{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:NNLE7TP7LU2PEB25XDZRRAELKM","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":"26f541b31409f10e260adc6da769d27e3f40921fe9d05e29a538f5ad66355f01","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"","primary_cat":"cond-mat.mes-hall","submitted_at":"2008-01-16T15:34:37Z","title_canon_sha256":"632336374c2a365891fbdc6259255c60b3cfb3e03f96e023de2bc9f1a446c04e"},"schema_version":"1.0","source":{"id":"0801.2515","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0801.2515","created_at":"2026-05-18T02:16:01Z"},{"alias_kind":"arxiv_version","alias_value":"0801.2515v1","created_at":"2026-05-18T02:16:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0801.2515","created_at":"2026-05-18T02:16:01Z"},{"alias_kind":"pith_short_12","alias_value":"NNLE7TP7LU2P","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"NNLE7TP7LU2PEB25","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"NNLE7TP7","created_at":"2026-05-18T12:25:57Z"}],"graph_snapshots":[{"event_id":"sha256:e752f733dd5d1b433d3d27793654b968d09bbcf02ad54e638bf9375d8b23640e","target":"graph","created_at":"2026-05-18T02:16:01Z","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":"We report a new approach for progressive and well-controlled downsizing of nanostructures below the 10 nm scale. Low energetic ion beam (Ar+) is used for gentle surface erosion, progressively shrinking the dimensions with ~ 1 nm accuracy. The method enables shaping of nanostructure geometry and polishing the surface. The process is clean room / high vacuum compatible being suitable for various applications. Apart from technological advantages, the method enables study of various size phenomena on the same sample between sessions of ion beam treatment.","authors_text":"K. P. Riikonen, K. Yu Arutyunov, M. Zgirski, P. Jalkanen, T. T. Hongisto, V. Tuboltsev","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"","primary_cat":"cond-mat.mes-hall","submitted_at":"2008-01-16T15:34:37Z","title":"Ion beam shaping and downsizing of nanostructures"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0801.2515","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":"sha256:31732697cdfec922fb3705c77033d7db0f91f936bea62110ef4e5ca3384d7697","target":"record","created_at":"2026-05-18T02:16:01Z","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":"26f541b31409f10e260adc6da769d27e3f40921fe9d05e29a538f5ad66355f01","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"","primary_cat":"cond-mat.mes-hall","submitted_at":"2008-01-16T15:34:37Z","title_canon_sha256":"632336374c2a365891fbdc6259255c60b3cfb3e03f96e023de2bc9f1a446c04e"},"schema_version":"1.0","source":{"id":"0801.2515","kind":"arxiv","version":1}},"canonical_sha256":"6b564fcdff5d34f2075db8f318808b531ed3e8de1a4d4380e62b410386b7de90","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6b564fcdff5d34f2075db8f318808b531ed3e8de1a4d4380e62b410386b7de90","first_computed_at":"2026-05-18T02:16:01.852047Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:16:01.852047Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FYf733Wh9kLUJhnjJjYzH7lUDEMmTypd6riIHcHi3SXzP/4TLfPwaeyia8pVuGte+PY41ez7JjuaeXxcFOJ2CA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:16:01.852649Z","signed_message":"canonical_sha256_bytes"},"source_id":"0801.2515","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:31732697cdfec922fb3705c77033d7db0f91f936bea62110ef4e5ca3384d7697","sha256:e752f733dd5d1b433d3d27793654b968d09bbcf02ad54e638bf9375d8b23640e"],"state_sha256":"f98560315b2aaf2ff90cb4a280bf75993edad69719ad78dde631d8551018da1e"}