{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:RKVK4PEE5V77SCESE7PNZV3ZGT","short_pith_number":"pith:RKVK4PEE","canonical_record":{"source":{"id":"1110.2992","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-10-13T16:15:56Z","cross_cats_sorted":[],"title_canon_sha256":"e68f477125c53eeda4fdb531cf0bf43c80188b5a5444cdf2d61617bfeadac554","abstract_canon_sha256":"34484af202b867ff56d415cad8ec6746a86b6219f64181a9824bf090b0e50d24"},"schema_version":"1.0"},"canonical_sha256":"8aaaae3c84ed7ff9089227dedcd77934e257cf993ae69dd78ca038a03713e639","source":{"kind":"arxiv","id":"1110.2992","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.2992","created_at":"2026-05-18T04:10:56Z"},{"alias_kind":"arxiv_version","alias_value":"1110.2992v1","created_at":"2026-05-18T04:10:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.2992","created_at":"2026-05-18T04:10:56Z"},{"alias_kind":"pith_short_12","alias_value":"RKVK4PEE5V77","created_at":"2026-05-18T12:26:41Z"},{"alias_kind":"pith_short_16","alias_value":"RKVK4PEE5V77SCES","created_at":"2026-05-18T12:26:41Z"},{"alias_kind":"pith_short_8","alias_value":"RKVK4PEE","created_at":"2026-05-18T12:26:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:RKVK4PEE5V77SCESE7PNZV3ZGT","target":"record","payload":{"canonical_record":{"source":{"id":"1110.2992","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-10-13T16:15:56Z","cross_cats_sorted":[],"title_canon_sha256":"e68f477125c53eeda4fdb531cf0bf43c80188b5a5444cdf2d61617bfeadac554","abstract_canon_sha256":"34484af202b867ff56d415cad8ec6746a86b6219f64181a9824bf090b0e50d24"},"schema_version":"1.0"},"canonical_sha256":"8aaaae3c84ed7ff9089227dedcd77934e257cf993ae69dd78ca038a03713e639","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:10:56.179012Z","signature_b64":"Z/YsAVSjnseNCu0aQTGL84RxXnqf0+5RWfdg8n6A+Q1jtxJl6VDMjrrvLRdvrJ3oX1xQvX8vWd7TkG91LjxrAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8aaaae3c84ed7ff9089227dedcd77934e257cf993ae69dd78ca038a03713e639","last_reissued_at":"2026-05-18T04:10:56.172338Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:10:56.172338Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1110.2992","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":"2026-05-18T04:10:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2sP2hMyo6M5ZlSFiK55pErWXzbnZZsB/TX79dvkv6L5mdiX0cZXgfnlKeyFhAq+J2gkXPbi4DbSLSIF9fGZCCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T08:30:14.022837Z"},"content_sha256":"ba1794d7f86cdb6a0642780d7b0a80390a0a00a502043bc989ccc24fee21d03c","schema_version":"1.0","event_id":"sha256:ba1794d7f86cdb6a0642780d7b0a80390a0a00a502043bc989ccc24fee21d03c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:RKVK4PEE5V77SCESE7PNZV3ZGT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Terahertz and Infrared Studies of Antiferroelectric Phase Transition in Multiferroic Bi_0.85Nd_0.15FeO_3","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"D. Nuzhnyy, I. M. Reaney, S. Greicius, S. Kamba, S. Karimi, V. Goian","submitted_at":"2011-10-13T16:15:56Z","abstract_excerpt":"High-frequency dielectric studies of Bi_0.85Nd_0.15FeO_3 ceramics performed betweeen 100 and 900 K reveal hardening of most polar phonons on cooling below antiferroelectric phase transition, which occurs near 600 K. Moreover, a strong THz dielectric relaxation is seen in paraelectric phase. Its relaxation frequency softens on cooling towards Tc ~ 600 K, its dielectric strength simultaneously decreases and finaly the relaxation disappears from the spectra below 450 K. Both phonon and dielectric relaxation behavior is responsible for a decrease in the dielectric permittivity at the antiferroelec"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.2992","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":"2026-05-18T04:10:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jUgNf8fWN3pZWjo/hjEj98w3YIwz3MwzdKoqSOyD55PNHmZaFxcqOUWO6Qqrov2G1W81RFaiDA4axbS1ztjPCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T08:30:14.023191Z"},"content_sha256":"ffb1ede301076bd7ce52c41373aa0667ba8c381380b729a918ea2f10e2bffa50","schema_version":"1.0","event_id":"sha256:ffb1ede301076bd7ce52c41373aa0667ba8c381380b729a918ea2f10e2bffa50"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RKVK4PEE5V77SCESE7PNZV3ZGT/bundle.json","state_url":"https://pith.science/pith/RKVK4PEE5V77SCESE7PNZV3ZGT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RKVK4PEE5V77SCESE7PNZV3ZGT/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":"2026-05-27T08:30:14Z","links":{"resolver":"https://pith.science/pith/RKVK4PEE5V77SCESE7PNZV3ZGT","bundle":"https://pith.science/pith/RKVK4PEE5V77SCESE7PNZV3ZGT/bundle.json","state":"https://pith.science/pith/RKVK4PEE5V77SCESE7PNZV3ZGT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RKVK4PEE5V77SCESE7PNZV3ZGT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:RKVK4PEE5V77SCESE7PNZV3ZGT","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":"34484af202b867ff56d415cad8ec6746a86b6219f64181a9824bf090b0e50d24","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-10-13T16:15:56Z","title_canon_sha256":"e68f477125c53eeda4fdb531cf0bf43c80188b5a5444cdf2d61617bfeadac554"},"schema_version":"1.0","source":{"id":"1110.2992","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.2992","created_at":"2026-05-18T04:10:56Z"},{"alias_kind":"arxiv_version","alias_value":"1110.2992v1","created_at":"2026-05-18T04:10:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.2992","created_at":"2026-05-18T04:10:56Z"},{"alias_kind":"pith_short_12","alias_value":"RKVK4PEE5V77","created_at":"2026-05-18T12:26:41Z"},{"alias_kind":"pith_short_16","alias_value":"RKVK4PEE5V77SCES","created_at":"2026-05-18T12:26:41Z"},{"alias_kind":"pith_short_8","alias_value":"RKVK4PEE","created_at":"2026-05-18T12:26:41Z"}],"graph_snapshots":[{"event_id":"sha256:ffb1ede301076bd7ce52c41373aa0667ba8c381380b729a918ea2f10e2bffa50","target":"graph","created_at":"2026-05-18T04:10:56Z","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":"High-frequency dielectric studies of Bi_0.85Nd_0.15FeO_3 ceramics performed betweeen 100 and 900 K reveal hardening of most polar phonons on cooling below antiferroelectric phase transition, which occurs near 600 K. Moreover, a strong THz dielectric relaxation is seen in paraelectric phase. Its relaxation frequency softens on cooling towards Tc ~ 600 K, its dielectric strength simultaneously decreases and finaly the relaxation disappears from the spectra below 450 K. Both phonon and dielectric relaxation behavior is responsible for a decrease in the dielectric permittivity at the antiferroelec","authors_text":"D. Nuzhnyy, I. M. Reaney, S. Greicius, S. Kamba, S. Karimi, V. Goian","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-10-13T16:15:56Z","title":"Terahertz and Infrared Studies of Antiferroelectric Phase Transition in Multiferroic Bi_0.85Nd_0.15FeO_3"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.2992","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:ba1794d7f86cdb6a0642780d7b0a80390a0a00a502043bc989ccc24fee21d03c","target":"record","created_at":"2026-05-18T04:10:56Z","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":"34484af202b867ff56d415cad8ec6746a86b6219f64181a9824bf090b0e50d24","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-10-13T16:15:56Z","title_canon_sha256":"e68f477125c53eeda4fdb531cf0bf43c80188b5a5444cdf2d61617bfeadac554"},"schema_version":"1.0","source":{"id":"1110.2992","kind":"arxiv","version":1}},"canonical_sha256":"8aaaae3c84ed7ff9089227dedcd77934e257cf993ae69dd78ca038a03713e639","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8aaaae3c84ed7ff9089227dedcd77934e257cf993ae69dd78ca038a03713e639","first_computed_at":"2026-05-18T04:10:56.172338Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:10:56.172338Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Z/YsAVSjnseNCu0aQTGL84RxXnqf0+5RWfdg8n6A+Q1jtxJl6VDMjrrvLRdvrJ3oX1xQvX8vWd7TkG91LjxrAw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:10:56.179012Z","signed_message":"canonical_sha256_bytes"},"source_id":"1110.2992","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ba1794d7f86cdb6a0642780d7b0a80390a0a00a502043bc989ccc24fee21d03c","sha256:ffb1ede301076bd7ce52c41373aa0667ba8c381380b729a918ea2f10e2bffa50"],"state_sha256":"4beaa216dc2793ca010476ace13fe1f80742aa84b71d37b6f7c039dfa3cbe683"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hyAMt9xN/don0/zfD7yJ6JkgVyT0lEJeVQpYrKMJjz0qxZW/8DZ8t5NjS5gC8NvqXdO8m44bHrR6kW1ynUXgAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T08:30:14.025471Z","bundle_sha256":"a8604c1960bdc1b2f8ab8eec672d9138b31bda36078260b6e862ba6838073829"}}