{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:GWLUW46ZGFX2J26NELXBXXTJSQ","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":"c2a1781362c331e9f1dcf15f5ddc698f9349c592103ab8aaad8f3c92cd46da67","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-11-20T11:51:19Z","title_canon_sha256":"13d75c162c3a066bd5d5bebef8c5436fe3ed654bfdfe777fb8a3f6ac714815a9"},"schema_version":"1.0","source":{"id":"2511.16269","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2511.16269","created_at":"2026-06-04T01:08:36Z"},{"alias_kind":"arxiv_version","alias_value":"2511.16269v1","created_at":"2026-06-04T01:08:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2511.16269","created_at":"2026-06-04T01:08:36Z"},{"alias_kind":"pith_short_12","alias_value":"GWLUW46ZGFX2","created_at":"2026-06-04T01:08:36Z"},{"alias_kind":"pith_short_16","alias_value":"GWLUW46ZGFX2J26N","created_at":"2026-06-04T01:08:36Z"},{"alias_kind":"pith_short_8","alias_value":"GWLUW46Z","created_at":"2026-06-04T01:08:36Z"}],"graph_snapshots":[{"event_id":"sha256:38b00e066b731b3a5bc25698dc39098ce4912c8d68a9b8fc6658913d4813440f","target":"graph","created_at":"2026-06-04T01:08:36Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2511.16269/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We report the successful growth of epitaxial layers of van der Waals (vdW) lead oxide (PbO) polymorphs on different substrates, via pulsed laser deposition. A thin layer of vdW ${\\alpha}$-PbO (~5 nm) was subsequently used as a virtual substrate to grow thin films of perovskites BaTiO$_3$, SrTiO$_3$, and the spinel CoFe$_2$O$_4$ with a crystal quality comparable to direct epitaxy on single-crystal oxide substrates. Notably, films with the larger lattice parameter underwent spontaneous, controlled spalling within days of growth, remaining structurally intact, or were easily exfoliated and transf","authors_text":"Francisco Rivadulla, Marcel S. Claro","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-11-20T11:51:19Z","title":"van der Waals epitaxy of lead monoxide - PbO and application as a virtual substrate for oxide membranes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2511.16269","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":"sha256:8dd81169f9bf15299ebee86c3720af6cc67eac8788836964cce8c0360bc864e4","target":"record","created_at":"2026-06-04T01:08:36Z","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":"c2a1781362c331e9f1dcf15f5ddc698f9349c592103ab8aaad8f3c92cd46da67","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-11-20T11:51:19Z","title_canon_sha256":"13d75c162c3a066bd5d5bebef8c5436fe3ed654bfdfe777fb8a3f6ac714815a9"},"schema_version":"1.0","source":{"id":"2511.16269","kind":"arxiv","version":1}},"canonical_sha256":"35974b73d9316fa4ebcd22ee1bde6994273463233aa109805bef78fd60f9ac03","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"35974b73d9316fa4ebcd22ee1bde6994273463233aa109805bef78fd60f9ac03","first_computed_at":"2026-06-04T01:08:36.496542Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-04T01:08:36.496542Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NArs+wfwwNGS8MPBN1yZg51Kne2/GaemHTAXhrZytxLNvim3nxwsozeaQnHsk5HxH26ZudyWiuHCKWeGefZwBA==","signature_status":"signed_v1","signed_at":"2026-06-04T01:08:36.497289Z","signed_message":"canonical_sha256_bytes"},"source_id":"2511.16269","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8dd81169f9bf15299ebee86c3720af6cc67eac8788836964cce8c0360bc864e4","sha256:38b00e066b731b3a5bc25698dc39098ce4912c8d68a9b8fc6658913d4813440f"],"state_sha256":"86b56e5d56de108931542336f9a83874211ffeec4a8aed8bc8d6b10dfe0e69b2"}