{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:IOXTWZBODVI6MCBLGV2K7ZHES2","short_pith_number":"pith:IOXTWZBO","canonical_record":{"source":{"id":"1702.04968","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-02-16T14:00:56Z","cross_cats_sorted":[],"title_canon_sha256":"ea10197e175f702f8a76b5758262cecc4a68995397d2c4709c36340feee465b2","abstract_canon_sha256":"92b6e0768239935d1318ce4e38e205c3d09e29511e29b10775d8c57d0cb3c6d2"},"schema_version":"1.0"},"canonical_sha256":"43af3b642e1d51e6082b3574afe4e496a49d0554c2a732837bd921e1d76e6471","source":{"kind":"arxiv","id":"1702.04968","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.04968","created_at":"2026-05-18T00:50:36Z"},{"alias_kind":"arxiv_version","alias_value":"1702.04968v1","created_at":"2026-05-18T00:50:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.04968","created_at":"2026-05-18T00:50:36Z"},{"alias_kind":"pith_short_12","alias_value":"IOXTWZBODVI6","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_16","alias_value":"IOXTWZBODVI6MCBL","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_8","alias_value":"IOXTWZBO","created_at":"2026-05-18T12:31:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:IOXTWZBODVI6MCBLGV2K7ZHES2","target":"record","payload":{"canonical_record":{"source":{"id":"1702.04968","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-02-16T14:00:56Z","cross_cats_sorted":[],"title_canon_sha256":"ea10197e175f702f8a76b5758262cecc4a68995397d2c4709c36340feee465b2","abstract_canon_sha256":"92b6e0768239935d1318ce4e38e205c3d09e29511e29b10775d8c57d0cb3c6d2"},"schema_version":"1.0"},"canonical_sha256":"43af3b642e1d51e6082b3574afe4e496a49d0554c2a732837bd921e1d76e6471","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:50:36.605007Z","signature_b64":"rukngFBLInXfLciQFp341v2rYGg+3LGKN7CbVo4B9dUkFai3zS8K3XWZoMRiKC/FRrQaj2bEJly0mXkvmnCUCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"43af3b642e1d51e6082b3574afe4e496a49d0554c2a732837bd921e1d76e6471","last_reissued_at":"2026-05-18T00:50:36.604142Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:50:36.604142Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1702.04968","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:50:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"R+motSpYo2CMyW67zGLGUkbSyKvJmLyg1gszA73vQCwXgeyhpwQ2DLp6tBEKNjhQ+dnb9Gg5J1atk3zva4N8Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T07:41:39.073858Z"},"content_sha256":"6b0ae2a410f5e3f30ae648225c64296d4f0548ffda21bcc3393cf08d7a09fc08","schema_version":"1.0","event_id":"sha256:6b0ae2a410f5e3f30ae648225c64296d4f0548ffda21bcc3393cf08d7a09fc08"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:IOXTWZBODVI6MCBLGV2K7ZHES2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A simple descriptor and predictor for the stable structures of two-dimensional surface alloys","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Sananda Biswas, Shobhana Narasimhan","submitted_at":"2017-02-16T14:00:56Z","abstract_excerpt":"Predicting the ground state of alloy systems is challenging due to the large number of possible configurations. We identify an easily computed descriptor for the stability of binary surface alloys, the effective coordination number $\\mathscr{E}$. We show that $\\mathscr{E}(M)$ correlates well with the enthalpy of mixing, from density functional theory (DFT) calculations on $M_x$Au$_{1-x}$/Ru [$M$ = Mn or Fe]. At each $x$, the most favored structure has the highest [lowest] value of $\\mathscr{E}(M)$ if the system is non-magnetic [ferromagnetic]. Importantly, little accuracy is lost upon replacin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.04968","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:50:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6RFWrvTcgmKFdu7cduXx7KhD5Zo7oYJzJmwRDVHwfmId+29Z6OpuW70BZX1MGuV7/05xP7eU11fJeqsgZQ2CDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T07:41:39.074210Z"},"content_sha256":"0475ac1781f18f9d299449b61be0b4012f6c44a2154ef97f4c9833d504cf8153","schema_version":"1.0","event_id":"sha256:0475ac1781f18f9d299449b61be0b4012f6c44a2154ef97f4c9833d504cf8153"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IOXTWZBODVI6MCBLGV2K7ZHES2/bundle.json","state_url":"https://pith.science/pith/IOXTWZBODVI6MCBLGV2K7ZHES2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IOXTWZBODVI6MCBLGV2K7ZHES2/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-24T07:41:39Z","links":{"resolver":"https://pith.science/pith/IOXTWZBODVI6MCBLGV2K7ZHES2","bundle":"https://pith.science/pith/IOXTWZBODVI6MCBLGV2K7ZHES2/bundle.json","state":"https://pith.science/pith/IOXTWZBODVI6MCBLGV2K7ZHES2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IOXTWZBODVI6MCBLGV2K7ZHES2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:IOXTWZBODVI6MCBLGV2K7ZHES2","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":"92b6e0768239935d1318ce4e38e205c3d09e29511e29b10775d8c57d0cb3c6d2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-02-16T14:00:56Z","title_canon_sha256":"ea10197e175f702f8a76b5758262cecc4a68995397d2c4709c36340feee465b2"},"schema_version":"1.0","source":{"id":"1702.04968","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.04968","created_at":"2026-05-18T00:50:36Z"},{"alias_kind":"arxiv_version","alias_value":"1702.04968v1","created_at":"2026-05-18T00:50:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.04968","created_at":"2026-05-18T00:50:36Z"},{"alias_kind":"pith_short_12","alias_value":"IOXTWZBODVI6","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_16","alias_value":"IOXTWZBODVI6MCBL","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_8","alias_value":"IOXTWZBO","created_at":"2026-05-18T12:31:21Z"}],"graph_snapshots":[{"event_id":"sha256:0475ac1781f18f9d299449b61be0b4012f6c44a2154ef97f4c9833d504cf8153","target":"graph","created_at":"2026-05-18T00:50:36Z","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":"Predicting the ground state of alloy systems is challenging due to the large number of possible configurations. We identify an easily computed descriptor for the stability of binary surface alloys, the effective coordination number $\\mathscr{E}$. We show that $\\mathscr{E}(M)$ correlates well with the enthalpy of mixing, from density functional theory (DFT) calculations on $M_x$Au$_{1-x}$/Ru [$M$ = Mn or Fe]. At each $x$, the most favored structure has the highest [lowest] value of $\\mathscr{E}(M)$ if the system is non-magnetic [ferromagnetic]. Importantly, little accuracy is lost upon replacin","authors_text":"Sananda Biswas, Shobhana Narasimhan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-02-16T14:00:56Z","title":"A simple descriptor and predictor for the stable structures of two-dimensional surface alloys"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.04968","kind":"arxiv","version":1},"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":"sha256:6b0ae2a410f5e3f30ae648225c64296d4f0548ffda21bcc3393cf08d7a09fc08","target":"record","created_at":"2026-05-18T00:50:36Z","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":"92b6e0768239935d1318ce4e38e205c3d09e29511e29b10775d8c57d0cb3c6d2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-02-16T14:00:56Z","title_canon_sha256":"ea10197e175f702f8a76b5758262cecc4a68995397d2c4709c36340feee465b2"},"schema_version":"1.0","source":{"id":"1702.04968","kind":"arxiv","version":1}},"canonical_sha256":"43af3b642e1d51e6082b3574afe4e496a49d0554c2a732837bd921e1d76e6471","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"43af3b642e1d51e6082b3574afe4e496a49d0554c2a732837bd921e1d76e6471","first_computed_at":"2026-05-18T00:50:36.604142Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:50:36.604142Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rukngFBLInXfLciQFp341v2rYGg+3LGKN7CbVo4B9dUkFai3zS8K3XWZoMRiKC/FRrQaj2bEJly0mXkvmnCUCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:50:36.605007Z","signed_message":"canonical_sha256_bytes"},"source_id":"1702.04968","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6b0ae2a410f5e3f30ae648225c64296d4f0548ffda21bcc3393cf08d7a09fc08","sha256:0475ac1781f18f9d299449b61be0b4012f6c44a2154ef97f4c9833d504cf8153"],"state_sha256":"038cec18fe0e408ecda8969c8aa52e7dc172c9db42d83aaeb982cf60f0e7f738"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NGiEvWAr7syKm+m8UsMl1wzOnDKX6pL/j94/54PkqBUOaBp1yTR0LZZolW1Z8IethNTaGfPf5JMaFwRlvzA+Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-24T07:41:39.076311Z","bundle_sha256":"e609ede6cae3d82bfa31f7e4e9a0af8b3db03865163a36bba9455a59986947eb"}}