{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:BZAOGB7T7BV7IO3YJJESVLVPCU","short_pith_number":"pith:BZAOGB7T","canonical_record":{"source":{"id":"cond-mat/0609709","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.stat-mech","submitted_at":"2006-09-27T15:37:36Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"e415aabfe98f56013c55ea74373275a4686933d26610b4ee40bc18a28b82a0f1","abstract_canon_sha256":"5fdcc942329df602a4cce0207009b344cbb44a6a5ace4f379a87c0c1d7f2e972"},"schema_version":"1.0"},"canonical_sha256":"0e40e307f3f86bf43b784a492aaeaf151a0456c269d2fa14b73e4d76423c56b7","source":{"kind":"arxiv","id":"cond-mat/0609709","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0609709","created_at":"2026-05-18T01:39:42Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0609709v1","created_at":"2026-05-18T01:39:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0609709","created_at":"2026-05-18T01:39:42Z"},{"alias_kind":"pith_short_12","alias_value":"BZAOGB7T7BV7","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"BZAOGB7T7BV7IO3Y","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"BZAOGB7T","created_at":"2026-05-18T12:25:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:BZAOGB7T7BV7IO3YJJESVLVPCU","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/0609709","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.stat-mech","submitted_at":"2006-09-27T15:37:36Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"e415aabfe98f56013c55ea74373275a4686933d26610b4ee40bc18a28b82a0f1","abstract_canon_sha256":"5fdcc942329df602a4cce0207009b344cbb44a6a5ace4f379a87c0c1d7f2e972"},"schema_version":"1.0"},"canonical_sha256":"0e40e307f3f86bf43b784a492aaeaf151a0456c269d2fa14b73e4d76423c56b7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:39:42.926057Z","signature_b64":"Aq9/dBPKg7jJDWJjstqgVB2tMuVwqu2xwFFaOyC34/UviwLmTg1lA7EYSQsyVcIEqj/68BKU1oAX9hnjPxVeCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0e40e307f3f86bf43b784a492aaeaf151a0456c269d2fa14b73e4d76423c56b7","last_reissued_at":"2026-05-18T01:39:42.925548Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:39:42.925548Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/0609709","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":"2026-05-18T01:39:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z6xMHehqPwdyicqsGit9OLky5knxrqIGNH/TBh44KrTu6iOMbHqrSJ5KOSm6ZyzqPwovWUOAyw9i+nSz1WcuBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T19:11:18.996558Z"},"content_sha256":"e6cb5b73cf689ea5da05b20459311f645ce8bc572b715bde27ec1e01ee17be07","schema_version":"1.0","event_id":"sha256:e6cb5b73cf689ea5da05b20459311f645ce8bc572b715bde27ec1e01ee17be07"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:BZAOGB7T7BV7IO3YJJESVLVPCU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Size and doping effects on the coercive field of ferroelectric nanoparticles","license":"","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.stat-mech","authors_text":"J. M. Wesselinowa, S. Trimper, Th. Michael","submitted_at":"2006-09-27T15:37:36Z","abstract_excerpt":"A microscopic model for describing ferroelectric nanoparticles is proposed which allows us to calculate the polarization as a function of an external electric field, the temperature, the defect concentration and the particle size. The interaction of the constituents of the material, arranged in layers, depends on both the coupling strength at the surface and that of defect shells in addition to the bulk values. The analysis is based on an Ising model in a transverse field, modified in such a manner to study the influence of size and doping effects on the hysteresis loop of the nanoparticles. U"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0609709","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":"2026-05-18T01:39:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"88AIiDOfVY1YH6TwXP5C0xgFeFMQ9pmBUFFOZI7t7ZaGGdCRtqheyIWI1SbZMsFS5tChpO/q8B+ZNd5Pp0kwAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T19:11:18.997066Z"},"content_sha256":"646ce86e28c0a262dff7274fb14e96aa2ef62ddd2c0d850b2be3ae3e73ff96cc","schema_version":"1.0","event_id":"sha256:646ce86e28c0a262dff7274fb14e96aa2ef62ddd2c0d850b2be3ae3e73ff96cc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BZAOGB7T7BV7IO3YJJESVLVPCU/bundle.json","state_url":"https://pith.science/pith/BZAOGB7T7BV7IO3YJJESVLVPCU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BZAOGB7T7BV7IO3YJJESVLVPCU/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":"2026-06-02T19:11:18Z","links":{"resolver":"https://pith.science/pith/BZAOGB7T7BV7IO3YJJESVLVPCU","bundle":"https://pith.science/pith/BZAOGB7T7BV7IO3YJJESVLVPCU/bundle.json","state":"https://pith.science/pith/BZAOGB7T7BV7IO3YJJESVLVPCU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BZAOGB7T7BV7IO3YJJESVLVPCU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:BZAOGB7T7BV7IO3YJJESVLVPCU","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":"5fdcc942329df602a4cce0207009b344cbb44a6a5ace4f379a87c0c1d7f2e972","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"","primary_cat":"cond-mat.stat-mech","submitted_at":"2006-09-27T15:37:36Z","title_canon_sha256":"e415aabfe98f56013c55ea74373275a4686933d26610b4ee40bc18a28b82a0f1"},"schema_version":"1.0","source":{"id":"cond-mat/0609709","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0609709","created_at":"2026-05-18T01:39:42Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0609709v1","created_at":"2026-05-18T01:39:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0609709","created_at":"2026-05-18T01:39:42Z"},{"alias_kind":"pith_short_12","alias_value":"BZAOGB7T7BV7","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"BZAOGB7T7BV7IO3Y","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"BZAOGB7T","created_at":"2026-05-18T12:25:53Z"}],"graph_snapshots":[{"event_id":"sha256:646ce86e28c0a262dff7274fb14e96aa2ef62ddd2c0d850b2be3ae3e73ff96cc","target":"graph","created_at":"2026-05-18T01:39:42Z","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":"A microscopic model for describing ferroelectric nanoparticles is proposed which allows us to calculate the polarization as a function of an external electric field, the temperature, the defect concentration and the particle size. The interaction of the constituents of the material, arranged in layers, depends on both the coupling strength at the surface and that of defect shells in addition to the bulk values. The analysis is based on an Ising model in a transverse field, modified in such a manner to study the influence of size and doping effects on the hysteresis loop of the nanoparticles. U","authors_text":"J. M. Wesselinowa, S. Trimper, Th. Michael","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"","primary_cat":"cond-mat.stat-mech","submitted_at":"2006-09-27T15:37:36Z","title":"Size and doping effects on the coercive field of ferroelectric nanoparticles"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0609709","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:e6cb5b73cf689ea5da05b20459311f645ce8bc572b715bde27ec1e01ee17be07","target":"record","created_at":"2026-05-18T01:39:42Z","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":"5fdcc942329df602a4cce0207009b344cbb44a6a5ace4f379a87c0c1d7f2e972","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"","primary_cat":"cond-mat.stat-mech","submitted_at":"2006-09-27T15:37:36Z","title_canon_sha256":"e415aabfe98f56013c55ea74373275a4686933d26610b4ee40bc18a28b82a0f1"},"schema_version":"1.0","source":{"id":"cond-mat/0609709","kind":"arxiv","version":1}},"canonical_sha256":"0e40e307f3f86bf43b784a492aaeaf151a0456c269d2fa14b73e4d76423c56b7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0e40e307f3f86bf43b784a492aaeaf151a0456c269d2fa14b73e4d76423c56b7","first_computed_at":"2026-05-18T01:39:42.925548Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:39:42.925548Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Aq9/dBPKg7jJDWJjstqgVB2tMuVwqu2xwFFaOyC34/UviwLmTg1lA7EYSQsyVcIEqj/68BKU1oAX9hnjPxVeCw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:39:42.926057Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0609709","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e6cb5b73cf689ea5da05b20459311f645ce8bc572b715bde27ec1e01ee17be07","sha256:646ce86e28c0a262dff7274fb14e96aa2ef62ddd2c0d850b2be3ae3e73ff96cc"],"state_sha256":"b34957fc31b2ef6f7c4ace279c5fb21ffccfc41b979ebe4dfa65b8f33404583b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XLp0OEaltgUziHmHuvA186tJrjJshX8MZX7Tzp+pyZ8i1EbsC80d2U/L+KHQ7LxZ8DZIOZnu/ftCxXlQYIDBDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T19:11:18.999250Z","bundle_sha256":"6169a9993d04caea33bbd80c651a2613c77a0ab8bbc1135d3beedfba8efc1e2d"}}