{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:POWIMTCNFSFSRWS72IC365JDQ6","short_pith_number":"pith:POWIMTCN","schema_version":"1.0","canonical_sha256":"7bac864c4d2c8b28da5fd205bf752387952a50f5692d2e5f6dbe22e20a054e0e","source":{"kind":"arxiv","id":"2605.25351","version":1},"attestation_state":"computed","paper":{"title":"Anomalous Subsurface Vacancy Stabilization Dictated by Geometry-Electronic Decoupling on Metal Surfaces","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Pai Li, Yiming Tan","submitted_at":"2026-05-25T02:10:36Z","abstract_excerpt":"Vacancy formation energetics fundamentally govern the structural integrity and catalytic behavior of metal surfaces. Contrary to conventional coordination-dependent broken-bond models, we identify an anomalous thermodynamic inversion on close-packed surfaces across Ir, Pt, Au with face-centered cubic (FCC) lattice and Be, Zn, Cd with hexagonal close-packed (HCP) lattice, where subsurface vacancies are intrinsically more stable than surface ones. Using high-throughput DFT calculations and machine learning force fields, we demonstrate that the physical origins of this anomaly are fundamentally d"},"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":"2605.25351","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-05-25T02:10:36Z","cross_cats_sorted":[],"title_canon_sha256":"9b14f9f382a1681ae247438fb56da3296fb803f1a0094c80b7db02154362de5e","abstract_canon_sha256":"611b9083abb409fa0587b0b7ec8222274d8538ab4b4f791a6d947447dd12d6e5"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-26T02:04:30.441306Z","signature_b64":"Mu2Qgm3790HNgHO6neEySoOejrTdDacFNkJdR406XRc7d6O76QQ0ZYZmjBeHLvD7No3TlLDXk4BMVJQlH3JBAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7bac864c4d2c8b28da5fd205bf752387952a50f5692d2e5f6dbe22e20a054e0e","last_reissued_at":"2026-05-26T02:04:30.440580Z","signature_status":"signed_v1","first_computed_at":"2026-05-26T02:04:30.440580Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Anomalous Subsurface Vacancy Stabilization Dictated by Geometry-Electronic Decoupling on Metal Surfaces","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Pai Li, Yiming Tan","submitted_at":"2026-05-25T02:10:36Z","abstract_excerpt":"Vacancy formation energetics fundamentally govern the structural integrity and catalytic behavior of metal surfaces. Contrary to conventional coordination-dependent broken-bond models, we identify an anomalous thermodynamic inversion on close-packed surfaces across Ir, Pt, Au with face-centered cubic (FCC) lattice and Be, Zn, Cd with hexagonal close-packed (HCP) lattice, where subsurface vacancies are intrinsically more stable than surface ones. Using high-throughput DFT calculations and machine learning force fields, we demonstrate that the physical origins of this anomaly are fundamentally d"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.25351","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/2605.25351/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":"2605.25351","created_at":"2026-05-26T02:04:30.440700+00:00"},{"alias_kind":"arxiv_version","alias_value":"2605.25351v1","created_at":"2026-05-26T02:04:30.440700+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.25351","created_at":"2026-05-26T02:04:30.440700+00:00"},{"alias_kind":"pith_short_12","alias_value":"POWIMTCNFSFS","created_at":"2026-05-26T02:04:30.440700+00:00"},{"alias_kind":"pith_short_16","alias_value":"POWIMTCNFSFSRWS7","created_at":"2026-05-26T02:04:30.440700+00:00"},{"alias_kind":"pith_short_8","alias_value":"POWIMTCN","created_at":"2026-05-26T02:04:30.440700+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/POWIMTCNFSFSRWS72IC365JDQ6","json":"https://pith.science/pith/POWIMTCNFSFSRWS72IC365JDQ6.json","graph_json":"https://pith.science/api/pith-number/POWIMTCNFSFSRWS72IC365JDQ6/graph.json","events_json":"https://pith.science/api/pith-number/POWIMTCNFSFSRWS72IC365JDQ6/events.json","paper":"https://pith.science/paper/POWIMTCN"},"agent_actions":{"view_html":"https://pith.science/pith/POWIMTCNFSFSRWS72IC365JDQ6","download_json":"https://pith.science/pith/POWIMTCNFSFSRWS72IC365JDQ6.json","view_paper":"https://pith.science/paper/POWIMTCN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2605.25351&json=true","fetch_graph":"https://pith.science/api/pith-number/POWIMTCNFSFSRWS72IC365JDQ6/graph.json","fetch_events":"https://pith.science/api/pith-number/POWIMTCNFSFSRWS72IC365JDQ6/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/POWIMTCNFSFSRWS72IC365JDQ6/action/timestamp_anchor","attest_storage":"https://pith.science/pith/POWIMTCNFSFSRWS72IC365JDQ6/action/storage_attestation","attest_author":"https://pith.science/pith/POWIMTCNFSFSRWS72IC365JDQ6/action/author_attestation","sign_citation":"https://pith.science/pith/POWIMTCNFSFSRWS72IC365JDQ6/action/citation_signature","submit_replication":"https://pith.science/pith/POWIMTCNFSFSRWS72IC365JDQ6/action/replication_record"}},"created_at":"2026-05-26T02:04:30.440700+00:00","updated_at":"2026-05-26T02:04:30.440700+00:00"}