{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:7HZ5MQP6HP6V45543YCV2GQZKJ","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":"020ebd50230495e8fb81639230d789830568b13458e827d58f01bf2cca935b0f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-06-27T13:27:50Z","title_canon_sha256":"e21c0fdc68363cb3df02d463f4e65fa85943ef7998575c512069ef7fbff0f2e8"},"schema_version":"1.0","source":{"id":"2306.15462","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2306.15462","created_at":"2026-07-05T07:10:48Z"},{"alias_kind":"arxiv_version","alias_value":"2306.15462v2","created_at":"2026-07-05T07:10:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2306.15462","created_at":"2026-07-05T07:10:48Z"},{"alias_kind":"pith_short_12","alias_value":"7HZ5MQP6HP6V","created_at":"2026-07-05T07:10:48Z"},{"alias_kind":"pith_short_16","alias_value":"7HZ5MQP6HP6V4554","created_at":"2026-07-05T07:10:48Z"},{"alias_kind":"pith_short_8","alias_value":"7HZ5MQP6","created_at":"2026-07-05T07:10:48Z"}],"graph_snapshots":[{"event_id":"sha256:62aa60d080d5a7124dd563d54331c3d528c83adbc9fae90876cad0e477cc8f30","target":"graph","created_at":"2026-07-05T07:10:48Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2306.15462/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"EPIq (Electron-Phonon wannier Interpolation over k and q-points) is an open-source software for the calculation of electron-phonon interaction related properties from first principles.Acting as a post-processing tool for a density-functional perturbation theory code ( Quantum ESPRESSO ) and wannier90, EPIq exploits the localization of the deformation potential in the Wannier function basis and the stationary properties of a force-constant functional with respect to the first-order perturbation of the electronic charge density to calculate many electron-phonon related properties with high accur","authors_text":"Francesco Macheda, Francesco Mauri, Gianni Profeta, Giovanni Marini, Guglielmo Marchese, Jelena Sjakste, Matteo Calandra, Nathalie Vast","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-06-27T13:27:50Z","title":"EPIq : an open-source software for the calculation of electron-phonon interaction related properties"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2306.15462","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":"sha256:7c20d2defd8f9467b20cf71975131ffde9850af63ede02b3892e84d7845f1f7b","target":"record","created_at":"2026-07-05T07:10:48Z","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":"020ebd50230495e8fb81639230d789830568b13458e827d58f01bf2cca935b0f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-06-27T13:27:50Z","title_canon_sha256":"e21c0fdc68363cb3df02d463f4e65fa85943ef7998575c512069ef7fbff0f2e8"},"schema_version":"1.0","source":{"id":"2306.15462","kind":"arxiv","version":2}},"canonical_sha256":"f9f3d641fe3bfd5e77bcde055d1a19524be921828a1b7bf2c39f0c432a27d913","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f9f3d641fe3bfd5e77bcde055d1a19524be921828a1b7bf2c39f0c432a27d913","first_computed_at":"2026-07-05T07:10:48.830464Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:10:48.830464Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Uajvl6KlzImBWsv4iSlbP1Aw0yD8wjXk1I9i6jqacDUJQ7gZ4hmnE864RSvrql6YHxt0Jm0eM1+x55ZXXBlrDg==","signature_status":"signed_v1","signed_at":"2026-07-05T07:10:48.830969Z","signed_message":"canonical_sha256_bytes"},"source_id":"2306.15462","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7c20d2defd8f9467b20cf71975131ffde9850af63ede02b3892e84d7845f1f7b","sha256:62aa60d080d5a7124dd563d54331c3d528c83adbc9fae90876cad0e477cc8f30"],"state_sha256":"0e78fc91086717de29b22bf659694b734c2464e946a41ea1449b7066a2d7cb20"}