{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:F3NWNQY3B5TYTIXBX2EUB25TWJ","short_pith_number":"pith:F3NWNQY3","canonical_record":{"source":{"id":"2408.15165","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2024-08-27T16:03:18Z","cross_cats_sorted":["cond-mat.mtrl-sci","physics.chem-ph","physics.comp-ph"],"title_canon_sha256":"837ebe766931221b8d834c0e52d2130ab046571f18c18e2bda608f578c25fa71","abstract_canon_sha256":"28c711538078787ca0e7035d6053dd2764eed0925af9de936084392127d35c40"},"schema_version":"1.0"},"canonical_sha256":"2edb66c31b0f6789a2e1be8940ebb3b2548cb79990fe93f7602fd20ab3c68377","source":{"kind":"arxiv","id":"2408.15165","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2408.15165","created_at":"2026-07-05T09:51:35Z"},{"alias_kind":"arxiv_version","alias_value":"2408.15165v2","created_at":"2026-07-05T09:51:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2408.15165","created_at":"2026-07-05T09:51:35Z"},{"alias_kind":"pith_short_12","alias_value":"F3NWNQY3B5TY","created_at":"2026-07-05T09:51:35Z"},{"alias_kind":"pith_short_16","alias_value":"F3NWNQY3B5TYTIXB","created_at":"2026-07-05T09:51:35Z"},{"alias_kind":"pith_short_8","alias_value":"F3NWNQY3","created_at":"2026-07-05T09:51:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:F3NWNQY3B5TYTIXBX2EUB25TWJ","target":"record","payload":{"canonical_record":{"source":{"id":"2408.15165","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2024-08-27T16:03:18Z","cross_cats_sorted":["cond-mat.mtrl-sci","physics.chem-ph","physics.comp-ph"],"title_canon_sha256":"837ebe766931221b8d834c0e52d2130ab046571f18c18e2bda608f578c25fa71","abstract_canon_sha256":"28c711538078787ca0e7035d6053dd2764eed0925af9de936084392127d35c40"},"schema_version":"1.0"},"canonical_sha256":"2edb66c31b0f6789a2e1be8940ebb3b2548cb79990fe93f7602fd20ab3c68377","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:51:35.759995Z","signature_b64":"Sbs9nAcgyXKnJdBgLwBRV+C7wNBYEg0lQCEdA3hnrweCxVu13y+9aDvCzq+H2CXKkH9UQwXzThmul2f24foWAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2edb66c31b0f6789a2e1be8940ebb3b2548cb79990fe93f7602fd20ab3c68377","last_reissued_at":"2026-07-05T09:51:35.759481Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:51:35.759481Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2408.15165","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T09:51:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VE2NsEeYLjLvcim373YDgYI08PXfx9ByIGg0AkYbA2ITxc6hqSnjVhEhBIaFN0R+5oVzxOioXaGVRRB6wLEFCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T09:00:53.445336Z"},"content_sha256":"2bc969612d6579325c071bc7d28aa7913fe402bda04d5c960496b8cca908daca","schema_version":"1.0","event_id":"sha256:2bc969612d6579325c071bc7d28aa7913fe402bda04d5c960496b8cca908daca"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:F3NWNQY3B5TYTIXBX2EUB25TWJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Latent Ewald summation for machine learning of long-range interactions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","physics.chem-ph","physics.comp-ph"],"primary_cat":"cs.LG","authors_text":"Bingqing Cheng","submitted_at":"2024-08-27T16:03:18Z","abstract_excerpt":"Machine learning interatomic potentials (MLIPs) often neglect long-range interactions, such as electrostatic and dispersion forces. In this work, we introduce a straightforward and efficient method to account for long-range interactions by learning a latent variable from local atomic descriptors and applying an Ewald summation to this variable. We demonstrate that in systems including charged and polar molecular dimers, bulk water, and water-vapor interface, standard short-ranged MLIPs can lead to unphysical predictions even when employing message passing. The long-range models effectively eli"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2408.15165","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/2408.15165/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T09:51:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z5FS3u42Tn95CC+G2PuQ6HMndZmz9U4hXWHNcWMgl779znlLmmymSMjSupxWslUVNpVESq6KRhaOBQqN9NIdDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T09:00:53.446278Z"},"content_sha256":"5eef4dbf626a301f16ffab7836a11c150177b7602bbf13c3ffa460be79df4e14","schema_version":"1.0","event_id":"sha256:5eef4dbf626a301f16ffab7836a11c150177b7602bbf13c3ffa460be79df4e14"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/F3NWNQY3B5TYTIXBX2EUB25TWJ/bundle.json","state_url":"https://pith.science/pith/F3NWNQY3B5TYTIXBX2EUB25TWJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/F3NWNQY3B5TYTIXBX2EUB25TWJ/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-13T09:00:53Z","links":{"resolver":"https://pith.science/pith/F3NWNQY3B5TYTIXBX2EUB25TWJ","bundle":"https://pith.science/pith/F3NWNQY3B5TYTIXBX2EUB25TWJ/bundle.json","state":"https://pith.science/pith/F3NWNQY3B5TYTIXBX2EUB25TWJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/F3NWNQY3B5TYTIXBX2EUB25TWJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:F3NWNQY3B5TYTIXBX2EUB25TWJ","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":"28c711538078787ca0e7035d6053dd2764eed0925af9de936084392127d35c40","cross_cats_sorted":["cond-mat.mtrl-sci","physics.chem-ph","physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2024-08-27T16:03:18Z","title_canon_sha256":"837ebe766931221b8d834c0e52d2130ab046571f18c18e2bda608f578c25fa71"},"schema_version":"1.0","source":{"id":"2408.15165","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2408.15165","created_at":"2026-07-05T09:51:35Z"},{"alias_kind":"arxiv_version","alias_value":"2408.15165v2","created_at":"2026-07-05T09:51:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2408.15165","created_at":"2026-07-05T09:51:35Z"},{"alias_kind":"pith_short_12","alias_value":"F3NWNQY3B5TY","created_at":"2026-07-05T09:51:35Z"},{"alias_kind":"pith_short_16","alias_value":"F3NWNQY3B5TYTIXB","created_at":"2026-07-05T09:51:35Z"},{"alias_kind":"pith_short_8","alias_value":"F3NWNQY3","created_at":"2026-07-05T09:51:35Z"}],"graph_snapshots":[{"event_id":"sha256:5eef4dbf626a301f16ffab7836a11c150177b7602bbf13c3ffa460be79df4e14","target":"graph","created_at":"2026-07-05T09:51:35Z","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/2408.15165/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Machine learning interatomic potentials (MLIPs) often neglect long-range interactions, such as electrostatic and dispersion forces. In this work, we introduce a straightforward and efficient method to account for long-range interactions by learning a latent variable from local atomic descriptors and applying an Ewald summation to this variable. We demonstrate that in systems including charged and polar molecular dimers, bulk water, and water-vapor interface, standard short-ranged MLIPs can lead to unphysical predictions even when employing message passing. The long-range models effectively eli","authors_text":"Bingqing Cheng","cross_cats":["cond-mat.mtrl-sci","physics.chem-ph","physics.comp-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2024-08-27T16:03:18Z","title":"Latent Ewald summation for machine learning of long-range interactions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2408.15165","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":"sha256:2bc969612d6579325c071bc7d28aa7913fe402bda04d5c960496b8cca908daca","target":"record","created_at":"2026-07-05T09:51:35Z","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":"28c711538078787ca0e7035d6053dd2764eed0925af9de936084392127d35c40","cross_cats_sorted":["cond-mat.mtrl-sci","physics.chem-ph","physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2024-08-27T16:03:18Z","title_canon_sha256":"837ebe766931221b8d834c0e52d2130ab046571f18c18e2bda608f578c25fa71"},"schema_version":"1.0","source":{"id":"2408.15165","kind":"arxiv","version":2}},"canonical_sha256":"2edb66c31b0f6789a2e1be8940ebb3b2548cb79990fe93f7602fd20ab3c68377","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2edb66c31b0f6789a2e1be8940ebb3b2548cb79990fe93f7602fd20ab3c68377","first_computed_at":"2026-07-05T09:51:35.759481Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:51:35.759481Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Sbs9nAcgyXKnJdBgLwBRV+C7wNBYEg0lQCEdA3hnrweCxVu13y+9aDvCzq+H2CXKkH9UQwXzThmul2f24foWAg==","signature_status":"signed_v1","signed_at":"2026-07-05T09:51:35.759995Z","signed_message":"canonical_sha256_bytes"},"source_id":"2408.15165","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2bc969612d6579325c071bc7d28aa7913fe402bda04d5c960496b8cca908daca","sha256:5eef4dbf626a301f16ffab7836a11c150177b7602bbf13c3ffa460be79df4e14"],"state_sha256":"74072953996d853c3a7b325aad79618ba3de86dd094c436f663e873d65218dc3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ogasW/saoXoLa8+eyMSHn3qs+ZPozKvLNrQRAybC2rG07Psbi7Flw3yreHxcGXFN/T36W9z+xUZx2JbqB+K9AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T09:00:53.505115Z","bundle_sha256":"8101cb245b62ada8526fe7bbd9bb2152e30e2081e1ffe2f8912665e91590e401"}}