd718c4eea7a62a0a42e09bd88a22281e5a2b971e202f37cdad89351af4d","abstract_canon_sha256":"9720ee026c15f67cc740ca4be8763587b4e312ce487e938cc83505468c2976ee"},"schema_version":"1.0"},"canonical_sha256":"538e94e6560d96e538949c46d3bf74d1180937d46978e62e2afeafb368484bc6","source":{"kind":"arxiv","id":"1804.10217","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.10217","created_at":"2026-05-18T00:09:14Z"},{"alias_kind":"arxiv_version","alias_value":"1804.10217v1","created_at":"2026-05-18T00:09:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.10217","created_at":"2026-05-18T00:09:14Z"},{"alias_kind":"pith_short_12","alias_value":"KOHJJZSWBWLO","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"KOHJJZSWBWLOKOEU","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"KOHJJZSW","created_at":"2026-05-18T12:32:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:KOHJJZSWBWLOKOEUTRDNHP3U2E","target":"record","payload":{"canonical_record":{"source":{"id":"1804.10217","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-04-26T18:01:18Z","cross_cats_sorted":["cond-mat.quant-gas"],"title_canon_sha256":"eb6bfd718c4eea7a62a0a42e09bd88a22281e5a2b971e202f37cdad89351af4d","abstract_canon_sha256":"9720ee026c15f67cc740ca4be8763587b4e312ce487e938cc83505468c2976ee"},"schema_version":"1.0"},"canonical_sha256":"538e94e6560d96e538949c46d3bf74d1180937d46978e62e2afeafb368484bc6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:09:14.348201Z","signature_b64":"K4aCfYuwp2kz+5LX202g9Na+CTpv2Wr0bDArEkOWfAQWHcha8W0f9+RGyvFZqGCoJFAXtVKNDZMeXG4zvluMAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"538e94e6560d96e538949c46d3bf74d1180937d46978e62e2afeafb368484bc6","last_reissued_at":"2026-05-18T00:09:14.347497Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:09:14.347497Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.10217","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":"2026-05-18T00:09:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0a5L74dmjaWEmQIcH8h1DZaqYIG0NVM3vFwVk/njKGYUGumJEYpCxfW4i1zk2w2GLAdeyxYMexa/EwXAFMvGAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T05:50:22.086287Z"},"content_sha256":"0722f7691afc4e860bc593b147ac7b9cf54ede3ce226f4e954041e2d2fa48b11","schema_version":"1.0","event_id":"sha256:0722f7691afc4e860bc593b147ac7b9cf54ede3ce226f4e954041e2d2fa48b11"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:KOHJJZSWBWLOKOEUTRDNHP3U2E","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Cluster Truncated Wigner Approximation in Strongly Interacting Systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas"],"primary_cat":"quant-ph","authors_text":"Anatoli Polkovnikov, Dries Sels, Jonathan Wurtz","submitted_at":"2018-04-26T18:01:18Z","abstract_excerpt":"We present a general method by which linear quantum Hamiltonian dynamics with exponentially many degrees of freedom is replaced by approximate classical nonlinear dynamics with the number of degrees of freedom (phase space dimensionality) scaling polynomially in the system size. This method is based on generalization of the truncated Wigner approximation (TWA) to a higher dimensional phase space, where phase space variables are associated with a complete set of quantum operators spanning finite size clusters. The method becomes asymptotically exact with the increasing cluster size. The crucial"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.10217","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":""},"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":"2026-05-18T00:09:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NMiT8S0orSIe8wVw8CRZi/dw11AUMyP+Te6LuQkJiY6Ix0Aq20MeYGZUXOKmyJFQpfxfz4H4fawCqerTG/YOAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T05:50:22.086658Z"},"content_sha256":"8242cb2591c964c629d8e2133b6ec0bdf1b9ec1d5012eabd7f5ae1fa76c28548","schema_version":"1.0","event_id":"sha256:8242cb2591c964c629d8e2133b6ec0bdf1b9ec1d5012eabd7f5ae1fa76c28548"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KOHJJZSWBWLOKOEUTRDNHP3U2E/bundle.json","state_url":"https://pith.science/pith/KOHJJZSWBWLOKOEUTRDNHP3U2E/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KOHJJZSWBWLOKOEUTRDNHP3U2E/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":"2026-06-05T05:50:22Z","links":{"resolver":"https://pith.science/pith/KOHJJZSWBWLOKOEUTRDNHP3U2E","bundle":"https://pith.science/pith/KOHJJZSWBWLOKOEUTRDNHP3U2E/bundle.json","state":"https://pith.science/pith/KOHJJZSWBWLOKOEUTRDNHP3U2E/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KOHJJZSWBWLOKOEUTRDNHP3U2E/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:KOHJJZSWBWLOKOEUTRDNHP3U2E","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":"9720ee026c15f67cc740ca4be8763587b4e312ce487e938cc83505468c2976ee","cross_cats_sorted":["cond-mat.quant-gas"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-04-26T18:01:18Z","title_canon_sha256":"eb6bfd718c4eea7a62a0a42e09bd88a22281e5a2b971e202f37cdad89351af4d"},"schema_version":"1.0","source":{"id":"1804.10217","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.10217","created_at":"2026-05-18T00:09:14Z"},{"alias_kind":"arxiv_version","alias_value":"1804.10217v1","created_at":"2026-05-18T00:09:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.10217","created_at":"2026-05-18T00:09:14Z"},{"alias_kind":"pith_short_12","alias_value":"KOHJJZSWBWLO","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"KOHJJZSWBWLOKOEU","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"KOHJJZSW","created_at":"2026-05-18T12:32:33Z"}],"graph_snapshots":[{"event_id":"sha256:8242cb2591c964c629d8e2133b6ec0bdf1b9ec1d5012eabd7f5ae1fa76c28548","target":"graph","created_at":"2026-05-18T00:09:14Z","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":"We present a general method by which linear quantum Hamiltonian dynamics with exponentially many degrees of freedom is replaced by approximate classical nonlinear dynamics with the number of degrees of freedom (phase space dimensionality) scaling polynomially in the system size. This method is based on generalization of the truncated Wigner approximation (TWA) to a higher dimensional phase space, where phase space variables are associated with a complete set of quantum operators spanning finite size clusters. The method becomes asymptotically exact with the increasing cluster size. The crucial","authors_text":"Anatoli Polkovnikov, Dries Sels, Jonathan Wurtz","cross_cats":["cond-mat.quant-gas"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-04-26T18:01:18Z","title":"Cluster Truncated Wigner Approximation in Strongly Interacting Systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.10217","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":"sha256:0722f7691afc4e860bc593b147ac7b9cf54ede3ce226f4e954041e2d2fa48b11","target":"record","created_at":"2026-05-18T00:09:14Z","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":"9720ee026c15f67cc740ca4be8763587b4e312ce487e938cc83505468c2976ee","cross_cats_sorted":["cond-mat.quant-gas"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-04-26T18:01:18Z","title_canon_sha256":"eb6bfd718c4eea7a62a0a42e09bd88a22281e5a2b971e202f37cdad89351af4d"},"schema_version":"1.0","source":{"id":"1804.10217","kind":"arxiv","version":1}},"canonical_sha256":"538e94e6560d96e538949c46d3bf74d1180937d46978e62e2afeafb368484bc6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"538e94e6560d96e538949c46d3bf74d1180937d46978e62e2afeafb368484bc6","first_computed_at":"2026-05-18T00:09:14.347497Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:09:14.347497Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"K4aCfYuwp2kz+5LX202g9Na+CTpv2Wr0bDArEkOWfAQWHcha8W0f9+RGyvFZqGCoJFAXtVKNDZMeXG4zvluMAw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:09:14.348201Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.10217","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0722f7691afc4e860bc593b147ac7b9cf54ede3ce226f4e954041e2d2fa48b11","sha256:8242cb2591c964c629d8e2133b6ec0bdf1b9ec1d5012eabd7f5ae1fa76c28548"],"state_sha256":"0f9e188919e9eaeac04b75b62ed7271a0c447ec9c46de67da16ca4f0f75efe8a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aUEwNsGYwBhFQUeolGvrEWG1/dJ+Vi8oHQHPErIuZgnRPxEsG1v9YVQmqyoZD+CLW4CHc+akDR/mRWZE0F7EDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T05:50:22.088653Z","bundle_sha256":"42ec225482de76631f2acb1a58f7a987359436c6691fdc2e3aa6afe1f40e80f8"}}