{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:S26XZZAZJBBAQESYTUYJ3MVJCU","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":"8bc977066d98441576499fe1e7e8f96ac6ab52f1d149a5b80bee58a903c021c2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-01-25T12:20:43Z","title_canon_sha256":"d40dbf9e943856ca13c8c762410636478306ae46fa282bdfb5d894e9c86fcdd1"},"schema_version":"1.0","source":{"id":"1801.08372","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.08372","created_at":"2026-05-18T00:09:41Z"},{"alias_kind":"arxiv_version","alias_value":"1801.08372v2","created_at":"2026-05-18T00:09:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.08372","created_at":"2026-05-18T00:09:41Z"},{"alias_kind":"pith_short_12","alias_value":"S26XZZAZJBBA","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_16","alias_value":"S26XZZAZJBBAQESY","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_8","alias_value":"S26XZZAZ","created_at":"2026-05-18T12:32:50Z"}],"graph_snapshots":[{"event_id":"sha256:5035f6ac4edd4e6d6a6fe41a1aee1dba084a625652c71953ce5ee5e07e68ed5e","target":"graph","created_at":"2026-05-18T00:09:41Z","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":"Presented here is decryst, a software suite for structure determination from powder diffraction, which uses the direct space method, and is able to apply anti-bump constraints automatically and efficiently during the procedure of global optimisation using the crystallographic collision detection algorithm in arXiv:1708.03180. decryst employs incremental computation in its global optimisation cycles, which results in dramatic performance enhancement; it is also designed with parallel and distributed computing in mind, allowing for even better performance by simultaneous use of multiple processo","authors_text":"2) ((1) National Laboratory for Superconductivity, (2) University of Chinese Academy of Sciences), Chinese Academy of Sciences, Institute of Physics, Yu Liu (1","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-01-25T12:20:43Z","title":"decryst: an efficient software suite for structure determination from powder diffraction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.08372","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":"sha256:0e904ddc68c3d539b0f1a01b60b8f3a6bcffdb663d402c2678ffd7908e4a9596","target":"record","created_at":"2026-05-18T00:09:41Z","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":"8bc977066d98441576499fe1e7e8f96ac6ab52f1d149a5b80bee58a903c021c2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-01-25T12:20:43Z","title_canon_sha256":"d40dbf9e943856ca13c8c762410636478306ae46fa282bdfb5d894e9c86fcdd1"},"schema_version":"1.0","source":{"id":"1801.08372","kind":"arxiv","version":2}},"canonical_sha256":"96bd7ce41948420812589d309db2a9151d4a76f0526d5610f4c0103f2b4fa554","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"96bd7ce41948420812589d309db2a9151d4a76f0526d5610f4c0103f2b4fa554","first_computed_at":"2026-05-18T00:09:41.819134Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:09:41.819134Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OO9e9YSsmzYTm2lrbE07oFWWUNs0QGkzOXdgcXKFUdeMO8/GXb8fxS4mlXEIpxAFZpihsBrIbF8qhwTV1E0cBw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:09:41.819650Z","signed_message":"canonical_sha256_bytes"},"source_id":"1801.08372","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0e904ddc68c3d539b0f1a01b60b8f3a6bcffdb663d402c2678ffd7908e4a9596","sha256:5035f6ac4edd4e6d6a6fe41a1aee1dba084a625652c71953ce5ee5e07e68ed5e"],"state_sha256":"48e7e9bfd0f151137028630b762d85fa21311372118475ef57ee3907307ee565"}