{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:SQRPMVG3TITOGYBL2LDCFKLZKA","short_pith_number":"pith:SQRPMVG3","schema_version":"1.0","canonical_sha256":"9422f654db9a26e3602bd2c622a979501f7fa477a96a7fa4cae3927bbc5470a2","source":{"kind":"arxiv","id":"2607.17314","version":1},"attestation_state":"computed","paper":{"title":"Interpolative Separable Density-Fitting for Transcorrelated Hamiltonians","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.str-el","physics.comp-ph"],"primary_cat":"physics.chem-ph","authors_text":"Ali Alavi, Ke Liao, Tianyu Zhu, Werner Dobrautz, Yifan Cheng","submitted_at":"2026-07-19T15:59:47Z","abstract_excerpt":"The transcorrelated (TC) method dramatically accelerates the convergence of correlated calculations toward the complete-basis-set (CBS) limit by folding a Jastrow correlator into the Hamiltonian via a similarity transformation, incorporating the electron--electron cusp into the effective interaction. We make the TC framework practical for large systems and flexible, multi-center correlators by compressing the grid-evaluated TC integrals with the interpolative separable density-fitting (ISDF) approximation, combined with the effective two-body (xTC) treatment of the three-body operator. This lo"},"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":"2607.17314","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.chem-ph","submitted_at":"2026-07-19T15:59:47Z","cross_cats_sorted":["cond-mat.str-el","physics.comp-ph"],"title_canon_sha256":"f49a78314617ccf57e62610a312261f61379aaaff38be5af172e6e92ecb796a9","abstract_canon_sha256":"702159c3b42f8abcb8bbfc8b144d1f74e9d9208a074cc4f2bb04e914acf83aff"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-21T01:21:26.894977Z","signature_b64":"du/WRTrOmOiCUSCKenG1L1b0aARwKFYRCxc/jBOGTou5gj5MPk0rwZ8BScKggZkTQptO3aH2mdA/+DCMztmhAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9422f654db9a26e3602bd2c622a979501f7fa477a96a7fa4cae3927bbc5470a2","last_reissued_at":"2026-07-21T01:21:26.894134Z","signature_status":"signed_v1","first_computed_at":"2026-07-21T01:21:26.894134Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Interpolative Separable Density-Fitting for Transcorrelated Hamiltonians","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.str-el","physics.comp-ph"],"primary_cat":"physics.chem-ph","authors_text":"Ali Alavi, Ke Liao, Tianyu Zhu, Werner Dobrautz, Yifan Cheng","submitted_at":"2026-07-19T15:59:47Z","abstract_excerpt":"The transcorrelated (TC) method dramatically accelerates the convergence of correlated calculations toward the complete-basis-set (CBS) limit by folding a Jastrow correlator into the Hamiltonian via a similarity transformation, incorporating the electron--electron cusp into the effective interaction. We make the TC framework practical for large systems and flexible, multi-center correlators by compressing the grid-evaluated TC integrals with the interpolative separable density-fitting (ISDF) approximation, combined with the effective two-body (xTC) treatment of the three-body operator. This lo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.17314","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/2607.17314/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":"2607.17314","created_at":"2026-07-21T01:21:26.894575+00:00"},{"alias_kind":"arxiv_version","alias_value":"2607.17314v1","created_at":"2026-07-21T01:21:26.894575+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.17314","created_at":"2026-07-21T01:21:26.894575+00:00"},{"alias_kind":"pith_short_12","alias_value":"SQRPMVG3TITO","created_at":"2026-07-21T01:21:26.894575+00:00"},{"alias_kind":"pith_short_16","alias_value":"SQRPMVG3TITOGYBL","created_at":"2026-07-21T01:21:26.894575+00:00"},{"alias_kind":"pith_short_8","alias_value":"SQRPMVG3","created_at":"2026-07-21T01:21:26.894575+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/SQRPMVG3TITOGYBL2LDCFKLZKA","json":"https://pith.science/pith/SQRPMVG3TITOGYBL2LDCFKLZKA.json","graph_json":"https://pith.science/api/pith-number/SQRPMVG3TITOGYBL2LDCFKLZKA/graph.json","events_json":"https://pith.science/api/pith-number/SQRPMVG3TITOGYBL2LDCFKLZKA/events.json","paper":"https://pith.science/paper/SQRPMVG3"},"agent_actions":{"view_html":"https://pith.science/pith/SQRPMVG3TITOGYBL2LDCFKLZKA","download_json":"https://pith.science/pith/SQRPMVG3TITOGYBL2LDCFKLZKA.json","view_paper":"https://pith.science/paper/SQRPMVG3","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2607.17314&json=true","fetch_graph":"https://pith.science/api/pith-number/SQRPMVG3TITOGYBL2LDCFKLZKA/graph.json","fetch_events":"https://pith.science/api/pith-number/SQRPMVG3TITOGYBL2LDCFKLZKA/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/SQRPMVG3TITOGYBL2LDCFKLZKA/action/timestamp_anchor","attest_storage":"https://pith.science/pith/SQRPMVG3TITOGYBL2LDCFKLZKA/action/storage_attestation","attest_author":"https://pith.science/pith/SQRPMVG3TITOGYBL2LDCFKLZKA/action/author_attestation","sign_citation":"https://pith.science/pith/SQRPMVG3TITOGYBL2LDCFKLZKA/action/citation_signature","submit_replication":"https://pith.science/pith/SQRPMVG3TITOGYBL2LDCFKLZKA/action/replication_record"}},"created_at":"2026-07-21T01:21:26.894575+00:00","updated_at":"2026-07-21T01:21:26.894575+00:00"}