{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:YHBOCAVKIFGCAN2BIKI6GGFOC2","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":"dbeb897077abcb74deba69dabafd10acd22f39507d67089c53ad4a742c6ad767","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-03-06T06:40:16Z","title_canon_sha256":"be597f78eb9a2a5fc02c0bf06ef62d541b1f578a3b210ccb5d1f7c190b18f51d"},"schema_version":"1.0","source":{"id":"1503.01859","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.01859","created_at":"2026-05-18T01:34:54Z"},{"alias_kind":"arxiv_version","alias_value":"1503.01859v2","created_at":"2026-05-18T01:34:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.01859","created_at":"2026-05-18T01:34:54Z"},{"alias_kind":"pith_short_12","alias_value":"YHBOCAVKIFGC","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_16","alias_value":"YHBOCAVKIFGCAN2B","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_8","alias_value":"YHBOCAVK","created_at":"2026-05-18T12:29:50Z"}],"graph_snapshots":[{"event_id":"sha256:6f3673dbd99ca3f560d46c9a8af6dd796b59bdf3c49a66dc188c7fcf4eb254b4","target":"graph","created_at":"2026-05-18T01:34:54Z","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 microscopic structure of ultra-thin oxide barriers often plays a major role in modern nano-electronic devices. In the case of superconducting electronic circuits, their operation depends on the electrical non-linearity provided by one or more such oxide layers in the form of ultra-thin tunnel barriers (also known as Josephson junctions). Currently available fabrication techniques manufacture an amorphous oxide barrier, which is attributed as a major noise source within the device. The nature of this noise is currently an open question and requires both experimental and theoretical investig","authors_text":"George Opletal, Jared H. Cole, Martin J. Cyster, Salvy P. Russo, Timothy C. DuBois","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-03-06T06:40:16Z","title":"Constructing ab initio models of ultra-thin Al-AlOx-Al barriers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.01859","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":"sha256:50b86604a62461c67f09474b8bfd47abe2fd60414c28b7aa1181fa4f5e0e3beb","target":"record","created_at":"2026-05-18T01:34:54Z","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":"dbeb897077abcb74deba69dabafd10acd22f39507d67089c53ad4a742c6ad767","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-03-06T06:40:16Z","title_canon_sha256":"be597f78eb9a2a5fc02c0bf06ef62d541b1f578a3b210ccb5d1f7c190b18f51d"},"schema_version":"1.0","source":{"id":"1503.01859","kind":"arxiv","version":2}},"canonical_sha256":"c1c2e102aa414c2037414291e318ae169d85484f11e1b30a8f18f0a65ff7c210","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c1c2e102aa414c2037414291e318ae169d85484f11e1b30a8f18f0a65ff7c210","first_computed_at":"2026-05-18T01:34:54.931224Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:34:54.931224Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Yit4jDsbkT1r3Y6qecQyJd/NOX/JqvNrKgMts/3p3NJ2qvUPiPj+ohrxdTNz/ygOQini4Dsm4wEkaVHwk5lvAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:34:54.931776Z","signed_message":"canonical_sha256_bytes"},"source_id":"1503.01859","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:50b86604a62461c67f09474b8bfd47abe2fd60414c28b7aa1181fa4f5e0e3beb","sha256:6f3673dbd99ca3f560d46c9a8af6dd796b59bdf3c49a66dc188c7fcf4eb254b4"],"state_sha256":"eb2c6e8382fa74489b58022ed706c71a7db0f117297bc806f52c0ca7411f7afd"}