{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:DQF7LYP72HN2CMZPIQYRR2QEN4","short_pith_number":"pith:DQF7LYP7","schema_version":"1.0","canonical_sha256":"1c0bf5e1ffd1dba1332f443118ea046f3b642d881b119a848720eb62120ab14c","source":{"kind":"arxiv","id":"1512.03757","version":1},"attestation_state":"computed","paper":{"title":"Efficient heat-bath sampling in Fock space","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.chem-ph"],"primary_cat":"cond-mat.str-el","authors_text":"Adam Holmes, C.J. Umrigar, Hitesh J. Changlani","submitted_at":"2015-12-11T19:00:50Z","abstract_excerpt":"We introduce an algorithm for sampling many-body quantum states in Fock space. The algorithm efficiently samples states with probability approximately proportional to an arbitrary function of the second-quantized Hamiltonian matrix element connecting the sampled state to the current state. We apply the new sampling algorithm to the recently-developed Semistochastic Full Configuration Interaction Quantum Monte Carlo method (S-FCIQMC), a semistochastic implementation of the power method for projecting out the ground state energy in a basis of Slater determinants. The heat-bath sampling requires "},"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":"1512.03757","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-12-11T19:00:50Z","cross_cats_sorted":["physics.chem-ph"],"title_canon_sha256":"19148923a983e4dd512134f6d1297f2d63bef8d17e8d8feda14331d7d5e2c5e8","abstract_canon_sha256":"fdc5765afb5691882a115cb6f2028371085fac2ab8c780251587c61c1cfdb55a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:16:09.408569Z","signature_b64":"3EpM9gHL9Wv8xFFFjQ6l7e7NKaqpl5VrzCOkJro73yHXxv4f12W0/tiJMYQ9b8Ipj5opfPB/VX+8ay2/mf6bBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1c0bf5e1ffd1dba1332f443118ea046f3b642d881b119a848720eb62120ab14c","last_reissued_at":"2026-05-18T01:16:09.407889Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:16:09.407889Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Efficient heat-bath sampling in Fock space","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.chem-ph"],"primary_cat":"cond-mat.str-el","authors_text":"Adam Holmes, C.J. Umrigar, Hitesh J. Changlani","submitted_at":"2015-12-11T19:00:50Z","abstract_excerpt":"We introduce an algorithm for sampling many-body quantum states in Fock space. The algorithm efficiently samples states with probability approximately proportional to an arbitrary function of the second-quantized Hamiltonian matrix element connecting the sampled state to the current state. We apply the new sampling algorithm to the recently-developed Semistochastic Full Configuration Interaction Quantum Monte Carlo method (S-FCIQMC), a semistochastic implementation of the power method for projecting out the ground state energy in a basis of Slater determinants. The heat-bath sampling requires "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.03757","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1512.03757","created_at":"2026-05-18T01:16:09.408003+00:00"},{"alias_kind":"arxiv_version","alias_value":"1512.03757v1","created_at":"2026-05-18T01:16:09.408003+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.03757","created_at":"2026-05-18T01:16:09.408003+00:00"},{"alias_kind":"pith_short_12","alias_value":"DQF7LYP72HN2","created_at":"2026-05-18T12:29:17.054201+00:00"},{"alias_kind":"pith_short_16","alias_value":"DQF7LYP72HN2CMZP","created_at":"2026-05-18T12:29:17.054201+00:00"},{"alias_kind":"pith_short_8","alias_value":"DQF7LYP7","created_at":"2026-05-18T12:29:17.054201+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/DQF7LYP72HN2CMZPIQYRR2QEN4","json":"https://pith.science/pith/DQF7LYP72HN2CMZPIQYRR2QEN4.json","graph_json":"https://pith.science/api/pith-number/DQF7LYP72HN2CMZPIQYRR2QEN4/graph.json","events_json":"https://pith.science/api/pith-number/DQF7LYP72HN2CMZPIQYRR2QEN4/events.json","paper":"https://pith.science/paper/DQF7LYP7"},"agent_actions":{"view_html":"https://pith.science/pith/DQF7LYP72HN2CMZPIQYRR2QEN4","download_json":"https://pith.science/pith/DQF7LYP72HN2CMZPIQYRR2QEN4.json","view_paper":"https://pith.science/paper/DQF7LYP7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1512.03757&json=true","fetch_graph":"https://pith.science/api/pith-number/DQF7LYP72HN2CMZPIQYRR2QEN4/graph.json","fetch_events":"https://pith.science/api/pith-number/DQF7LYP72HN2CMZPIQYRR2QEN4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DQF7LYP72HN2CMZPIQYRR2QEN4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DQF7LYP72HN2CMZPIQYRR2QEN4/action/storage_attestation","attest_author":"https://pith.science/pith/DQF7LYP72HN2CMZPIQYRR2QEN4/action/author_attestation","sign_citation":"https://pith.science/pith/DQF7LYP72HN2CMZPIQYRR2QEN4/action/citation_signature","submit_replication":"https://pith.science/pith/DQF7LYP72HN2CMZPIQYRR2QEN4/action/replication_record"}},"created_at":"2026-05-18T01:16:09.408003+00:00","updated_at":"2026-05-18T01:16:09.408003+00:00"}