{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:VJYSYGN2PHKSYFDC2NF3ZRESGR","short_pith_number":"pith:VJYSYGN2","schema_version":"1.0","canonical_sha256":"aa712c19ba79d52c1462d34bbcc492347c2700b654eaace4778a745174da041f","source":{"kind":"arxiv","id":"1803.00074","version":2},"attestation_state":"computed","paper":{"title":"Ultrafast heat flow in heterostructures of Au nanoclusters on thin-films: atomic-disorder induced by hot electrons","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Alessandra Da Silva, Daniela Zahn, Dawn Foster, Lutz Waldecker, Ralph Ernstorfer, Richard E. Palmer, Roman Bertoni, Thomas Vasileiadis","submitted_at":"2018-02-28T20:44:22Z","abstract_excerpt":"We study the ultrafast structural dynamics, in response to electronic excitations, in heterostructures composed of Au$_{923}$ nanoclusters on thin-film substrates with the use of femtosecond electron diffraction. Various forms of atomic motion, such as thermal vibrations, thermal expansion and lattice disordering, manifest as distinct and quantifiable reciprocal-space observables. In photo-excited, supported nanoclusters thermal equilibration proceeds through intrinsic heat flow, between their electrons and their lattice, and extrinsic heat flow between the nanoclusters and their substrate. Fo"},"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":"1803.00074","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-02-28T20:44:22Z","cross_cats_sorted":[],"title_canon_sha256":"5fbce4ff2398fc358d3fbad8851f2c4e0d7e6b1dad02817258709f1e2948ad9b","abstract_canon_sha256":"620385eaea39a04443aad69448937597b2d73926269772ef6da328dc09fe9da1"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:58:19.449151Z","signature_b64":"I6DBtS83jV7myHSax1+kU0u7Yj8waAp0PG6N+PQuXKjGZM5dQa+zf7NIeS+ZR2ZGh0tplQ02VVm7VFKAK9enAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"aa712c19ba79d52c1462d34bbcc492347c2700b654eaace4778a745174da041f","last_reissued_at":"2026-05-17T23:58:19.448760Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:58:19.448760Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Ultrafast heat flow in heterostructures of Au nanoclusters on thin-films: atomic-disorder induced by hot electrons","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Alessandra Da Silva, Daniela Zahn, Dawn Foster, Lutz Waldecker, Ralph Ernstorfer, Richard E. Palmer, Roman Bertoni, Thomas Vasileiadis","submitted_at":"2018-02-28T20:44:22Z","abstract_excerpt":"We study the ultrafast structural dynamics, in response to electronic excitations, in heterostructures composed of Au$_{923}$ nanoclusters on thin-film substrates with the use of femtosecond electron diffraction. Various forms of atomic motion, such as thermal vibrations, thermal expansion and lattice disordering, manifest as distinct and quantifiable reciprocal-space observables. In photo-excited, supported nanoclusters thermal equilibration proceeds through intrinsic heat flow, between their electrons and their lattice, and extrinsic heat flow between the nanoclusters and their substrate. Fo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.00074","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1803.00074","created_at":"2026-05-17T23:58:19.448817+00:00"},{"alias_kind":"arxiv_version","alias_value":"1803.00074v2","created_at":"2026-05-17T23:58:19.448817+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.00074","created_at":"2026-05-17T23:58:19.448817+00:00"},{"alias_kind":"pith_short_12","alias_value":"VJYSYGN2PHKS","created_at":"2026-05-18T12:32:59.047623+00:00"},{"alias_kind":"pith_short_16","alias_value":"VJYSYGN2PHKSYFDC","created_at":"2026-05-18T12:32:59.047623+00:00"},{"alias_kind":"pith_short_8","alias_value":"VJYSYGN2","created_at":"2026-05-18T12:32:59.047623+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/VJYSYGN2PHKSYFDC2NF3ZRESGR","json":"https://pith.science/pith/VJYSYGN2PHKSYFDC2NF3ZRESGR.json","graph_json":"https://pith.science/api/pith-number/VJYSYGN2PHKSYFDC2NF3ZRESGR/graph.json","events_json":"https://pith.science/api/pith-number/VJYSYGN2PHKSYFDC2NF3ZRESGR/events.json","paper":"https://pith.science/paper/VJYSYGN2"},"agent_actions":{"view_html":"https://pith.science/pith/VJYSYGN2PHKSYFDC2NF3ZRESGR","download_json":"https://pith.science/pith/VJYSYGN2PHKSYFDC2NF3ZRESGR.json","view_paper":"https://pith.science/paper/VJYSYGN2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1803.00074&json=true","fetch_graph":"https://pith.science/api/pith-number/VJYSYGN2PHKSYFDC2NF3ZRESGR/graph.json","fetch_events":"https://pith.science/api/pith-number/VJYSYGN2PHKSYFDC2NF3ZRESGR/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VJYSYGN2PHKSYFDC2NF3ZRESGR/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VJYSYGN2PHKSYFDC2NF3ZRESGR/action/storage_attestation","attest_author":"https://pith.science/pith/VJYSYGN2PHKSYFDC2NF3ZRESGR/action/author_attestation","sign_citation":"https://pith.science/pith/VJYSYGN2PHKSYFDC2NF3ZRESGR/action/citation_signature","submit_replication":"https://pith.science/pith/VJYSYGN2PHKSYFDC2NF3ZRESGR/action/replication_record"}},"created_at":"2026-05-17T23:58:19.448817+00:00","updated_at":"2026-05-17T23:58:19.448817+00:00"}