{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:ZBXWA75JAB57O2DFIOVMVWKH2E","short_pith_number":"pith:ZBXWA75J","schema_version":"1.0","canonical_sha256":"c86f607fa9007bf7686543aacad947d1374dc7be8484a5cc94ad690e5870a431","source":{"kind":"arxiv","id":"2401.01550","version":2},"attestation_state":"computed","paper":{"title":"Atomic Cluster Expansion without Self-Interaction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.NA","physics.comp-ph"],"primary_cat":"math.NA","authors_text":"Cheuk Hin Ho, Christoph Ortner, Timon S. Gutleb","submitted_at":"2024-01-03T05:53:10Z","abstract_excerpt":"The Atomic Cluster Expansion (ACE) (Drautz, Phys. Rev. B 99, 2019) has been widely applied in high energy physics, quantum mechanics and atomistic modeling to construct many-body interaction models respecting physical symmetries. Computational efficiency is achieved by allowing non-physical self-interaction terms in the model. We propose and analyze an efficient method to evaluate and parameterize an orthogonal, or, non-self-interacting cluster expansion model. We present numerical experiments demonstrating improved conditioning and more robust approximation properties than the original expans"},"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":"2401.01550","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.NA","submitted_at":"2024-01-03T05:53:10Z","cross_cats_sorted":["cs.NA","physics.comp-ph"],"title_canon_sha256":"acb37c351f862d283c12f9cfeff309a18827933d0dd7d1f800ced73d8f616f83","abstract_canon_sha256":"ac1d220ca2af5da566bacd1e0a55a819a0b9d6f503aa211e0093ff15b54a2149"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:30:24.672283Z","signature_b64":"679o++F83LPZj0MCjoz6fRfxI3R3lzjiUujQsf3ZDQT7C2wAjFjmpqWVuB6xr5Fpv+XIZRO4g2G6bkHNqevUCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c86f607fa9007bf7686543aacad947d1374dc7be8484a5cc94ad690e5870a431","last_reissued_at":"2026-07-05T07:30:24.671743Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:30:24.671743Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Atomic Cluster Expansion without Self-Interaction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.NA","physics.comp-ph"],"primary_cat":"math.NA","authors_text":"Cheuk Hin Ho, Christoph Ortner, Timon S. Gutleb","submitted_at":"2024-01-03T05:53:10Z","abstract_excerpt":"The Atomic Cluster Expansion (ACE) (Drautz, Phys. Rev. B 99, 2019) has been widely applied in high energy physics, quantum mechanics and atomistic modeling to construct many-body interaction models respecting physical symmetries. Computational efficiency is achieved by allowing non-physical self-interaction terms in the model. We propose and analyze an efficient method to evaluate and parameterize an orthogonal, or, non-self-interacting cluster expansion model. We present numerical experiments demonstrating improved conditioning and more robust approximation properties than the original expans"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2401.01550","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/2401.01550/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":"2401.01550","created_at":"2026-07-05T07:30:24.671799+00:00"},{"alias_kind":"arxiv_version","alias_value":"2401.01550v2","created_at":"2026-07-05T07:30:24.671799+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2401.01550","created_at":"2026-07-05T07:30:24.671799+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZBXWA75JAB57","created_at":"2026-07-05T07:30:24.671799+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZBXWA75JAB57O2DF","created_at":"2026-07-05T07:30:24.671799+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZBXWA75J","created_at":"2026-07-05T07:30:24.671799+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2506.07401","citing_title":"A Study on the Fine-Tuning Performance of Universal Machine-Learned Interatomic Potentials (U-MLIPs)","ref_index":49,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/ZBXWA75JAB57O2DFIOVMVWKH2E","json":"https://pith.science/pith/ZBXWA75JAB57O2DFIOVMVWKH2E.json","graph_json":"https://pith.science/api/pith-number/ZBXWA75JAB57O2DFIOVMVWKH2E/graph.json","events_json":"https://pith.science/api/pith-number/ZBXWA75JAB57O2DFIOVMVWKH2E/events.json","paper":"https://pith.science/paper/ZBXWA75J"},"agent_actions":{"view_html":"https://pith.science/pith/ZBXWA75JAB57O2DFIOVMVWKH2E","download_json":"https://pith.science/pith/ZBXWA75JAB57O2DFIOVMVWKH2E.json","view_paper":"https://pith.science/paper/ZBXWA75J","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2401.01550&json=true","fetch_graph":"https://pith.science/api/pith-number/ZBXWA75JAB57O2DFIOVMVWKH2E/graph.json","fetch_events":"https://pith.science/api/pith-number/ZBXWA75JAB57O2DFIOVMVWKH2E/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZBXWA75JAB57O2DFIOVMVWKH2E/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZBXWA75JAB57O2DFIOVMVWKH2E/action/storage_attestation","attest_author":"https://pith.science/pith/ZBXWA75JAB57O2DFIOVMVWKH2E/action/author_attestation","sign_citation":"https://pith.science/pith/ZBXWA75JAB57O2DFIOVMVWKH2E/action/citation_signature","submit_replication":"https://pith.science/pith/ZBXWA75JAB57O2DFIOVMVWKH2E/action/replication_record"}},"created_at":"2026-07-05T07:30:24.671799+00:00","updated_at":"2026-07-05T07:30:24.671799+00:00"}