{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:YEQE6JURFNKZFPT7FC6FHGFSWJ","short_pith_number":"pith:YEQE6JUR","canonical_record":{"source":{"id":"1701.01057","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2017-01-04T16:04:33Z","cross_cats_sorted":["cond-mat.quant-gas"],"title_canon_sha256":"9012a3851a7ee45ac9d5d78e99633688d60c929546611bd574699d55818efcb0","abstract_canon_sha256":"1921b8c48566254c2574eef429a2e9981f0e717e0e82ccfebd3662c4a801f611"},"schema_version":"1.0"},"canonical_sha256":"c1204f26912b5592be7f28bc5398b2b2555413e15e6c1e99cdfd3d0a64837381","source":{"kind":"arxiv","id":"1701.01057","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.01057","created_at":"2026-05-18T00:44:13Z"},{"alias_kind":"arxiv_version","alias_value":"1701.01057v2","created_at":"2026-05-18T00:44:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.01057","created_at":"2026-05-18T00:44:13Z"},{"alias_kind":"pith_short_12","alias_value":"YEQE6JURFNKZ","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_16","alias_value":"YEQE6JURFNKZFPT7","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_8","alias_value":"YEQE6JUR","created_at":"2026-05-18T12:31:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:YEQE6JURFNKZFPT7FC6FHGFSWJ","target":"record","payload":{"canonical_record":{"source":{"id":"1701.01057","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2017-01-04T16:04:33Z","cross_cats_sorted":["cond-mat.quant-gas"],"title_canon_sha256":"9012a3851a7ee45ac9d5d78e99633688d60c929546611bd574699d55818efcb0","abstract_canon_sha256":"1921b8c48566254c2574eef429a2e9981f0e717e0e82ccfebd3662c4a801f611"},"schema_version":"1.0"},"canonical_sha256":"c1204f26912b5592be7f28bc5398b2b2555413e15e6c1e99cdfd3d0a64837381","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:44:13.479664Z","signature_b64":"5ksVZP7Cotx2xfR70km4+oBhs2JN84wFyE3ledDWFaTuly96OFT+RbcgH6YHIL8oej4pqwsf8qyD4Ckzf6FUAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c1204f26912b5592be7f28bc5398b2b2555413e15e6c1e99cdfd3d0a64837381","last_reissued_at":"2026-05-18T00:44:13.479227Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:44:13.479227Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1701.01057","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":"2026-05-18T00:44:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"B9bGzkgTi+hKTGvc2ezkQLJ+s5NNYVjPM2XvwrERS3vkZVsacKRO5WOYeY6uTKeKkBZu5HnIuVfz8Q7aJaXqBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T19:20:37.858513Z"},"content_sha256":"7c8e8ad86f9e8e107581327e9f8347c354238b76ff7dfb3c95c190e1db0983ca","schema_version":"1.0","event_id":"sha256:7c8e8ad86f9e8e107581327e9f8347c354238b76ff7dfb3c95c190e1db0983ca"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:YEQE6JURFNKZFPT7FC6FHGFSWJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Enforcing conservation laws in nonequilibrium cluster perturbation theory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas"],"primary_cat":"cond-mat.str-el","authors_text":"Christian Gramsch, Michael Potthoff","submitted_at":"2017-01-04T16:04:33Z","abstract_excerpt":"Using the recently introduced time-local formulation of the nonequilibrium cluster perturbation theory (CPT), we construct a generalization of the approach such that macroscopic conservation laws are respected. This is achieved by exploiting the freedom for the choice of the starting point of the all-order perturbation theory in the inter-cluster hopping. The proposed conserving CPT is a self-consistent propagation scheme which respects the conservation of energy, particle number and spin, which treats short-range correlations exactly up to the linear scale of the cluster, and which represents"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.01057","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":""},"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":"2026-05-18T00:44:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ExYw7jmMDmfeygexqaUC0EJaV7Eb7IyqFV4RDa8dwbWpVeMpc6o79XAGrGXyrhtfhP9RZWNQst/CdiTVHEV4Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T19:20:37.858867Z"},"content_sha256":"cbd511da93f8a666529af89f9539428ed48ea462a478aa8c8d114be766e783c4","schema_version":"1.0","event_id":"sha256:cbd511da93f8a666529af89f9539428ed48ea462a478aa8c8d114be766e783c4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YEQE6JURFNKZFPT7FC6FHGFSWJ/bundle.json","state_url":"https://pith.science/pith/YEQE6JURFNKZFPT7FC6FHGFSWJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YEQE6JURFNKZFPT7FC6FHGFSWJ/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":"2026-06-04T19:20:37Z","links":{"resolver":"https://pith.science/pith/YEQE6JURFNKZFPT7FC6FHGFSWJ","bundle":"https://pith.science/pith/YEQE6JURFNKZFPT7FC6FHGFSWJ/bundle.json","state":"https://pith.science/pith/YEQE6JURFNKZFPT7FC6FHGFSWJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YEQE6JURFNKZFPT7FC6FHGFSWJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:YEQE6JURFNKZFPT7FC6FHGFSWJ","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":"1921b8c48566254c2574eef429a2e9981f0e717e0e82ccfebd3662c4a801f611","cross_cats_sorted":["cond-mat.quant-gas"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2017-01-04T16:04:33Z","title_canon_sha256":"9012a3851a7ee45ac9d5d78e99633688d60c929546611bd574699d55818efcb0"},"schema_version":"1.0","source":{"id":"1701.01057","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.01057","created_at":"2026-05-18T00:44:13Z"},{"alias_kind":"arxiv_version","alias_value":"1701.01057v2","created_at":"2026-05-18T00:44:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.01057","created_at":"2026-05-18T00:44:13Z"},{"alias_kind":"pith_short_12","alias_value":"YEQE6JURFNKZ","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_16","alias_value":"YEQE6JURFNKZFPT7","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_8","alias_value":"YEQE6JUR","created_at":"2026-05-18T12:31:56Z"}],"graph_snapshots":[{"event_id":"sha256:cbd511da93f8a666529af89f9539428ed48ea462a478aa8c8d114be766e783c4","target":"graph","created_at":"2026-05-18T00:44:13Z","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":"Using the recently introduced time-local formulation of the nonequilibrium cluster perturbation theory (CPT), we construct a generalization of the approach such that macroscopic conservation laws are respected. This is achieved by exploiting the freedom for the choice of the starting point of the all-order perturbation theory in the inter-cluster hopping. The proposed conserving CPT is a self-consistent propagation scheme which respects the conservation of energy, particle number and spin, which treats short-range correlations exactly up to the linear scale of the cluster, and which represents","authors_text":"Christian Gramsch, Michael Potthoff","cross_cats":["cond-mat.quant-gas"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2017-01-04T16:04:33Z","title":"Enforcing conservation laws in nonequilibrium cluster perturbation theory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.01057","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":"sha256:7c8e8ad86f9e8e107581327e9f8347c354238b76ff7dfb3c95c190e1db0983ca","target":"record","created_at":"2026-05-18T00:44:13Z","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":"1921b8c48566254c2574eef429a2e9981f0e717e0e82ccfebd3662c4a801f611","cross_cats_sorted":["cond-mat.quant-gas"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2017-01-04T16:04:33Z","title_canon_sha256":"9012a3851a7ee45ac9d5d78e99633688d60c929546611bd574699d55818efcb0"},"schema_version":"1.0","source":{"id":"1701.01057","kind":"arxiv","version":2}},"canonical_sha256":"c1204f26912b5592be7f28bc5398b2b2555413e15e6c1e99cdfd3d0a64837381","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c1204f26912b5592be7f28bc5398b2b2555413e15e6c1e99cdfd3d0a64837381","first_computed_at":"2026-05-18T00:44:13.479227Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:44:13.479227Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5ksVZP7Cotx2xfR70km4+oBhs2JN84wFyE3ledDWFaTuly96OFT+RbcgH6YHIL8oej4pqwsf8qyD4Ckzf6FUAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:44:13.479664Z","signed_message":"canonical_sha256_bytes"},"source_id":"1701.01057","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7c8e8ad86f9e8e107581327e9f8347c354238b76ff7dfb3c95c190e1db0983ca","sha256:cbd511da93f8a666529af89f9539428ed48ea462a478aa8c8d114be766e783c4"],"state_sha256":"d6c6992b3947b67e6266e857541ff67205a15e05c961f910527a6288d1813296"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3iOlUDmj4FHXgfSOItnBuwQIG6HZSx5ABd8HLWMJIqoSC1gMfhIWrQZlZzTUXwnOjFj2mbEKNo74k+g056KHBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T19:20:37.861077Z","bundle_sha256":"fbcca35a3729ebbb5406eec9ec38740b4c37df284d4d26b77f5d9daef6bfcd9d"}}