{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:3ZBRRJDQ7C6LRFBMGJ6U4TDVOD","short_pith_number":"pith:3ZBRRJDQ","schema_version":"1.0","canonical_sha256":"de4318a470f8bcb8942c327d4e4c7570cf02f8dfc2a144045614d766f50fa46c","source":{"kind":"arxiv","id":"1106.3752","version":2},"attestation_state":"computed","paper":{"title":"Oxidation mechanism in metal nanoclusters: Zn nanoclusters to ZnO hollow nanoclusters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"A. K. Mahapatra, T. Som, U. M. Bhatta","submitted_at":"2011-06-19T15:12:49Z","abstract_excerpt":"Zn nanoclusters (NCs) are deposited by Low-energy cluster beam deposition technique. The mechanism of oxidation is studied by analysing their compositional and morphological evolution over a long span of time (three years) due to exposure to ambient atmosphere. It is concluded that the mechanism proceeds in two steps. In the first step, the shell of ZnO forms over Zn NCs rapidly up to certain limiting thickness: with in few days -- depending upon the size -- Zn NCs are converted to Zn-ZnO (core-shell), Zn-void-ZnO, or hollow ZnO type NCs. Bigger than ~15 nm become Zn-ZnO (core-shell) type: amo"},"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":"1106.3752","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-06-19T15:12:49Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"5ff36a9fb83a259e80e90f4b3be8147fe1942c91395a4c651a0ac52f113be8f4","abstract_canon_sha256":"4900774280b06eb71d6a395004222c55b52100b02d58c5a0879d1a3fa3ff3229"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:42:22.544348Z","signature_b64":"vxQn4pcsLp+mSJysA6+DuES2/XRcIFOASOkOVkNULpUhHrFp9/r8DbVt6TzJ9RLKubY2WUZ0b682bu9+zczJCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"de4318a470f8bcb8942c327d4e4c7570cf02f8dfc2a144045614d766f50fa46c","last_reissued_at":"2026-05-18T03:42:22.543700Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:42:22.543700Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Oxidation mechanism in metal nanoclusters: Zn nanoclusters to ZnO hollow nanoclusters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"A. K. Mahapatra, T. Som, U. M. Bhatta","submitted_at":"2011-06-19T15:12:49Z","abstract_excerpt":"Zn nanoclusters (NCs) are deposited by Low-energy cluster beam deposition technique. The mechanism of oxidation is studied by analysing their compositional and morphological evolution over a long span of time (three years) due to exposure to ambient atmosphere. It is concluded that the mechanism proceeds in two steps. In the first step, the shell of ZnO forms over Zn NCs rapidly up to certain limiting thickness: with in few days -- depending upon the size -- Zn NCs are converted to Zn-ZnO (core-shell), Zn-void-ZnO, or hollow ZnO type NCs. Bigger than ~15 nm become Zn-ZnO (core-shell) type: amo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1106.3752","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":"1106.3752","created_at":"2026-05-18T03:42:22.543792+00:00"},{"alias_kind":"arxiv_version","alias_value":"1106.3752v2","created_at":"2026-05-18T03:42:22.543792+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1106.3752","created_at":"2026-05-18T03:42:22.543792+00:00"},{"alias_kind":"pith_short_12","alias_value":"3ZBRRJDQ7C6L","created_at":"2026-05-18T12:26:20.644004+00:00"},{"alias_kind":"pith_short_16","alias_value":"3ZBRRJDQ7C6LRFBM","created_at":"2026-05-18T12:26:20.644004+00:00"},{"alias_kind":"pith_short_8","alias_value":"3ZBRRJDQ","created_at":"2026-05-18T12:26:20.644004+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/3ZBRRJDQ7C6LRFBMGJ6U4TDVOD","json":"https://pith.science/pith/3ZBRRJDQ7C6LRFBMGJ6U4TDVOD.json","graph_json":"https://pith.science/api/pith-number/3ZBRRJDQ7C6LRFBMGJ6U4TDVOD/graph.json","events_json":"https://pith.science/api/pith-number/3ZBRRJDQ7C6LRFBMGJ6U4TDVOD/events.json","paper":"https://pith.science/paper/3ZBRRJDQ"},"agent_actions":{"view_html":"https://pith.science/pith/3ZBRRJDQ7C6LRFBMGJ6U4TDVOD","download_json":"https://pith.science/pith/3ZBRRJDQ7C6LRFBMGJ6U4TDVOD.json","view_paper":"https://pith.science/paper/3ZBRRJDQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1106.3752&json=true","fetch_graph":"https://pith.science/api/pith-number/3ZBRRJDQ7C6LRFBMGJ6U4TDVOD/graph.json","fetch_events":"https://pith.science/api/pith-number/3ZBRRJDQ7C6LRFBMGJ6U4TDVOD/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3ZBRRJDQ7C6LRFBMGJ6U4TDVOD/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3ZBRRJDQ7C6LRFBMGJ6U4TDVOD/action/storage_attestation","attest_author":"https://pith.science/pith/3ZBRRJDQ7C6LRFBMGJ6U4TDVOD/action/author_attestation","sign_citation":"https://pith.science/pith/3ZBRRJDQ7C6LRFBMGJ6U4TDVOD/action/citation_signature","submit_replication":"https://pith.science/pith/3ZBRRJDQ7C6LRFBMGJ6U4TDVOD/action/replication_record"}},"created_at":"2026-05-18T03:42:22.543792+00:00","updated_at":"2026-05-18T03:42:22.543792+00:00"}