{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:YWYKC2K4P43NP2H3KR36DMFRGL","short_pith_number":"pith:YWYKC2K4","schema_version":"1.0","canonical_sha256":"c5b0a1695c7f36d7e8fb5477e1b0b132dbe70db63defe792fafc958b1485c767","source":{"kind":"arxiv","id":"1908.03417","version":1},"attestation_state":"computed","paper":{"title":"Spontaneous formation of thermodynamically stable Al--Cu--Fe icosahedral quasicrystal from realistic atomistic simulations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Marek Mihalkovic, Michael Widom","submitted_at":"2019-08-09T11:32:32Z","abstract_excerpt":"Icosahedral quasicrystals spontaneously form from the melt in simulations of Al--Cu--Fe alloys. We model the interatomic interactions using oscillating pair potentials tuned to the specific alloy system based on a database of density functional theory (DFT)-derived energies and forces. Favored interatomic separations align with the geometry of icosahedral motifs that overlap to create face-centered icosahedral order on a hierarchy of length scales. Molecular dynamics simulations, supplemented with Monte Carlo steps to swap chemical species, efficiently sample the configuration space of our mod"},"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":"1908.03417","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-08-09T11:32:32Z","cross_cats_sorted":[],"title_canon_sha256":"d56be15f0dacfb97af1ef70d5bb6594272e75e4efd86a25489e45efeae0d703e","abstract_canon_sha256":"359b548453e713525f208835d239115a77671b69b22beabcf33b24370510ab24"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:45:08.299493Z","signature_b64":"Iwqo/ptWj6yvrF9Me2eZm9dow0MoHrR1LFrhpnGwcbJcyFrMihePkGoJkmGIA0zzTFcw0tuDt0D/+nyO5dxCBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c5b0a1695c7f36d7e8fb5477e1b0b132dbe70db63defe792fafc958b1485c767","last_reissued_at":"2026-07-05T00:45:08.299093Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:45:08.299093Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Spontaneous formation of thermodynamically stable Al--Cu--Fe icosahedral quasicrystal from realistic atomistic simulations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Marek Mihalkovic, Michael Widom","submitted_at":"2019-08-09T11:32:32Z","abstract_excerpt":"Icosahedral quasicrystals spontaneously form from the melt in simulations of Al--Cu--Fe alloys. We model the interatomic interactions using oscillating pair potentials tuned to the specific alloy system based on a database of density functional theory (DFT)-derived energies and forces. Favored interatomic separations align with the geometry of icosahedral motifs that overlap to create face-centered icosahedral order on a hierarchy of length scales. Molecular dynamics simulations, supplemented with Monte Carlo steps to swap chemical species, efficiently sample the configuration space of our mod"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.03417","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1908.03417/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"1908.03417","created_at":"2026-07-05T00:45:08.299151+00:00"},{"alias_kind":"arxiv_version","alias_value":"1908.03417v1","created_at":"2026-07-05T00:45:08.299151+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.03417","created_at":"2026-07-05T00:45:08.299151+00:00"},{"alias_kind":"pith_short_12","alias_value":"YWYKC2K4P43N","created_at":"2026-07-05T00:45:08.299151+00:00"},{"alias_kind":"pith_short_16","alias_value":"YWYKC2K4P43NP2H3","created_at":"2026-07-05T00:45:08.299151+00:00"},{"alias_kind":"pith_short_8","alias_value":"YWYKC2K4","created_at":"2026-07-05T00:45:08.299151+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/YWYKC2K4P43NP2H3KR36DMFRGL","json":"https://pith.science/pith/YWYKC2K4P43NP2H3KR36DMFRGL.json","graph_json":"https://pith.science/api/pith-number/YWYKC2K4P43NP2H3KR36DMFRGL/graph.json","events_json":"https://pith.science/api/pith-number/YWYKC2K4P43NP2H3KR36DMFRGL/events.json","paper":"https://pith.science/paper/YWYKC2K4"},"agent_actions":{"view_html":"https://pith.science/pith/YWYKC2K4P43NP2H3KR36DMFRGL","download_json":"https://pith.science/pith/YWYKC2K4P43NP2H3KR36DMFRGL.json","view_paper":"https://pith.science/paper/YWYKC2K4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1908.03417&json=true","fetch_graph":"https://pith.science/api/pith-number/YWYKC2K4P43NP2H3KR36DMFRGL/graph.json","fetch_events":"https://pith.science/api/pith-number/YWYKC2K4P43NP2H3KR36DMFRGL/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/YWYKC2K4P43NP2H3KR36DMFRGL/action/timestamp_anchor","attest_storage":"https://pith.science/pith/YWYKC2K4P43NP2H3KR36DMFRGL/action/storage_attestation","attest_author":"https://pith.science/pith/YWYKC2K4P43NP2H3KR36DMFRGL/action/author_attestation","sign_citation":"https://pith.science/pith/YWYKC2K4P43NP2H3KR36DMFRGL/action/citation_signature","submit_replication":"https://pith.science/pith/YWYKC2K4P43NP2H3KR36DMFRGL/action/replication_record"}},"created_at":"2026-07-05T00:45:08.299151+00:00","updated_at":"2026-07-05T00:45:08.299151+00:00"}