{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:LQWUOXFG2XS2MASECRSUGV66J4","short_pith_number":"pith:LQWUOXFG","canonical_record":{"source":{"id":"1607.01401","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-07-05T20:06:03Z","cross_cats_sorted":[],"title_canon_sha256":"988c92cc8b304dccdc3e8aa2297e0feb741fc32964519daf5226fd78bd12892f","abstract_canon_sha256":"815e028cff1e1952b939f056fc946bf7e6e34c17c2f65e8c09816cb06b40ad37"},"schema_version":"1.0"},"canonical_sha256":"5c2d475ca6d5e5a6024414654357de4f1266fad38093129ce5c3a9204b7a8d72","source":{"kind":"arxiv","id":"1607.01401","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.01401","created_at":"2026-05-18T01:11:26Z"},{"alias_kind":"arxiv_version","alias_value":"1607.01401v1","created_at":"2026-05-18T01:11:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.01401","created_at":"2026-05-18T01:11:26Z"},{"alias_kind":"pith_short_12","alias_value":"LQWUOXFG2XS2","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_16","alias_value":"LQWUOXFG2XS2MASE","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_8","alias_value":"LQWUOXFG","created_at":"2026-05-18T12:30:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:LQWUOXFG2XS2MASECRSUGV66J4","target":"record","payload":{"canonical_record":{"source":{"id":"1607.01401","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-07-05T20:06:03Z","cross_cats_sorted":[],"title_canon_sha256":"988c92cc8b304dccdc3e8aa2297e0feb741fc32964519daf5226fd78bd12892f","abstract_canon_sha256":"815e028cff1e1952b939f056fc946bf7e6e34c17c2f65e8c09816cb06b40ad37"},"schema_version":"1.0"},"canonical_sha256":"5c2d475ca6d5e5a6024414654357de4f1266fad38093129ce5c3a9204b7a8d72","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:11:26.481112Z","signature_b64":"K7+VDYFqKl9nHDEnVTZf6PCwe3VJoBZDSIq1ulLZTHBWSSgJgAQiMSGXtNAnjm9zuwNXRkFd9NOjM4ZHpzOUDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5c2d475ca6d5e5a6024414654357de4f1266fad38093129ce5c3a9204b7a8d72","last_reissued_at":"2026-05-18T01:11:26.480630Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:11:26.480630Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1607.01401","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":"2026-05-18T01:11:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xWD5zkskfMLHE/Jha6Wq6sPSB91rkmSkr4yqVkdDQahpnNTi9V1z26cMEP++7bDF6RcnZg+4lSbY6jFZ18ybCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T13:46:45.591129Z"},"content_sha256":"5c09e3a57bb045313072a0d043714ec9a0e48f9f03e9041e0c7e84be6c78ceac","schema_version":"1.0","event_id":"sha256:5c09e3a57bb045313072a0d043714ec9a0e48f9f03e9041e0c7e84be6c78ceac"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:LQWUOXFG2XS2MASECRSUGV66J4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Diagrammatic Monte Carlo for Dual Fermions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Andrey E. Antipov, Emanuel Gull, Sergei Iskakov","submitted_at":"2016-07-05T20:06:03Z","abstract_excerpt":"We introduce a numerical algorithm to stochastically sample the dual fermion perturbation series around the dynamical mean field theory, generating all topologies of two-particle interaction vertices. We show results in the weak and strong coupling regime of the half-filled Hubbard model in two dimensions, illustrating that the method converges quickly where dynamical mean field theory is a good approximation, and show that corrections are large in the strong correlation regime at intermediate interaction. The fast convergence of dual corrections to dynamical mean field results illustrates the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.01401","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":"2026-05-18T01:11:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"brPoYK9+bO0ffmmcv8BWW+/Go9SHFjmyubMv+FyMrgVwIN2XK/ttFkI4hR+J5TLIfI59xAKr/Ye9OkIC4c5YCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T13:46:45.591480Z"},"content_sha256":"636882c19a81878ed5cc357864c4d9cb8152128bf9f8121278ec92479ebff8e6","schema_version":"1.0","event_id":"sha256:636882c19a81878ed5cc357864c4d9cb8152128bf9f8121278ec92479ebff8e6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LQWUOXFG2XS2MASECRSUGV66J4/bundle.json","state_url":"https://pith.science/pith/LQWUOXFG2XS2MASECRSUGV66J4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LQWUOXFG2XS2MASECRSUGV66J4/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":"2026-05-28T13:46:45Z","links":{"resolver":"https://pith.science/pith/LQWUOXFG2XS2MASECRSUGV66J4","bundle":"https://pith.science/pith/LQWUOXFG2XS2MASECRSUGV66J4/bundle.json","state":"https://pith.science/pith/LQWUOXFG2XS2MASECRSUGV66J4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LQWUOXFG2XS2MASECRSUGV66J4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:LQWUOXFG2XS2MASECRSUGV66J4","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":"815e028cff1e1952b939f056fc946bf7e6e34c17c2f65e8c09816cb06b40ad37","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-07-05T20:06:03Z","title_canon_sha256":"988c92cc8b304dccdc3e8aa2297e0feb741fc32964519daf5226fd78bd12892f"},"schema_version":"1.0","source":{"id":"1607.01401","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.01401","created_at":"2026-05-18T01:11:26Z"},{"alias_kind":"arxiv_version","alias_value":"1607.01401v1","created_at":"2026-05-18T01:11:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.01401","created_at":"2026-05-18T01:11:26Z"},{"alias_kind":"pith_short_12","alias_value":"LQWUOXFG2XS2","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_16","alias_value":"LQWUOXFG2XS2MASE","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_8","alias_value":"LQWUOXFG","created_at":"2026-05-18T12:30:29Z"}],"graph_snapshots":[{"event_id":"sha256:636882c19a81878ed5cc357864c4d9cb8152128bf9f8121278ec92479ebff8e6","target":"graph","created_at":"2026-05-18T01:11:26Z","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 introduce a numerical algorithm to stochastically sample the dual fermion perturbation series around the dynamical mean field theory, generating all topologies of two-particle interaction vertices. We show results in the weak and strong coupling regime of the half-filled Hubbard model in two dimensions, illustrating that the method converges quickly where dynamical mean field theory is a good approximation, and show that corrections are large in the strong correlation regime at intermediate interaction. The fast convergence of dual corrections to dynamical mean field results illustrates the","authors_text":"Andrey E. Antipov, Emanuel Gull, Sergei Iskakov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-07-05T20:06:03Z","title":"Diagrammatic Monte Carlo for Dual Fermions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.01401","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":"sha256:5c09e3a57bb045313072a0d043714ec9a0e48f9f03e9041e0c7e84be6c78ceac","target":"record","created_at":"2026-05-18T01:11:26Z","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":"815e028cff1e1952b939f056fc946bf7e6e34c17c2f65e8c09816cb06b40ad37","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-07-05T20:06:03Z","title_canon_sha256":"988c92cc8b304dccdc3e8aa2297e0feb741fc32964519daf5226fd78bd12892f"},"schema_version":"1.0","source":{"id":"1607.01401","kind":"arxiv","version":1}},"canonical_sha256":"5c2d475ca6d5e5a6024414654357de4f1266fad38093129ce5c3a9204b7a8d72","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5c2d475ca6d5e5a6024414654357de4f1266fad38093129ce5c3a9204b7a8d72","first_computed_at":"2026-05-18T01:11:26.480630Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:11:26.480630Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"K7+VDYFqKl9nHDEnVTZf6PCwe3VJoBZDSIq1ulLZTHBWSSgJgAQiMSGXtNAnjm9zuwNXRkFd9NOjM4ZHpzOUDw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:11:26.481112Z","signed_message":"canonical_sha256_bytes"},"source_id":"1607.01401","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5c09e3a57bb045313072a0d043714ec9a0e48f9f03e9041e0c7e84be6c78ceac","sha256:636882c19a81878ed5cc357864c4d9cb8152128bf9f8121278ec92479ebff8e6"],"state_sha256":"d603d341ddc7e4ceace73fc437ce8e95a6d8a0c112fc0c7f68dc3d4502289a78"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4EL6pZSWyLdpSMnqYksPhecBqz7rnnRwFXmxMF+ttcrdZP6OfbWUOUawNbyTOnCEajVEbC7Y/csbl/YzQN6nDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T13:46:45.593401Z","bundle_sha256":"d2aff2a3716444840279450c48c040bea42b81f322fc7981a4a368276ff07ec4"}}