{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:NFHVP3RJM55LNXELEJTEOSOGLP","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":"e451dfcda5e667678376e1e403042aeccb33a346d99dfb16774ff17526f004a0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-01-25T06:18:52Z","title_canon_sha256":"9b72bd1350171337a75f07c10ef4228b9d04897cb78c2cea29ee8e8039b88a0f"},"schema_version":"1.0","source":{"id":"1901.08749","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.08749","created_at":"2026-05-17T23:47:35Z"},{"alias_kind":"arxiv_version","alias_value":"1901.08749v2","created_at":"2026-05-17T23:47:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.08749","created_at":"2026-05-17T23:47:35Z"},{"alias_kind":"pith_short_12","alias_value":"NFHVP3RJM55L","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_16","alias_value":"NFHVP3RJM55LNXEL","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_8","alias_value":"NFHVP3RJ","created_at":"2026-05-18T12:33:24Z"}],"graph_snapshots":[{"event_id":"sha256:93efef188b630ef631804637ccba1c11de0682fbeca4a7b966673a19478b4b45","target":"graph","created_at":"2026-05-17T23:47:35Z","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"},"paper":{"abstract_excerpt":"Machine-learned interatomic potentials based on local environment descriptors represent a transformative leap over traditional potentials based on rigid functional forms in terms of prediction accuracy. However, a challenge in their application to ionic systems is the treatment of long-ranged electrostatics. Here, we present a highly accurate electrostatic Spectral Neighbor Analysis Potential (eSNAP) for ionic $\\alpha$-\\ce{Li3N}, a prototypical lithium superionic conductor of interest as a solid electrolyte or coating for rechargeable lithium-ion batteries. We show that the optimized eSNAP mod","authors_text":"Chi Chen, Shyue Ping Ong, Xiang-Guo Li, Zhi Deng","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-01-25T06:18:52Z","title":"An Electrostatic Spectral Neighbor Analysis Potential (eSNAP) for Lithium Nitride"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.08749","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":"sha256:65f371e1060d6ea826691b1231b4f006e85e8782cc83d5736f5b355e76e34ac3","target":"record","created_at":"2026-05-17T23:47:35Z","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":"e451dfcda5e667678376e1e403042aeccb33a346d99dfb16774ff17526f004a0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-01-25T06:18:52Z","title_canon_sha256":"9b72bd1350171337a75f07c10ef4228b9d04897cb78c2cea29ee8e8039b88a0f"},"schema_version":"1.0","source":{"id":"1901.08749","kind":"arxiv","version":2}},"canonical_sha256":"694f57ee29677ab6dc8b22664749c65bfa06f2993ccf1231a0246d111cbbb721","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"694f57ee29677ab6dc8b22664749c65bfa06f2993ccf1231a0246d111cbbb721","first_computed_at":"2026-05-17T23:47:35.787902Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:47:35.787902Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YRZ6XW3epjHoowQqgnotsJ50HfsPIB51LNdI7gDf4Y9/9sRoR05D39EEqmSSRRNSjAl7iojaBtRsRHoPY6+lDQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:47:35.788308Z","signed_message":"canonical_sha256_bytes"},"source_id":"1901.08749","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:65f371e1060d6ea826691b1231b4f006e85e8782cc83d5736f5b355e76e34ac3","sha256:93efef188b630ef631804637ccba1c11de0682fbeca4a7b966673a19478b4b45"],"state_sha256":"413c2d0417ad9d2765cf45e24dd7d6fa823def3e01cbfcd731f8d4f9890d18ad"}