{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2001:V5WBBK6ECKNV7X2TYXNPUP3LTU","short_pith_number":"pith:V5WBBK6E","schema_version":"1.0","canonical_sha256":"af6c10abc4129b5fdf53c5dafa3f6b9d15aad5fb0c3666369f954cefbe7b1251","source":{"kind":"arxiv","id":"cond-mat/0102085","version":3},"attestation_state":"computed","paper":{"title":"Total-energy-based prediction of a quasicrystal structure","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat","authors_text":"Bratislava, Carnegie Mellon University), C.L. Henley (Department of Physics, Cornell University), E. Cockayne (Ceramics Division, Germany, I. Al-Lehyani(Department of Physics, Institute of Physics, J.A. Moriarty (Lawrence Livermore National Laboratory), M. Mihalkovi\\v{c}(Institute fur Physik, M. Widom(Department of Physics, NIST), N. Moghadam (Oak Ridge National Laboratory), Slovak Academy of Sciences, Slovakia), Technische Universit\\\"at Chemnitz, Y. Wang (Pittsburgh Supercomputer Center)","submitted_at":"2001-02-05T17:50:08Z","abstract_excerpt":"Quasicrystals are metal alloys whose noncrystallographic symmetry and lack of structural periodicity challenge methods of experimental structure determination. Here we employ quantum-based total-energy calculations to predict the structure of a decagonal quasicrystal from first principles considerations. We employ Monte Carlo simulations, taking as input the knowledge that a decagonal phase occurs in Al-Ni-Co near a given composition, and using a few features of the experimental Patterson function. The resulting structure obeys a nearly deterministic decoration of tiles on a hierarchy of lengt"},"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":"cond-mat/0102085","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"cond-mat","submitted_at":"2001-02-05T17:50:08Z","cross_cats_sorted":[],"title_canon_sha256":"de3b124ef9096542c975ae48a405489a39ec56c2bbbdc8857ca1a801f1bee092","abstract_canon_sha256":"a2f00b3c20b3c2612c2f156a319b08d135554c3e4cac24a8a6ef62c65baaa778"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:09:10.063610Z","signature_b64":"DQ6BGo3rClvW4WQV/PA6q4m8mg772SkIAN3V0A6dzDWa0cZEUSheTUrVAjESiTMpV06I7/EBpCEffJ3CoLsxCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"af6c10abc4129b5fdf53c5dafa3f6b9d15aad5fb0c3666369f954cefbe7b1251","last_reissued_at":"2026-05-18T01:09:10.063180Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:09:10.063180Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Total-energy-based prediction of a quasicrystal structure","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat","authors_text":"Bratislava, Carnegie Mellon University), C.L. Henley (Department of Physics, Cornell University), E. Cockayne (Ceramics Division, Germany, I. Al-Lehyani(Department of Physics, Institute of Physics, J.A. Moriarty (Lawrence Livermore National Laboratory), M. Mihalkovi\\v{c}(Institute fur Physik, M. Widom(Department of Physics, NIST), N. Moghadam (Oak Ridge National Laboratory), Slovak Academy of Sciences, Slovakia), Technische Universit\\\"at Chemnitz, Y. Wang (Pittsburgh Supercomputer Center)","submitted_at":"2001-02-05T17:50:08Z","abstract_excerpt":"Quasicrystals are metal alloys whose noncrystallographic symmetry and lack of structural periodicity challenge methods of experimental structure determination. Here we employ quantum-based total-energy calculations to predict the structure of a decagonal quasicrystal from first principles considerations. We employ Monte Carlo simulations, taking as input the knowledge that a decagonal phase occurs in Al-Ni-Co near a given composition, and using a few features of the experimental Patterson function. The resulting structure obeys a nearly deterministic decoration of tiles on a hierarchy of lengt"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0102085","kind":"arxiv","version":3},"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":"cond-mat/0102085","created_at":"2026-05-18T01:09:10.063245+00:00"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0102085v3","created_at":"2026-05-18T01:09:10.063245+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0102085","created_at":"2026-05-18T01:09:10.063245+00:00"},{"alias_kind":"pith_short_12","alias_value":"V5WBBK6ECKNV","created_at":"2026-05-18T12:25:50.845339+00:00"},{"alias_kind":"pith_short_16","alias_value":"V5WBBK6ECKNV7X2T","created_at":"2026-05-18T12:25:50.845339+00:00"},{"alias_kind":"pith_short_8","alias_value":"V5WBBK6E","created_at":"2026-05-18T12:25:50.845339+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/V5WBBK6ECKNV7X2TYXNPUP3LTU","json":"https://pith.science/pith/V5WBBK6ECKNV7X2TYXNPUP3LTU.json","graph_json":"https://pith.science/api/pith-number/V5WBBK6ECKNV7X2TYXNPUP3LTU/graph.json","events_json":"https://pith.science/api/pith-number/V5WBBK6ECKNV7X2TYXNPUP3LTU/events.json","paper":"https://pith.science/paper/V5WBBK6E"},"agent_actions":{"view_html":"https://pith.science/pith/V5WBBK6ECKNV7X2TYXNPUP3LTU","download_json":"https://pith.science/pith/V5WBBK6ECKNV7X2TYXNPUP3LTU.json","view_paper":"https://pith.science/paper/V5WBBK6E","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=cond-mat/0102085&json=true","fetch_graph":"https://pith.science/api/pith-number/V5WBBK6ECKNV7X2TYXNPUP3LTU/graph.json","fetch_events":"https://pith.science/api/pith-number/V5WBBK6ECKNV7X2TYXNPUP3LTU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/V5WBBK6ECKNV7X2TYXNPUP3LTU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/V5WBBK6ECKNV7X2TYXNPUP3LTU/action/storage_attestation","attest_author":"https://pith.science/pith/V5WBBK6ECKNV7X2TYXNPUP3LTU/action/author_attestation","sign_citation":"https://pith.science/pith/V5WBBK6ECKNV7X2TYXNPUP3LTU/action/citation_signature","submit_replication":"https://pith.science/pith/V5WBBK6ECKNV7X2TYXNPUP3LTU/action/replication_record"}},"created_at":"2026-05-18T01:09:10.063245+00:00","updated_at":"2026-05-18T01:09:10.063245+00:00"}