{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:KQC3MJY6SPNZJPEC5FJKPPU6NL","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":"6d505a45304836739b503795f7771eac21beb48f6b8b77f6fcead16068b0073d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2015-10-26T15:28:04Z","title_canon_sha256":"e57486e345b377558ce0f02cd76f13faf6b7fa005976477e4063a9645a605a95"},"schema_version":"1.0","source":{"id":"1510.07512","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.07512","created_at":"2026-05-18T01:15:00Z"},{"alias_kind":"arxiv_version","alias_value":"1510.07512v3","created_at":"2026-05-18T01:15:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.07512","created_at":"2026-05-18T01:15:00Z"},{"alias_kind":"pith_short_12","alias_value":"KQC3MJY6SPNZ","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_16","alias_value":"KQC3MJY6SPNZJPEC","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_8","alias_value":"KQC3MJY6","created_at":"2026-05-18T12:29:29Z"}],"graph_snapshots":[{"event_id":"sha256:df2217999cccbae1371acd2e82b396726c3b68ba3afdfb139c1a4847b2cd24ca","target":"graph","created_at":"2026-05-18T01:15:00Z","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":"We review recent studies dealing with the generation of machine learning models of molecular and solid properties. The models are trained and validated using standard quantum chemistry results obtained for organic molecules and materials selected from chemical space at random.","authors_text":"O. Anatole von Lilienfeld, Raghunathan Ramakrishnan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2015-10-26T15:28:04Z","title":"Machine Learning, Quantum Mechanics, and Chemical Compound Space"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.07512","kind":"arxiv","version":3},"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":"sha256:43abdcdfccfba3f745336511be756d70b9a4b266134767a632cf7ee4d99d1d69","target":"record","created_at":"2026-05-18T01:15:00Z","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":"6d505a45304836739b503795f7771eac21beb48f6b8b77f6fcead16068b0073d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2015-10-26T15:28:04Z","title_canon_sha256":"e57486e345b377558ce0f02cd76f13faf6b7fa005976477e4063a9645a605a95"},"schema_version":"1.0","source":{"id":"1510.07512","kind":"arxiv","version":3}},"canonical_sha256":"5405b6271e93db94bc82e952a7be9e6ad63ef5f4733cbd6eaac50657dd3dea85","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5405b6271e93db94bc82e952a7be9e6ad63ef5f4733cbd6eaac50657dd3dea85","first_computed_at":"2026-05-18T01:15:00.244791Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:15:00.244791Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6ASyoXaJzH9//DubM7Z5zVm+1FL2y9aWgvWLxaN0BOcK5uVED1Ur6JWMfGUWUm41Y3IlOH14mxblNzOcWsw2Aw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:15:00.245503Z","signed_message":"canonical_sha256_bytes"},"source_id":"1510.07512","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:43abdcdfccfba3f745336511be756d70b9a4b266134767a632cf7ee4d99d1d69","sha256:df2217999cccbae1371acd2e82b396726c3b68ba3afdfb139c1a4847b2cd24ca"],"state_sha256":"b6fd217336b6334d555be00d7af7b8faa3e2fe435fb9dd0e6f67146fa4a4ca8b"}