{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:WFH47KHIFMU2JXTN37QDX6E5TV","short_pith_number":"pith:WFH47KHI","schema_version":"1.0","canonical_sha256":"b14fcfa8e82b29a4de6ddfe03bf89d9d69ddb73f6e85fb6762cf1a151a361f8c","source":{"kind":"arxiv","id":"2010.08482","version":1},"attestation_state":"computed","paper":{"title":"Accelerated impurity solver for DMFT and its diagrammatic extensions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Andr\\'e-Marie Tremblay, Corey Melnick, Gabriel Kotliar, Kwangmin Yu, Nicholas D'Imperio, Patrick S\\'emon","submitted_at":"2020-10-16T16:33:25Z","abstract_excerpt":"We present ComCTQMC, a GPU accelerated quantum impurity solver. It uses the continuous-time quantum Monte Carlo (CTQMC) algorithm wherein the partition function is expanded in terms of the hybridisation function (CT-HYB). ComCTQMC supports both partition and worm-space measurements, and it uses improved estimators and the reduced density matrix to improve observable measurements whenever possible. ComCTQMC efficiently measures all one and two-particle Green's functions, all static observables which commute with the local Hamiltonian, and the occupation of each impurity orbital. ComCTQMC can so"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2010.08482","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2020-10-16T16:33:25Z","cross_cats_sorted":[],"title_canon_sha256":"fae6f3d8a2fe3bd3fb2f8448f34976c655b46f0cbaede8ce4d71c4f14d9b049a","abstract_canon_sha256":"69ffd6ed0d8e1562782168c9bd17623074f1c80f64cb1512e26a7f9dcce6956f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:00:46.698787Z","signature_b64":"rY/k5bx+E2TU+BTM1+M1nptPx3o+R1ue7L6qigaHMZ28rh8E9+VB5YHHpmgVpKUZF8u7D8+J9ftJVMmB1J6SAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b14fcfa8e82b29a4de6ddfe03bf89d9d69ddb73f6e85fb6762cf1a151a361f8c","last_reissued_at":"2026-07-05T03:00:46.698373Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:00:46.698373Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Accelerated impurity solver for DMFT and its diagrammatic extensions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Andr\\'e-Marie Tremblay, Corey Melnick, Gabriel Kotliar, Kwangmin Yu, Nicholas D'Imperio, Patrick S\\'emon","submitted_at":"2020-10-16T16:33:25Z","abstract_excerpt":"We present ComCTQMC, a GPU accelerated quantum impurity solver. It uses the continuous-time quantum Monte Carlo (CTQMC) algorithm wherein the partition function is expanded in terms of the hybridisation function (CT-HYB). ComCTQMC supports both partition and worm-space measurements, and it uses improved estimators and the reduced density matrix to improve observable measurements whenever possible. ComCTQMC efficiently measures all one and two-particle Green's functions, all static observables which commute with the local Hamiltonian, and the occupation of each impurity orbital. ComCTQMC can so"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2010.08482","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/2010.08482/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2010.08482","created_at":"2026-07-05T03:00:46.698435+00:00"},{"alias_kind":"arxiv_version","alias_value":"2010.08482v1","created_at":"2026-07-05T03:00:46.698435+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2010.08482","created_at":"2026-07-05T03:00:46.698435+00:00"},{"alias_kind":"pith_short_12","alias_value":"WFH47KHIFMU2","created_at":"2026-07-05T03:00:46.698435+00:00"},{"alias_kind":"pith_short_16","alias_value":"WFH47KHIFMU2JXTN","created_at":"2026-07-05T03:00:46.698435+00:00"},{"alias_kind":"pith_short_8","alias_value":"WFH47KHI","created_at":"2026-07-05T03:00:46.698435+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/WFH47KHIFMU2JXTN37QDX6E5TV","json":"https://pith.science/pith/WFH47KHIFMU2JXTN37QDX6E5TV.json","graph_json":"https://pith.science/api/pith-number/WFH47KHIFMU2JXTN37QDX6E5TV/graph.json","events_json":"https://pith.science/api/pith-number/WFH47KHIFMU2JXTN37QDX6E5TV/events.json","paper":"https://pith.science/paper/WFH47KHI"},"agent_actions":{"view_html":"https://pith.science/pith/WFH47KHIFMU2JXTN37QDX6E5TV","download_json":"https://pith.science/pith/WFH47KHIFMU2JXTN37QDX6E5TV.json","view_paper":"https://pith.science/paper/WFH47KHI","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2010.08482&json=true","fetch_graph":"https://pith.science/api/pith-number/WFH47KHIFMU2JXTN37QDX6E5TV/graph.json","fetch_events":"https://pith.science/api/pith-number/WFH47KHIFMU2JXTN37QDX6E5TV/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WFH47KHIFMU2JXTN37QDX6E5TV/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WFH47KHIFMU2JXTN37QDX6E5TV/action/storage_attestation","attest_author":"https://pith.science/pith/WFH47KHIFMU2JXTN37QDX6E5TV/action/author_attestation","sign_citation":"https://pith.science/pith/WFH47KHIFMU2JXTN37QDX6E5TV/action/citation_signature","submit_replication":"https://pith.science/pith/WFH47KHIFMU2JXTN37QDX6E5TV/action/replication_record"}},"created_at":"2026-07-05T03:00:46.698435+00:00","updated_at":"2026-07-05T03:00:46.698435+00:00"}