{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:63A7BBJTZNLYTQFF6TIPQW4XER","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":"3911f27b94c6988ba4d03ca815bd31256e0216dfedb6aae747c62c27d63b0f2a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-09-29T03:46:42Z","title_canon_sha256":"ed60cf48ce44aef44e3a895a25c663542f0d377bd095e3fa7de169d902ad0cbd"},"schema_version":"1.0","source":{"id":"1509.08583","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.08583","created_at":"2026-05-18T01:18:33Z"},{"alias_kind":"arxiv_version","alias_value":"1509.08583v1","created_at":"2026-05-18T01:18:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.08583","created_at":"2026-05-18T01:18:33Z"},{"alias_kind":"pith_short_12","alias_value":"63A7BBJTZNLY","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_16","alias_value":"63A7BBJTZNLYTQFF","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_8","alias_value":"63A7BBJT","created_at":"2026-05-18T12:29:07Z"}],"graph_snapshots":[{"event_id":"sha256:a8106bdf81fb409568f42c977ad60c412ca2b6c5306ac55ae98b6820fee7af6d","target":"graph","created_at":"2026-05-18T01:18:33Z","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":"The lattice thermal conductivity ($\\kappa_{\\rm L}$) of PbTiO$_3$ (PTO) is estimated using a combination of {\\em ab initio} calculations and semiclassical Boltzmann transport equation. The computed $\\kappa_{\\rm L}$ is remarkably low, nearly comparable with the $\\kappa_{\\rm L}$ of good thermoelectric materials such as PbTe. In addition, a semiclassical analysis of the electronic transport quantities is presented, which suggests excellent thermoelectric properties, with a figure of merit $zT$ well over 1 for a wide range of temperature. For thermoelectric applications, the $\\kappa_{\\rm L}$ could ","authors_text":"Anindya Roy","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-09-29T03:46:42Z","title":"Estimates of the thermal conductivity and the thermoelectric properties of PbTiO$_3$ from first principles"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.08583","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":"sha256:16b0b01b4c24d1833c16f91b4ce7133e52e1dfb54b7efd25f6fcc24d1e244a1e","target":"record","created_at":"2026-05-18T01:18:33Z","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":"3911f27b94c6988ba4d03ca815bd31256e0216dfedb6aae747c62c27d63b0f2a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-09-29T03:46:42Z","title_canon_sha256":"ed60cf48ce44aef44e3a895a25c663542f0d377bd095e3fa7de169d902ad0cbd"},"schema_version":"1.0","source":{"id":"1509.08583","kind":"arxiv","version":1}},"canonical_sha256":"f6c1f08533cb5789c0a5f4d0f85b97245f1b49b41a65dbbfb53174e2e071bb5b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f6c1f08533cb5789c0a5f4d0f85b97245f1b49b41a65dbbfb53174e2e071bb5b","first_computed_at":"2026-05-18T01:18:33.011755Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:18:33.011755Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0W2csY1EL90r3e6/ylW+gtq31clXGbxa9RkbY8Mg5I3K4gHjO51eKNYiSAwVPIA0ycyym0BNBhIRKHZ1NE5jBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:18:33.012176Z","signed_message":"canonical_sha256_bytes"},"source_id":"1509.08583","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:16b0b01b4c24d1833c16f91b4ce7133e52e1dfb54b7efd25f6fcc24d1e244a1e","sha256:a8106bdf81fb409568f42c977ad60c412ca2b6c5306ac55ae98b6820fee7af6d"],"state_sha256":"755cd45cff1541d9a0cf02c123c112d9f06be3400bfb92a67a18db0bdb7302b4"}