{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:JCXMQW6JEAKYLQNDVIYXHHU67A","short_pith_number":"pith:JCXMQW6J","canonical_record":{"source":{"id":"1808.05198","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-08-15T17:44:25Z","cross_cats_sorted":[],"title_canon_sha256":"a1e4826be795d25174e0ecc9b42a26e09ad2d7c6c7ff13804a9eab08ed514c69","abstract_canon_sha256":"e872513346701611f02a00be120df4e9f8dc1cb26b3d6fe12550463eb2054ce4"},"schema_version":"1.0"},"canonical_sha256":"48aec85bc9201585c1a3aa31739e9ef80b5bf875f1ba2723ff24b1a09bc25edc","source":{"kind":"arxiv","id":"1808.05198","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.05198","created_at":"2026-05-18T00:08:01Z"},{"alias_kind":"arxiv_version","alias_value":"1808.05198v1","created_at":"2026-05-18T00:08:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.05198","created_at":"2026-05-18T00:08:01Z"},{"alias_kind":"pith_short_12","alias_value":"JCXMQW6JEAKY","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"JCXMQW6JEAKYLQND","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"JCXMQW6J","created_at":"2026-05-18T12:32:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:JCXMQW6JEAKYLQNDVIYXHHU67A","target":"record","payload":{"canonical_record":{"source":{"id":"1808.05198","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-08-15T17:44:25Z","cross_cats_sorted":[],"title_canon_sha256":"a1e4826be795d25174e0ecc9b42a26e09ad2d7c6c7ff13804a9eab08ed514c69","abstract_canon_sha256":"e872513346701611f02a00be120df4e9f8dc1cb26b3d6fe12550463eb2054ce4"},"schema_version":"1.0"},"canonical_sha256":"48aec85bc9201585c1a3aa31739e9ef80b5bf875f1ba2723ff24b1a09bc25edc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:08:01.348000Z","signature_b64":"493FlOuO5fxIpTwLszFyehzFkkyiu0REq/rxlO+bEhHCYpPZrV/Zx93WGpXI2LWEsQ/6upUer3aXOT5XbwRMDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"48aec85bc9201585c1a3aa31739e9ef80b5bf875f1ba2723ff24b1a09bc25edc","last_reissued_at":"2026-05-18T00:08:01.347513Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:08:01.347513Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1808.05198","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:08:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vasnQFULNg7cWaVoBsBXFaCccmq7EJBEAEdsrEOflijrXf5BViLx4jv0at/t05g2WbODAxEFPEKWPl+HzG2FCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T16:41:38.828765Z"},"content_sha256":"738400be2b32908b86469be9650941b24f7cbf2493b012a308c3dc6676bd5421","schema_version":"1.0","event_id":"sha256:738400be2b32908b86469be9650941b24f7cbf2493b012a308c3dc6676bd5421"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:JCXMQW6JEAKYLQNDVIYXHHU67A","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Electron Localization Enhances Cation Diffusion in Reduced ZrO2, CeO2 and BaTiO3","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"I-Wei Chen, Ju Li, Liang Qi, Yanhao Dong","submitted_at":"2018-08-15T17:44:25Z","abstract_excerpt":"According to defect chemistry, the experimental observations of enhanced cation diffusion in a reducing atmosphere in zirconia, ceria and barium titanate are in support of an interstitial mechanism. Yet previous computational studies always found a much higher formation energy for cation interstitials than for cation vacancies, which would rule out the interstitial mechanism. The conundrum has been resolved via first-principles calculations comparing migration of reduced cations and oxidized ones, in cubic ZrO2, CeO2 and BaTiO3. In nearly all cases, reduction alone lowers the migration barrier"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.05198","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:08:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5JIj+43ReXHKCsDGAsLRav90E/KSBk/G8iP0lvyUQRw70S5QLuk8vDJedyH7S2LDEv8CwcnvbncTfRnq+LOHBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T16:41:38.829587Z"},"content_sha256":"ea2eaf1aa091da143e7c97e415999af3b62d6a061993fd9ec772682553cce8b4","schema_version":"1.0","event_id":"sha256:ea2eaf1aa091da143e7c97e415999af3b62d6a061993fd9ec772682553cce8b4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JCXMQW6JEAKYLQNDVIYXHHU67A/bundle.json","state_url":"https://pith.science/pith/JCXMQW6JEAKYLQNDVIYXHHU67A/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JCXMQW6JEAKYLQNDVIYXHHU67A/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-31T16:41:38Z","links":{"resolver":"https://pith.science/pith/JCXMQW6JEAKYLQNDVIYXHHU67A","bundle":"https://pith.science/pith/JCXMQW6JEAKYLQNDVIYXHHU67A/bundle.json","state":"https://pith.science/pith/JCXMQW6JEAKYLQNDVIYXHHU67A/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JCXMQW6JEAKYLQNDVIYXHHU67A/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:JCXMQW6JEAKYLQNDVIYXHHU67A","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":"e872513346701611f02a00be120df4e9f8dc1cb26b3d6fe12550463eb2054ce4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-08-15T17:44:25Z","title_canon_sha256":"a1e4826be795d25174e0ecc9b42a26e09ad2d7c6c7ff13804a9eab08ed514c69"},"schema_version":"1.0","source":{"id":"1808.05198","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.05198","created_at":"2026-05-18T00:08:01Z"},{"alias_kind":"arxiv_version","alias_value":"1808.05198v1","created_at":"2026-05-18T00:08:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.05198","created_at":"2026-05-18T00:08:01Z"},{"alias_kind":"pith_short_12","alias_value":"JCXMQW6JEAKY","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"JCXMQW6JEAKYLQND","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"JCXMQW6J","created_at":"2026-05-18T12:32:31Z"}],"graph_snapshots":[{"event_id":"sha256:ea2eaf1aa091da143e7c97e415999af3b62d6a061993fd9ec772682553cce8b4","target":"graph","created_at":"2026-05-18T00:08:01Z","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":"According to defect chemistry, the experimental observations of enhanced cation diffusion in a reducing atmosphere in zirconia, ceria and barium titanate are in support of an interstitial mechanism. Yet previous computational studies always found a much higher formation energy for cation interstitials than for cation vacancies, which would rule out the interstitial mechanism. The conundrum has been resolved via first-principles calculations comparing migration of reduced cations and oxidized ones, in cubic ZrO2, CeO2 and BaTiO3. In nearly all cases, reduction alone lowers the migration barrier","authors_text":"I-Wei Chen, Ju Li, Liang Qi, Yanhao Dong","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-08-15T17:44:25Z","title":"Electron Localization Enhances Cation Diffusion in Reduced ZrO2, CeO2 and BaTiO3"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.05198","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":"sha256:738400be2b32908b86469be9650941b24f7cbf2493b012a308c3dc6676bd5421","target":"record","created_at":"2026-05-18T00:08:01Z","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":"e872513346701611f02a00be120df4e9f8dc1cb26b3d6fe12550463eb2054ce4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-08-15T17:44:25Z","title_canon_sha256":"a1e4826be795d25174e0ecc9b42a26e09ad2d7c6c7ff13804a9eab08ed514c69"},"schema_version":"1.0","source":{"id":"1808.05198","kind":"arxiv","version":1}},"canonical_sha256":"48aec85bc9201585c1a3aa31739e9ef80b5bf875f1ba2723ff24b1a09bc25edc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"48aec85bc9201585c1a3aa31739e9ef80b5bf875f1ba2723ff24b1a09bc25edc","first_computed_at":"2026-05-18T00:08:01.347513Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:08:01.347513Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"493FlOuO5fxIpTwLszFyehzFkkyiu0REq/rxlO+bEhHCYpPZrV/Zx93WGpXI2LWEsQ/6upUer3aXOT5XbwRMDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:08:01.348000Z","signed_message":"canonical_sha256_bytes"},"source_id":"1808.05198","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:738400be2b32908b86469be9650941b24f7cbf2493b012a308c3dc6676bd5421","sha256:ea2eaf1aa091da143e7c97e415999af3b62d6a061993fd9ec772682553cce8b4"],"state_sha256":"c52e1da54c393b85a2c1c2e74058deb3616c5018d90d955a3be0d9e0e7704c7c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uPh8yLkCzVJbTsrYpgm0qqs6p/C8QrosmeuuW0kNsn7SaPFjxtxFpo6/AZ5AQCBtkbXMfAbjUAGNJQ2izm22AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T16:41:38.833866Z","bundle_sha256":"61bec9ca186d6787a1fa13b0cba12742e787f3c688bb823d80660f7677e77f7e"}}