{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:WESVYCL4FEHH3RJWDAKKBLFOTO","short_pith_number":"pith:WESVYCL4","schema_version":"1.0","canonical_sha256":"b1255c097c290e7dc5361814a0acae9b9a6c16e7a45acee0edd311c70bff215f","source":{"kind":"arxiv","id":"2502.00103","version":2},"attestation_state":"computed","paper":{"title":"Theory of ab initio downfolding with arbitrary range electron-phonon coupling","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Andres Montoya-Castillo, Antonios M. Alvertis, Chih-En Hsu, Christopher J. N. Coveney, Jeffrey B. Neaton, Marina R. Filip, Norm M. Tubman, Vojtech Vlcek, Zhenglu Li","submitted_at":"2025-01-31T19:00:02Z","abstract_excerpt":"Ab initio downfolding describes the electronic structure of materials within a low-energy subspace, often around the Fermi level. Typically starting from mean-field calculations, this framework allows for the calculation of one- and two-electron interactions, and the parametrization of a many-body Hamiltonian representing the active space of interest. The subsequent solution of such Hamiltonians can provide insights into the physics of strongly-correlated materials. While phonons can substantially screen electron-electron interactions, electron-phonon coupling has been commonly ignored within "},"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":"2502.00103","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-01-31T19:00:02Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"1fc19dc57b0dda5a0de5c342cf3267c6292ac5fbdf0496d6d1faadee86202a0a","abstract_canon_sha256":"89c2171bbcbe0f0eaf7df05d2bea727ffdcfdbfe3401310ab4a22f40841ff92a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-26T01:15:43.487017Z","signature_b64":"Nz4KLcSFzeKdrIN+ne6fcLaVw/M96qr0VyOdXKKLQrpQmomptN5MKL9/z9CY8c8xq6YU3vlBZ9UaC7mSLP7MAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b1255c097c290e7dc5361814a0acae9b9a6c16e7a45acee0edd311c70bff215f","last_reissued_at":"2026-06-26T01:15:43.486470Z","signature_status":"signed_v1","first_computed_at":"2026-06-26T01:15:43.486470Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Theory of ab initio downfolding with arbitrary range electron-phonon coupling","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Andres Montoya-Castillo, Antonios M. Alvertis, Chih-En Hsu, Christopher J. N. Coveney, Jeffrey B. Neaton, Marina R. Filip, Norm M. Tubman, Vojtech Vlcek, Zhenglu Li","submitted_at":"2025-01-31T19:00:02Z","abstract_excerpt":"Ab initio downfolding describes the electronic structure of materials within a low-energy subspace, often around the Fermi level. Typically starting from mean-field calculations, this framework allows for the calculation of one- and two-electron interactions, and the parametrization of a many-body Hamiltonian representing the active space of interest. The subsequent solution of such Hamiltonians can provide insights into the physics of strongly-correlated materials. While phonons can substantially screen electron-electron interactions, electron-phonon coupling has been commonly ignored within "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.00103","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2502.00103/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":"2502.00103","created_at":"2026-06-26T01:15:43.486531+00:00"},{"alias_kind":"arxiv_version","alias_value":"2502.00103v2","created_at":"2026-06-26T01:15:43.486531+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.00103","created_at":"2026-06-26T01:15:43.486531+00:00"},{"alias_kind":"pith_short_12","alias_value":"WESVYCL4FEHH","created_at":"2026-06-26T01:15:43.486531+00:00"},{"alias_kind":"pith_short_16","alias_value":"WESVYCL4FEHH3RJW","created_at":"2026-06-26T01:15:43.486531+00:00"},{"alias_kind":"pith_short_8","alias_value":"WESVYCL4","created_at":"2026-06-26T01:15:43.486531+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/WESVYCL4FEHH3RJWDAKKBLFOTO","json":"https://pith.science/pith/WESVYCL4FEHH3RJWDAKKBLFOTO.json","graph_json":"https://pith.science/api/pith-number/WESVYCL4FEHH3RJWDAKKBLFOTO/graph.json","events_json":"https://pith.science/api/pith-number/WESVYCL4FEHH3RJWDAKKBLFOTO/events.json","paper":"https://pith.science/paper/WESVYCL4"},"agent_actions":{"view_html":"https://pith.science/pith/WESVYCL4FEHH3RJWDAKKBLFOTO","download_json":"https://pith.science/pith/WESVYCL4FEHH3RJWDAKKBLFOTO.json","view_paper":"https://pith.science/paper/WESVYCL4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2502.00103&json=true","fetch_graph":"https://pith.science/api/pith-number/WESVYCL4FEHH3RJWDAKKBLFOTO/graph.json","fetch_events":"https://pith.science/api/pith-number/WESVYCL4FEHH3RJWDAKKBLFOTO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WESVYCL4FEHH3RJWDAKKBLFOTO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WESVYCL4FEHH3RJWDAKKBLFOTO/action/storage_attestation","attest_author":"https://pith.science/pith/WESVYCL4FEHH3RJWDAKKBLFOTO/action/author_attestation","sign_citation":"https://pith.science/pith/WESVYCL4FEHH3RJWDAKKBLFOTO/action/citation_signature","submit_replication":"https://pith.science/pith/WESVYCL4FEHH3RJWDAKKBLFOTO/action/replication_record"}},"created_at":"2026-06-26T01:15:43.486531+00:00","updated_at":"2026-06-26T01:15:43.486531+00:00"}