{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:2JUT424AQ34CSPIV2SBBY2AZYA","short_pith_number":"pith:2JUT424A","schema_version":"1.0","canonical_sha256":"d2693e6b8086f8293d15d4821c6819c01b07d0ddebf56103f9a24a554b6db059","source":{"kind":"arxiv","id":"1711.06775","version":1},"attestation_state":"computed","paper":{"title":"Grain boundary phases in bcc metals","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. R. Oganov, J. Marian, Q. Zhu, R. E. Rudd, R. J. Kurtz, T. Frolov, W. Setyawan","submitted_at":"2017-11-18T00:01:16Z","abstract_excerpt":"We report a computational discovery of novel grain boundary structures and multiple grain boundary phases in elemental bcc tungsten. While grain boundary structures created by the \\gamma-surface method as a union of two perfect half crystals have been studied extensively, it is known that the method has limitations and does not always predict the correct ground states. Here, we use a newly developed computational tool, based on evolutionary algorithms, to perform a grand-canonical search of a high-angle symmetric tilt boundary in tungsten, and we find new ground states and multiple phases that"},"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":"1711.06775","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-11-18T00:01:16Z","cross_cats_sorted":[],"title_canon_sha256":"f7d65b8d5a890e758b3388295dbfcbe7daca0b1b447496f22e8bb2f9c40b49f6","abstract_canon_sha256":"039c462ab786a5b6f42268a142f47875dbbf7c883cf015985e81600a0c876e85"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:30:15.640726Z","signature_b64":"123DvMwYaf7XKKTQtkRkglMC0Dhc8YeHZ6nch7bXIoBJ2u84MZYRGUqJoSlEaIzrjgHQbZJQ8QIIh3/6a7jhDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d2693e6b8086f8293d15d4821c6819c01b07d0ddebf56103f9a24a554b6db059","last_reissued_at":"2026-05-18T00:30:15.640210Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:30:15.640210Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Grain boundary phases in bcc metals","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. R. Oganov, J. Marian, Q. Zhu, R. E. Rudd, R. J. Kurtz, T. Frolov, W. Setyawan","submitted_at":"2017-11-18T00:01:16Z","abstract_excerpt":"We report a computational discovery of novel grain boundary structures and multiple grain boundary phases in elemental bcc tungsten. While grain boundary structures created by the \\gamma-surface method as a union of two perfect half crystals have been studied extensively, it is known that the method has limitations and does not always predict the correct ground states. Here, we use a newly developed computational tool, based on evolutionary algorithms, to perform a grand-canonical search of a high-angle symmetric tilt boundary in tungsten, and we find new ground states and multiple phases that"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.06775","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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":"1711.06775","created_at":"2026-05-18T00:30:15.640292+00:00"},{"alias_kind":"arxiv_version","alias_value":"1711.06775v1","created_at":"2026-05-18T00:30:15.640292+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.06775","created_at":"2026-05-18T00:30:15.640292+00:00"},{"alias_kind":"pith_short_12","alias_value":"2JUT424AQ34C","created_at":"2026-05-18T12:30:55.937587+00:00"},{"alias_kind":"pith_short_16","alias_value":"2JUT424AQ34CSPIV","created_at":"2026-05-18T12:30:55.937587+00:00"},{"alias_kind":"pith_short_8","alias_value":"2JUT424A","created_at":"2026-05-18T12:30:55.937587+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/2JUT424AQ34CSPIV2SBBY2AZYA","json":"https://pith.science/pith/2JUT424AQ34CSPIV2SBBY2AZYA.json","graph_json":"https://pith.science/api/pith-number/2JUT424AQ34CSPIV2SBBY2AZYA/graph.json","events_json":"https://pith.science/api/pith-number/2JUT424AQ34CSPIV2SBBY2AZYA/events.json","paper":"https://pith.science/paper/2JUT424A"},"agent_actions":{"view_html":"https://pith.science/pith/2JUT424AQ34CSPIV2SBBY2AZYA","download_json":"https://pith.science/pith/2JUT424AQ34CSPIV2SBBY2AZYA.json","view_paper":"https://pith.science/paper/2JUT424A","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1711.06775&json=true","fetch_graph":"https://pith.science/api/pith-number/2JUT424AQ34CSPIV2SBBY2AZYA/graph.json","fetch_events":"https://pith.science/api/pith-number/2JUT424AQ34CSPIV2SBBY2AZYA/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2JUT424AQ34CSPIV2SBBY2AZYA/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2JUT424AQ34CSPIV2SBBY2AZYA/action/storage_attestation","attest_author":"https://pith.science/pith/2JUT424AQ34CSPIV2SBBY2AZYA/action/author_attestation","sign_citation":"https://pith.science/pith/2JUT424AQ34CSPIV2SBBY2AZYA/action/citation_signature","submit_replication":"https://pith.science/pith/2JUT424AQ34CSPIV2SBBY2AZYA/action/replication_record"}},"created_at":"2026-05-18T00:30:15.640292+00:00","updated_at":"2026-05-18T00:30:15.640292+00:00"}