{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:IYNJ4OX5HW3YFMWPJJ3UJ56RAA","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":"069abf5c2dd8c22df795d3096ce5d971ad2f41c7fc87c0c02f99ef967a27eae8","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-07-02T10:16:55Z","title_canon_sha256":"a8f4486a50c4b286f7207eec785d3cf882d586ddd308bdebd09e1e1ebf0716b2"},"schema_version":"1.0","source":{"id":"1007.0329","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1007.0329","created_at":"2026-05-18T04:35:06Z"},{"alias_kind":"arxiv_version","alias_value":"1007.0329v2","created_at":"2026-05-18T04:35:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1007.0329","created_at":"2026-05-18T04:35:06Z"},{"alias_kind":"pith_short_12","alias_value":"IYNJ4OX5HW3Y","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"IYNJ4OX5HW3YFMWP","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"IYNJ4OX5","created_at":"2026-05-18T12:26:09Z"}],"graph_snapshots":[{"event_id":"sha256:91fd4285e3499700fd89c5f5f16ea4b32cbe3874f6899beb48af1885935be299","target":"graph","created_at":"2026-05-18T04:35:06Z","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 Si(001) surface subjected to different treatments in ultrahigh vacuum molecular beam epitaxy chamber for SiO$_2$ film decomposition has been in situ investigated by reflected high energy electron diffraction (RHEED) and high resolution scanning tunnelling microscopy (STM). A transition between (2 x 1) and (4 x 4) RHEED patterns was observed. The (4 x 4) pattern arose at T <~600C during sample posttreatment cooling. The reconstruction was observed to be reversible. The c(8 x 8) structure was revealed by STM at room temperature on the same samples. The (4 x 4) patterns have been evidenced to","authors_text":"K. V. Chizh, L. V. Arapkina, V. A. Yuryev, V. M. Shevlyuga","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-07-02T10:16:55Z","title":"Phase transition between (2 x 1) and c(8 x 8) reconstructions observed on the Si(001) surface around 600C"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1007.0329","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:f0206a370d08a1aaf71bf2ae582ba6ffa012f5aad9bdab09f7d5cf09a47d5b61","target":"record","created_at":"2026-05-18T04:35:06Z","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":"069abf5c2dd8c22df795d3096ce5d971ad2f41c7fc87c0c02f99ef967a27eae8","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-07-02T10:16:55Z","title_canon_sha256":"a8f4486a50c4b286f7207eec785d3cf882d586ddd308bdebd09e1e1ebf0716b2"},"schema_version":"1.0","source":{"id":"1007.0329","kind":"arxiv","version":2}},"canonical_sha256":"461a9e3afd3db782b2cf4a7744f7d1002763b2ea77af5b8fccfaaba41d1349c9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"461a9e3afd3db782b2cf4a7744f7d1002763b2ea77af5b8fccfaaba41d1349c9","first_computed_at":"2026-05-18T04:35:06.013699Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:35:06.013699Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vZmIEWQ9/tjL7lhnOXDDhFJQu181iLwjWm/lR3Ip6zmAurtbRnij7q/TkeMRESEwBmdVhl2U49aGIIQz12xdDg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:35:06.014356Z","signed_message":"canonical_sha256_bytes"},"source_id":"1007.0329","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f0206a370d08a1aaf71bf2ae582ba6ffa012f5aad9bdab09f7d5cf09a47d5b61","sha256:91fd4285e3499700fd89c5f5f16ea4b32cbe3874f6899beb48af1885935be299"],"state_sha256":"8894af0d73969a0c5ed0f31bdb1029f1c8d8c5016c5b4a4b5ee83abeda75593f"}