{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:D7NUYGRYFF4JWZPEKPSVBNRVAL","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":"ca8910dba687632c6ba2a4afc2f16c179d9eecc79b3cf95b382fa5f51a5c7e0e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-07-07T17:22:55Z","title_canon_sha256":"de7ae0866f187b57e89a34a8e32d1d196d49cfa7b1927437ba3dd8e79a0674fb"},"schema_version":"1.0","source":{"id":"1607.02090","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.02090","created_at":"2026-05-18T01:11:22Z"},{"alias_kind":"arxiv_version","alias_value":"1607.02090v1","created_at":"2026-05-18T01:11:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.02090","created_at":"2026-05-18T01:11:22Z"},{"alias_kind":"pith_short_12","alias_value":"D7NUYGRYFF4J","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_16","alias_value":"D7NUYGRYFF4JWZPE","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_8","alias_value":"D7NUYGRY","created_at":"2026-05-18T12:30:09Z"}],"graph_snapshots":[{"event_id":"sha256:d84e799d87d232d2a419c68b25ef6cefa45436aa3074fe7314624ce96c9b9e6b","target":"graph","created_at":"2026-05-18T01:11:22Z","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":"In this study we employ Density Functional Theory (DFT) methods to investigate the surface energy barrier for electron emission (surface barrier) and thermodynamic stability of Ba and Ba-O species adsorption under conditions of high temperature (approximately 1200 K) and low pressure (approximately $10^{-10}$ Torr) on the low index surfaces of bixbyite $Sc_2O_3$. The role of Ba in lowering the cathode surface barrier is investigated via adsorption of atomic Ba and Ba-O dimers, where the highest simulated dimer coverage corresponds to a single monolayer film of rocksalt BaO. The change of the s","authors_text":"Dane Morgan, John H. Booske, Ryan M. Jacobs","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-07-07T17:22:55Z","title":"Electron Emission Energy Barriers and Stability of $Sc_2O_3$ with Adsorbed Ba and Ba-O"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.02090","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:fafbf1e671daec6d85fcb2516b4ad5ce2a087b64fb67b5b07203983be8d6b123","target":"record","created_at":"2026-05-18T01:11:22Z","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":"ca8910dba687632c6ba2a4afc2f16c179d9eecc79b3cf95b382fa5f51a5c7e0e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-07-07T17:22:55Z","title_canon_sha256":"de7ae0866f187b57e89a34a8e32d1d196d49cfa7b1927437ba3dd8e79a0674fb"},"schema_version":"1.0","source":{"id":"1607.02090","kind":"arxiv","version":1}},"canonical_sha256":"1fdb4c1a3829789b65e453e550b63502ed471df1b8b32937f47afd6fdd1f0835","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1fdb4c1a3829789b65e453e550b63502ed471df1b8b32937f47afd6fdd1f0835","first_computed_at":"2026-05-18T01:11:22.184764Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:11:22.184764Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NEtQ+hTky9DHGPO6lq2bqcYOarraaEMMWMH9rzRIhLSG4bVcB7aGfM5WFyEiW8rUZBSs+5//pQsHFENh3NGPBg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:11:22.185236Z","signed_message":"canonical_sha256_bytes"},"source_id":"1607.02090","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fafbf1e671daec6d85fcb2516b4ad5ce2a087b64fb67b5b07203983be8d6b123","sha256:d84e799d87d232d2a419c68b25ef6cefa45436aa3074fe7314624ce96c9b9e6b"],"state_sha256":"62ac0f6dceb839ab4f62a1094a6c378ffb0c55be3d11d147f230d3e65cf0bf9b"}