{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:AZG4W24IFLHPQ7GMNWQVNOT6UR","short_pith_number":"pith:AZG4W24I","canonical_record":{"source":{"id":"1509.01341","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-09-04T05:20:38Z","cross_cats_sorted":[],"title_canon_sha256":"5753ab96eb46d24fdc8259f14b425c28eb4c0bb25a9e6873a767f3c48b1a69c9","abstract_canon_sha256":"2b143de849faaa25e0dd432395f6f4d6f4d5093edcf7dbbae12cdc09836bdb02"},"schema_version":"1.0"},"canonical_sha256":"064dcb6b882acef87ccc6da156ba7ea4507c6a6b945d433dc014e43a556a11cb","source":{"kind":"arxiv","id":"1509.01341","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.01341","created_at":"2026-05-18T01:22:20Z"},{"alias_kind":"arxiv_version","alias_value":"1509.01341v1","created_at":"2026-05-18T01:22:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.01341","created_at":"2026-05-18T01:22:20Z"},{"alias_kind":"pith_short_12","alias_value":"AZG4W24IFLHP","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_16","alias_value":"AZG4W24IFLHPQ7GM","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_8","alias_value":"AZG4W24I","created_at":"2026-05-18T12:29:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:AZG4W24IFLHPQ7GMNWQVNOT6UR","target":"record","payload":{"canonical_record":{"source":{"id":"1509.01341","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-09-04T05:20:38Z","cross_cats_sorted":[],"title_canon_sha256":"5753ab96eb46d24fdc8259f14b425c28eb4c0bb25a9e6873a767f3c48b1a69c9","abstract_canon_sha256":"2b143de849faaa25e0dd432395f6f4d6f4d5093edcf7dbbae12cdc09836bdb02"},"schema_version":"1.0"},"canonical_sha256":"064dcb6b882acef87ccc6da156ba7ea4507c6a6b945d433dc014e43a556a11cb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:22:20.266587Z","signature_b64":"gSXguKh8zwMtUbotSE6mGQ71dvs3whb1D09Irg7vPo0cl4fWCqNotjnQ+2iZvgASA982PdCZmwYWd5q/5DrZDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"064dcb6b882acef87ccc6da156ba7ea4507c6a6b945d433dc014e43a556a11cb","last_reissued_at":"2026-05-18T01:22:20.265739Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:22:20.265739Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1509.01341","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":"2026-05-18T01:22:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jnHk5udhR2GncC6TtvQ8kKq+gLtt7wVOeWHS/7U7e+Dj9dOYApqAg6YvPz6GOQnZHzA3TeX/B8+lPK0dQO4WCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T23:36:54.720629Z"},"content_sha256":"13db66e394d1f4c610e4cdd43bfb8760ffa1820b1a7cc9d6aabb72083139f1da","schema_version":"1.0","event_id":"sha256:13db66e394d1f4c610e4cdd43bfb8760ffa1820b1a7cc9d6aabb72083139f1da"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:AZG4W24IFLHPQ7GMNWQVNOT6UR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Structural evolution of bismuth sodium titanate induced by A-site non-stoichiometry: Neutron powder diffraction studies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. Llobet, I.-K. Jeong, M.-H. Kim, T. K. Song, Y. S. Sung","submitted_at":"2015-09-04T05:20:38Z","abstract_excerpt":"We performed neutron powder diffraction measurements on (Bi$_{0.5}$Na$_{0.5+x}$)TiO$_3$ and (Bi$_{0.5+y}$Na$_{0.5}$)TiO$_3$ to study structural evolution induced by the non-stoichiometry. Despite the non-stoichiometry, the local structure ($r$$\\leq$ 3.5 {\\AA}) from the pair distribution function analysis is barely affected by the sodium deficit of up to -5 mol%. With increasing pair distance, however, the atomic pair correlations weaken due to the disorder caused by the sodium deficiency. Although the sodium and the bismuth share the same crystallographic site, their non-stoichiometry have rat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.01341","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":"2026-05-18T01:22:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1916j2t+xbaSCSD9FvNHE9qkohxjFjLblRlTFZN2i2YINlgiz/9VUUsIywRxlVLtIg9B4+RfCESkR+3V9X0OAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T23:36:54.721331Z"},"content_sha256":"9cd6caa19d8952b9a3da0a7b582183e59890977868085727ca5cb942d69914eb","schema_version":"1.0","event_id":"sha256:9cd6caa19d8952b9a3da0a7b582183e59890977868085727ca5cb942d69914eb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AZG4W24IFLHPQ7GMNWQVNOT6UR/bundle.json","state_url":"https://pith.science/pith/AZG4W24IFLHPQ7GMNWQVNOT6UR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AZG4W24IFLHPQ7GMNWQVNOT6UR/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":"2026-06-07T23:36:54Z","links":{"resolver":"https://pith.science/pith/AZG4W24IFLHPQ7GMNWQVNOT6UR","bundle":"https://pith.science/pith/AZG4W24IFLHPQ7GMNWQVNOT6UR/bundle.json","state":"https://pith.science/pith/AZG4W24IFLHPQ7GMNWQVNOT6UR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AZG4W24IFLHPQ7GMNWQVNOT6UR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:AZG4W24IFLHPQ7GMNWQVNOT6UR","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":"2b143de849faaa25e0dd432395f6f4d6f4d5093edcf7dbbae12cdc09836bdb02","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-09-04T05:20:38Z","title_canon_sha256":"5753ab96eb46d24fdc8259f14b425c28eb4c0bb25a9e6873a767f3c48b1a69c9"},"schema_version":"1.0","source":{"id":"1509.01341","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.01341","created_at":"2026-05-18T01:22:20Z"},{"alias_kind":"arxiv_version","alias_value":"1509.01341v1","created_at":"2026-05-18T01:22:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.01341","created_at":"2026-05-18T01:22:20Z"},{"alias_kind":"pith_short_12","alias_value":"AZG4W24IFLHP","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_16","alias_value":"AZG4W24IFLHPQ7GM","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_8","alias_value":"AZG4W24I","created_at":"2026-05-18T12:29:14Z"}],"graph_snapshots":[{"event_id":"sha256:9cd6caa19d8952b9a3da0a7b582183e59890977868085727ca5cb942d69914eb","target":"graph","created_at":"2026-05-18T01:22:20Z","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":"We performed neutron powder diffraction measurements on (Bi$_{0.5}$Na$_{0.5+x}$)TiO$_3$ and (Bi$_{0.5+y}$Na$_{0.5}$)TiO$_3$ to study structural evolution induced by the non-stoichiometry. Despite the non-stoichiometry, the local structure ($r$$\\leq$ 3.5 {\\AA}) from the pair distribution function analysis is barely affected by the sodium deficit of up to -5 mol%. With increasing pair distance, however, the atomic pair correlations weaken due to the disorder caused by the sodium deficiency. Although the sodium and the bismuth share the same crystallographic site, their non-stoichiometry have rat","authors_text":"A. Llobet, I.-K. Jeong, M.-H. Kim, T. K. Song, Y. S. Sung","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-09-04T05:20:38Z","title":"Structural evolution of bismuth sodium titanate induced by A-site non-stoichiometry: Neutron powder diffraction studies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.01341","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":"sha256:13db66e394d1f4c610e4cdd43bfb8760ffa1820b1a7cc9d6aabb72083139f1da","target":"record","created_at":"2026-05-18T01:22:20Z","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":"2b143de849faaa25e0dd432395f6f4d6f4d5093edcf7dbbae12cdc09836bdb02","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-09-04T05:20:38Z","title_canon_sha256":"5753ab96eb46d24fdc8259f14b425c28eb4c0bb25a9e6873a767f3c48b1a69c9"},"schema_version":"1.0","source":{"id":"1509.01341","kind":"arxiv","version":1}},"canonical_sha256":"064dcb6b882acef87ccc6da156ba7ea4507c6a6b945d433dc014e43a556a11cb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"064dcb6b882acef87ccc6da156ba7ea4507c6a6b945d433dc014e43a556a11cb","first_computed_at":"2026-05-18T01:22:20.265739Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:22:20.265739Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gSXguKh8zwMtUbotSE6mGQ71dvs3whb1D09Irg7vPo0cl4fWCqNotjnQ+2iZvgASA982PdCZmwYWd5q/5DrZDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:22:20.266587Z","signed_message":"canonical_sha256_bytes"},"source_id":"1509.01341","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:13db66e394d1f4c610e4cdd43bfb8760ffa1820b1a7cc9d6aabb72083139f1da","sha256:9cd6caa19d8952b9a3da0a7b582183e59890977868085727ca5cb942d69914eb"],"state_sha256":"19209138811b4e7eddbcaa9124c7dc6bfc9988f7fbbc3121576dca257a4439cb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"d5/QyUflumPm8abrkDo7+wcMoeNUjmQz8QkjuKpocsCRJn5dsRq3sfk4bghnqzfSy+Rtby5ZOPVMm0GjKBCDCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T23:36:54.725019Z","bundle_sha256":"9259dac386754ef874e3b581732a8976d4f329f3b36e44d80f372db4dc8ec3c4"}}