{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:YBTLJDCEI7MTS5LWBITEHWTRNM","short_pith_number":"pith:YBTLJDCE","canonical_record":{"source":{"id":"0810.2801","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2008-10-15T20:34:26Z","cross_cats_sorted":[],"title_canon_sha256":"3b2c472ae05428e85c0a36ae1663d62b1b9799d372bb272a4f8513cf54061f86","abstract_canon_sha256":"44175a1eeb05d182270054cb4d4283fc161854670ed8e930a1504751b451392b"},"schema_version":"1.0"},"canonical_sha256":"c066b48c4447d93975760a2643da716b33c2185c3e9f6d7f2e15e4eb2bdbfb77","source":{"kind":"arxiv","id":"0810.2801","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0810.2801","created_at":"2026-05-18T03:24:09Z"},{"alias_kind":"arxiv_version","alias_value":"0810.2801v2","created_at":"2026-05-18T03:24:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0810.2801","created_at":"2026-05-18T03:24:09Z"},{"alias_kind":"pith_short_12","alias_value":"YBTLJDCEI7MT","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"YBTLJDCEI7MTS5LW","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"YBTLJDCE","created_at":"2026-05-18T12:25:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:YBTLJDCEI7MTS5LWBITEHWTRNM","target":"record","payload":{"canonical_record":{"source":{"id":"0810.2801","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2008-10-15T20:34:26Z","cross_cats_sorted":[],"title_canon_sha256":"3b2c472ae05428e85c0a36ae1663d62b1b9799d372bb272a4f8513cf54061f86","abstract_canon_sha256":"44175a1eeb05d182270054cb4d4283fc161854670ed8e930a1504751b451392b"},"schema_version":"1.0"},"canonical_sha256":"c066b48c4447d93975760a2643da716b33c2185c3e9f6d7f2e15e4eb2bdbfb77","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:24:09.473793Z","signature_b64":"tkG3U61kNOJFngivqYkLM3IIknjm6NA5bcA/ehw8IK8hGkZDu24CCz869O8U9k9Xl2jOmsuz1ppJLeQYQA+hBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c066b48c4447d93975760a2643da716b33c2185c3e9f6d7f2e15e4eb2bdbfb77","last_reissued_at":"2026-05-18T03:24:09.473107Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:24:09.473107Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0810.2801","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:24:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eS+DivHb5L0xsdfqJ7YOTKA4jDJf3Q4J25elgX8MEsoAOYJtFTfYS8WvYya5zkyOTBZjp+uRziXHv0dozKZnCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T20:37:47.244520Z"},"content_sha256":"54ca37730b0cd944db742dcc9fcd8496308cbdbdf830bb3ae9233cfad6b17159","schema_version":"1.0","event_id":"sha256:54ca37730b0cd944db742dcc9fcd8496308cbdbdf830bb3ae9233cfad6b17159"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:YBTLJDCEI7MTS5LWBITEHWTRNM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Reconstruction of the second layer of Ag on Pt(111)","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Javier Rodriguez-Laguna, Raghani Pushpa, Silvia N. Santalla","submitted_at":"2008-10-15T20:34:26Z","abstract_excerpt":"The reconstruction of an Ag monolayer on Ag/Pt(111) is analyzed theoretically, employing a vertically extended Frenkel-Kontorova model whose parameters are derived from density functional theory. Energy minimization is carried out using simulated quantum annealing techniques. Our results are compatible with the STM experiments, where a striped pattern is initially found which transforms into a triangular reconstruction upon annealing. In our model we recognize the first structure as a metastable state, while the second one is the true energy minimum."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0810.2801","kind":"arxiv","version":2},"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":"2026-05-18T03:24:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VDUt3cBVDCriBcZBHd6GAjUQb4Nh932Q7LrC5pyqmkjMCsqB1R68wvH6v5uWdjXtyzTdSBT4tlZ32hSKru2eCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T20:37:47.244860Z"},"content_sha256":"98bc180a556369a29179f8299cd1924e68abe01599042ba21535dc43a22dc84c","schema_version":"1.0","event_id":"sha256:98bc180a556369a29179f8299cd1924e68abe01599042ba21535dc43a22dc84c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YBTLJDCEI7MTS5LWBITEHWTRNM/bundle.json","state_url":"https://pith.science/pith/YBTLJDCEI7MTS5LWBITEHWTRNM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YBTLJDCEI7MTS5LWBITEHWTRNM/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":"2026-06-03T20:37:47Z","links":{"resolver":"https://pith.science/pith/YBTLJDCEI7MTS5LWBITEHWTRNM","bundle":"https://pith.science/pith/YBTLJDCEI7MTS5LWBITEHWTRNM/bundle.json","state":"https://pith.science/pith/YBTLJDCEI7MTS5LWBITEHWTRNM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YBTLJDCEI7MTS5LWBITEHWTRNM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:YBTLJDCEI7MTS5LWBITEHWTRNM","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":"44175a1eeb05d182270054cb4d4283fc161854670ed8e930a1504751b451392b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2008-10-15T20:34:26Z","title_canon_sha256":"3b2c472ae05428e85c0a36ae1663d62b1b9799d372bb272a4f8513cf54061f86"},"schema_version":"1.0","source":{"id":"0810.2801","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0810.2801","created_at":"2026-05-18T03:24:09Z"},{"alias_kind":"arxiv_version","alias_value":"0810.2801v2","created_at":"2026-05-18T03:24:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0810.2801","created_at":"2026-05-18T03:24:09Z"},{"alias_kind":"pith_short_12","alias_value":"YBTLJDCEI7MT","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"YBTLJDCEI7MTS5LW","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"YBTLJDCE","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:98bc180a556369a29179f8299cd1924e68abe01599042ba21535dc43a22dc84c","target":"graph","created_at":"2026-05-18T03:24:09Z","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":"The reconstruction of an Ag monolayer on Ag/Pt(111) is analyzed theoretically, employing a vertically extended Frenkel-Kontorova model whose parameters are derived from density functional theory. Energy minimization is carried out using simulated quantum annealing techniques. Our results are compatible with the STM experiments, where a striped pattern is initially found which transforms into a triangular reconstruction upon annealing. In our model we recognize the first structure as a metastable state, while the second one is the true energy minimum.","authors_text":"Javier Rodriguez-Laguna, Raghani Pushpa, Silvia N. Santalla","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2008-10-15T20:34:26Z","title":"Reconstruction of the second layer of Ag on Pt(111)"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0810.2801","kind":"arxiv","version":2},"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":"sha256:54ca37730b0cd944db742dcc9fcd8496308cbdbdf830bb3ae9233cfad6b17159","target":"record","created_at":"2026-05-18T03:24:09Z","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":"44175a1eeb05d182270054cb4d4283fc161854670ed8e930a1504751b451392b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2008-10-15T20:34:26Z","title_canon_sha256":"3b2c472ae05428e85c0a36ae1663d62b1b9799d372bb272a4f8513cf54061f86"},"schema_version":"1.0","source":{"id":"0810.2801","kind":"arxiv","version":2}},"canonical_sha256":"c066b48c4447d93975760a2643da716b33c2185c3e9f6d7f2e15e4eb2bdbfb77","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c066b48c4447d93975760a2643da716b33c2185c3e9f6d7f2e15e4eb2bdbfb77","first_computed_at":"2026-05-18T03:24:09.473107Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:24:09.473107Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tkG3U61kNOJFngivqYkLM3IIknjm6NA5bcA/ehw8IK8hGkZDu24CCz869O8U9k9Xl2jOmsuz1ppJLeQYQA+hBA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:24:09.473793Z","signed_message":"canonical_sha256_bytes"},"source_id":"0810.2801","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:54ca37730b0cd944db742dcc9fcd8496308cbdbdf830bb3ae9233cfad6b17159","sha256:98bc180a556369a29179f8299cd1924e68abe01599042ba21535dc43a22dc84c"],"state_sha256":"104e1419157be396784ad77e2e4b3b9bd39564d62f21615c6a80cd77745190d5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WEHnUf4ApbDqS2Eo84i3p/h7BBx0Bmgmjf5NwMj134iSHdx09OSPiaucne5x9qsDBym3fqQvZsb6ByQNWu5KAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T20:37:47.246846Z","bundle_sha256":"0f06e8daa2a3c6756c3cdfd2255cfc1ce6126cea94e02bb3a483c4e18b9203d9"}}