{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:66TV4242FKDE5F6LM3I7YKEVRJ","short_pith_number":"pith:66TV4242","canonical_record":{"source":{"id":"1811.04438","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-11-11T17:35:16Z","cross_cats_sorted":["physics.atm-clus"],"title_canon_sha256":"350948a9083cf18045234b583db0da429aa977b43ecbf0516151087a6c6ac576","abstract_canon_sha256":"061f263545d7292955dcd23d068cc7535b18a9e8ba73c5b08423ad61977a6698"},"schema_version":"1.0"},"canonical_sha256":"f7a75e6b9a2a864e97cb66d1fc28958a5a10a8cd579b2deb6e85080289fcbab0","source":{"kind":"arxiv","id":"1811.04438","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.04438","created_at":"2026-05-18T00:01:05Z"},{"alias_kind":"arxiv_version","alias_value":"1811.04438v1","created_at":"2026-05-18T00:01:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.04438","created_at":"2026-05-18T00:01:05Z"},{"alias_kind":"pith_short_12","alias_value":"66TV4242FKDE","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_16","alias_value":"66TV4242FKDE5F6L","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_8","alias_value":"66TV4242","created_at":"2026-05-18T12:32:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:66TV4242FKDE5F6LM3I7YKEVRJ","target":"record","payload":{"canonical_record":{"source":{"id":"1811.04438","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-11-11T17:35:16Z","cross_cats_sorted":["physics.atm-clus"],"title_canon_sha256":"350948a9083cf18045234b583db0da429aa977b43ecbf0516151087a6c6ac576","abstract_canon_sha256":"061f263545d7292955dcd23d068cc7535b18a9e8ba73c5b08423ad61977a6698"},"schema_version":"1.0"},"canonical_sha256":"f7a75e6b9a2a864e97cb66d1fc28958a5a10a8cd579b2deb6e85080289fcbab0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:01:05.160597Z","signature_b64":"7V/eaj1EHlsLLxe5IyvuzsQlLtSRca0CG/Uh1zsl6bTHs4pdEhZpvY8I4aCyt7ISEJNTLwOQCtTHhPaQkSutAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f7a75e6b9a2a864e97cb66d1fc28958a5a10a8cd579b2deb6e85080289fcbab0","last_reissued_at":"2026-05-18T00:01:05.159956Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:01:05.159956Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1811.04438","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":"2026-05-18T00:01:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vj8/8vo7sF2E1U2B4xRb7yzGt+SYEH0DAKTASR34SpXNjpaTG2yJqmzyTfNiMRfS5sAt2gYCxHZexEa00IKSAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T05:20:23.369560Z"},"content_sha256":"b6c83dc4582d5eed0f2890abceb5b617b673d08eb6ffeef618b9dda02376747b","schema_version":"1.0","event_id":"sha256:b6c83dc4582d5eed0f2890abceb5b617b673d08eb6ffeef618b9dda02376747b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:66TV4242FKDE5F6LM3I7YKEVRJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"(Meta-)stability and Core-Shell Dynamics of Gold Nanoclusters at Finite Temperature","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atm-clus"],"primary_cat":"cond-mat.mes-hall","authors_text":"Diego Guedes-Sobrinho, Ian Hamilton, Juarez L. F. Da Silva, Luca M. Ghiringhelli, Weiqi Wang","submitted_at":"2018-11-11T17:35:16Z","abstract_excerpt":"Gold nanoclusters have been the focus of numerous computational studies but an atomistic understanding of their structural and dynamical properties at finite temperature is far from satisfactory. To address this deficiency, we investigate gold nanoclusters via ab initio molecular dynamics, in a range of sizes where a core-shell morphology is observed. We analyze their structure and dynamics using of state-of-the-art techniques, including unsupervised machine-learning nonlinear dimensionality reduction (sketch-map) for describing the similarities and differences among the range of sampled confi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.04438","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":"2026-05-18T00:01:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yv5oHyzULLaoMZ3x8dUmSJUYDX/RcGwd8G47VeE2FbsyrJh9CLSb7GJQHPmU5NGzVg3fQGnl9ozhMlyfRRwXCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T05:20:23.370225Z"},"content_sha256":"1cb41ac3cd52b8cc3ce9847513a57643e96cfa80781fac94e90163882ee51a0f","schema_version":"1.0","event_id":"sha256:1cb41ac3cd52b8cc3ce9847513a57643e96cfa80781fac94e90163882ee51a0f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/66TV4242FKDE5F6LM3I7YKEVRJ/bundle.json","state_url":"https://pith.science/pith/66TV4242FKDE5F6LM3I7YKEVRJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/66TV4242FKDE5F6LM3I7YKEVRJ/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":"2026-05-27T05:20:23Z","links":{"resolver":"https://pith.science/pith/66TV4242FKDE5F6LM3I7YKEVRJ","bundle":"https://pith.science/pith/66TV4242FKDE5F6LM3I7YKEVRJ/bundle.json","state":"https://pith.science/pith/66TV4242FKDE5F6LM3I7YKEVRJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/66TV4242FKDE5F6LM3I7YKEVRJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:66TV4242FKDE5F6LM3I7YKEVRJ","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":"061f263545d7292955dcd23d068cc7535b18a9e8ba73c5b08423ad61977a6698","cross_cats_sorted":["physics.atm-clus"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-11-11T17:35:16Z","title_canon_sha256":"350948a9083cf18045234b583db0da429aa977b43ecbf0516151087a6c6ac576"},"schema_version":"1.0","source":{"id":"1811.04438","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.04438","created_at":"2026-05-18T00:01:05Z"},{"alias_kind":"arxiv_version","alias_value":"1811.04438v1","created_at":"2026-05-18T00:01:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.04438","created_at":"2026-05-18T00:01:05Z"},{"alias_kind":"pith_short_12","alias_value":"66TV4242FKDE","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_16","alias_value":"66TV4242FKDE5F6L","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_8","alias_value":"66TV4242","created_at":"2026-05-18T12:32:08Z"}],"graph_snapshots":[{"event_id":"sha256:1cb41ac3cd52b8cc3ce9847513a57643e96cfa80781fac94e90163882ee51a0f","target":"graph","created_at":"2026-05-18T00:01:05Z","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":"Gold nanoclusters have been the focus of numerous computational studies but an atomistic understanding of their structural and dynamical properties at finite temperature is far from satisfactory. To address this deficiency, we investigate gold nanoclusters via ab initio molecular dynamics, in a range of sizes where a core-shell morphology is observed. We analyze their structure and dynamics using of state-of-the-art techniques, including unsupervised machine-learning nonlinear dimensionality reduction (sketch-map) for describing the similarities and differences among the range of sampled confi","authors_text":"Diego Guedes-Sobrinho, Ian Hamilton, Juarez L. F. Da Silva, Luca M. Ghiringhelli, Weiqi Wang","cross_cats":["physics.atm-clus"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-11-11T17:35:16Z","title":"(Meta-)stability and Core-Shell Dynamics of Gold Nanoclusters at Finite Temperature"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.04438","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:b6c83dc4582d5eed0f2890abceb5b617b673d08eb6ffeef618b9dda02376747b","target":"record","created_at":"2026-05-18T00:01:05Z","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":"061f263545d7292955dcd23d068cc7535b18a9e8ba73c5b08423ad61977a6698","cross_cats_sorted":["physics.atm-clus"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-11-11T17:35:16Z","title_canon_sha256":"350948a9083cf18045234b583db0da429aa977b43ecbf0516151087a6c6ac576"},"schema_version":"1.0","source":{"id":"1811.04438","kind":"arxiv","version":1}},"canonical_sha256":"f7a75e6b9a2a864e97cb66d1fc28958a5a10a8cd579b2deb6e85080289fcbab0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f7a75e6b9a2a864e97cb66d1fc28958a5a10a8cd579b2deb6e85080289fcbab0","first_computed_at":"2026-05-18T00:01:05.159956Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:01:05.159956Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7V/eaj1EHlsLLxe5IyvuzsQlLtSRca0CG/Uh1zsl6bTHs4pdEhZpvY8I4aCyt7ISEJNTLwOQCtTHhPaQkSutAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:01:05.160597Z","signed_message":"canonical_sha256_bytes"},"source_id":"1811.04438","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b6c83dc4582d5eed0f2890abceb5b617b673d08eb6ffeef618b9dda02376747b","sha256:1cb41ac3cd52b8cc3ce9847513a57643e96cfa80781fac94e90163882ee51a0f"],"state_sha256":"28952765b2cbbd1b640b24d9b568a8b73a52bbdf4b9ce7079a9e1a08c0a31a03"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pb1Zas28PvmejGtu7jJPwYRUPb1QTm6AMd3g25VyzB3Z+JXl6GeZl7OyzaIBUX+a7FRQednTtCi9AJ0uEVJaDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T05:20:23.373642Z","bundle_sha256":"92d766325b4cc715d83c06e52ac98bcf0afe6ff7f3ebe362e92c3596800008c1"}}