{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:YXZZEL2AJMU7S522RWGQ2TISTM","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":"481f0828aa17ea610c40db3fd78db6138549f8f59baf80eca77c4712f324ea17","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2026-05-26T13:56:18Z","title_canon_sha256":"18d4262d7f0cea55e3188584edc51c94d96a227ff4bd534b6f6ab75bd8ce491e"},"schema_version":"1.0","source":{"id":"2605.27036","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.27036","created_at":"2026-05-27T01:06:25Z"},{"alias_kind":"arxiv_version","alias_value":"2605.27036v1","created_at":"2026-05-27T01:06:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.27036","created_at":"2026-05-27T01:06:25Z"},{"alias_kind":"pith_short_12","alias_value":"YXZZEL2AJMU7","created_at":"2026-05-27T01:06:25Z"},{"alias_kind":"pith_short_16","alias_value":"YXZZEL2AJMU7S522","created_at":"2026-05-27T01:06:25Z"},{"alias_kind":"pith_short_8","alias_value":"YXZZEL2A","created_at":"2026-05-27T01:06:25Z"}],"graph_snapshots":[{"event_id":"sha256:4a48c7bec86e8efd70af0700506178997c567736f263ebca3df74c82bab0dbab","target":"graph","created_at":"2026-05-27T01:06:25Z","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/2605.27036/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The effect of oxygen partial pressure during the pre-calcination step (high vacuum, air, nitrogen, and oxygen) on the crystal structure, microstructure, and electrical properties of Na0.5Bi0.465Sr0.02Eu0.005TiO3 oxide-ion-conducting ceramics was systematically investigated. Dense ceramic samples were prepared by a conventional solid-state reaction route under different atmospheres. The results show that the oxygen partial pressure strongly affects Bi volatilization, grain growth, and oxygen-vacancy concentration. The largest average grain size was obtained for the nitrogentreated sample, where","authors_text":"Duanting Yan, Hancheng Zhu, Zongxue Wang","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2026-05-26T13:56:18Z","title":"Probing the Effects of Heat Treatment Atmosphere on the Structural and Electrical Properties of NBT via Eu Photoluminescence"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.27036","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":"sha256:5768832a8f8fc2c6aed610dac9960654fbe969d36e5786b20ab501685e0b3584","target":"record","created_at":"2026-05-27T01:06:25Z","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":"481f0828aa17ea610c40db3fd78db6138549f8f59baf80eca77c4712f324ea17","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2026-05-26T13:56:18Z","title_canon_sha256":"18d4262d7f0cea55e3188584edc51c94d96a227ff4bd534b6f6ab75bd8ce491e"},"schema_version":"1.0","source":{"id":"2605.27036","kind":"arxiv","version":1}},"canonical_sha256":"c5f3922f404b29f9775a8d8d0d4d129b3078c266634fabd1945cd9ef245b7f39","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c5f3922f404b29f9775a8d8d0d4d129b3078c266634fabd1945cd9ef245b7f39","first_computed_at":"2026-05-27T01:06:25.221329Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-27T01:06:25.221329Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Jg+olR02/H9Jbqz36xge9jg8c4ATKPjlc5ODZwoh60pKQC5Au9fAkHeECN2LUzWk8V3EfyIB8z76PSF/EBsdBQ==","signature_status":"signed_v1","signed_at":"2026-05-27T01:06:25.222183Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.27036","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5768832a8f8fc2c6aed610dac9960654fbe969d36e5786b20ab501685e0b3584","sha256:4a48c7bec86e8efd70af0700506178997c567736f263ebca3df74c82bab0dbab"],"state_sha256":"ced7ca4cf2fc994b06456bdb318901bd69ac87220ee4f514a67cd4ff1587d970"}