{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:AEN7NQQHCZHRI43SXU25PPOZQ2","short_pith_number":"pith:AEN7NQQH","canonical_record":{"source":{"id":"1304.2526","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-04-09T10:50:39Z","cross_cats_sorted":[],"title_canon_sha256":"e0af4bc2ad0e33230094b77ae3fc27ab162bde45af88485855811da477bac9f0","abstract_canon_sha256":"6cac2624fba74982320a5e73b2ca23b8ebbef54c9d1e4f82591cca16ebd9671d"},"schema_version":"1.0"},"canonical_sha256":"011bf6c207164f147372bd35d7bdd986a7fcd6a0be9731942b077b046bc31f98","source":{"kind":"arxiv","id":"1304.2526","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1304.2526","created_at":"2026-05-18T03:14:40Z"},{"alias_kind":"arxiv_version","alias_value":"1304.2526v1","created_at":"2026-05-18T03:14:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1304.2526","created_at":"2026-05-18T03:14:40Z"},{"alias_kind":"pith_short_12","alias_value":"AEN7NQQHCZHR","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_16","alias_value":"AEN7NQQHCZHRI43S","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_8","alias_value":"AEN7NQQH","created_at":"2026-05-18T12:27:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:AEN7NQQHCZHRI43SXU25PPOZQ2","target":"record","payload":{"canonical_record":{"source":{"id":"1304.2526","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-04-09T10:50:39Z","cross_cats_sorted":[],"title_canon_sha256":"e0af4bc2ad0e33230094b77ae3fc27ab162bde45af88485855811da477bac9f0","abstract_canon_sha256":"6cac2624fba74982320a5e73b2ca23b8ebbef54c9d1e4f82591cca16ebd9671d"},"schema_version":"1.0"},"canonical_sha256":"011bf6c207164f147372bd35d7bdd986a7fcd6a0be9731942b077b046bc31f98","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:14:40.806600Z","signature_b64":"7pW66sES+9oJ2ZooEv0sSOXSYWdvUkXARRmBYwdL3VOW8ZRQiJPHi02L6jH31xzkTUva5uzaDhfr5rDDEdM7BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"011bf6c207164f147372bd35d7bdd986a7fcd6a0be9731942b077b046bc31f98","last_reissued_at":"2026-05-18T03:14:40.805760Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:14:40.805760Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1304.2526","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":"2026-05-18T03:14:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nDCwnQkUuTSQUGmEsy5GIMEYazhSt2CCyUCQW1LR5mgRIhR5CuxC/a/AQgvlLQYmHoNDRZAVFYrXJwWHAluiAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T22:12:32.308469Z"},"content_sha256":"75c29780c49d5c80aac7da52eb51e00699869608fd9cdb209c14dd00c4f2144d","schema_version":"1.0","event_id":"sha256:75c29780c49d5c80aac7da52eb51e00699869608fd9cdb209c14dd00c4f2144d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:AEN7NQQHCZHRI43SXU25PPOZQ2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Pudding-mold type band in a potential thermoelectric material CuAlO$_2$ : comparison with Na$_x$CoO$_2$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Hidetomo Usui, Hirofumi Sakakibara, Kazuhiko Kuroki, Kouta Mori","submitted_at":"2013-04-09T10:50:39Z","abstract_excerpt":"A potential thermoelectric material CuAlO$_2$ is theoretically studied. We first construct a model Hamiltonian of CuAlO$_2$ based on the first principles band calculation, and calculate the Seebeck coefficient. Then, we compare the model with that of a well-known thermoelectric material Na$_x$CoO$_2$, and discuss the similarities and the differences. It is found that the two materials are similar from an electronic structure viewpoint in that they have a peculiar pudding-mold type band shape, which is advantageous as thermoelectric materials. There are however some differences, and we analyze "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1304.2526","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":"2026-05-18T03:14:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"imNViY9wN7wGSrj+tuldRjCvRVblOHkk77aMUbRJvgkNkJKQadtLy8unon5Xh1bIGRsSJdT2Ckxygp3LS22EBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T22:12:32.309085Z"},"content_sha256":"fcbb06c1f2ca474194f75b9b28cbc27b8e6f23efb4e43557215a24f1c4cb9c71","schema_version":"1.0","event_id":"sha256:fcbb06c1f2ca474194f75b9b28cbc27b8e6f23efb4e43557215a24f1c4cb9c71"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AEN7NQQHCZHRI43SXU25PPOZQ2/bundle.json","state_url":"https://pith.science/pith/AEN7NQQHCZHRI43SXU25PPOZQ2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AEN7NQQHCZHRI43SXU25PPOZQ2/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":"2026-06-07T22:12:32Z","links":{"resolver":"https://pith.science/pith/AEN7NQQHCZHRI43SXU25PPOZQ2","bundle":"https://pith.science/pith/AEN7NQQHCZHRI43SXU25PPOZQ2/bundle.json","state":"https://pith.science/pith/AEN7NQQHCZHRI43SXU25PPOZQ2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AEN7NQQHCZHRI43SXU25PPOZQ2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:AEN7NQQHCZHRI43SXU25PPOZQ2","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":"6cac2624fba74982320a5e73b2ca23b8ebbef54c9d1e4f82591cca16ebd9671d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-04-09T10:50:39Z","title_canon_sha256":"e0af4bc2ad0e33230094b77ae3fc27ab162bde45af88485855811da477bac9f0"},"schema_version":"1.0","source":{"id":"1304.2526","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1304.2526","created_at":"2026-05-18T03:14:40Z"},{"alias_kind":"arxiv_version","alias_value":"1304.2526v1","created_at":"2026-05-18T03:14:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1304.2526","created_at":"2026-05-18T03:14:40Z"},{"alias_kind":"pith_short_12","alias_value":"AEN7NQQHCZHR","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_16","alias_value":"AEN7NQQHCZHRI43S","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_8","alias_value":"AEN7NQQH","created_at":"2026-05-18T12:27:38Z"}],"graph_snapshots":[{"event_id":"sha256:fcbb06c1f2ca474194f75b9b28cbc27b8e6f23efb4e43557215a24f1c4cb9c71","target":"graph","created_at":"2026-05-18T03:14:40Z","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 potential thermoelectric material CuAlO$_2$ is theoretically studied. We first construct a model Hamiltonian of CuAlO$_2$ based on the first principles band calculation, and calculate the Seebeck coefficient. Then, we compare the model with that of a well-known thermoelectric material Na$_x$CoO$_2$, and discuss the similarities and the differences. It is found that the two materials are similar from an electronic structure viewpoint in that they have a peculiar pudding-mold type band shape, which is advantageous as thermoelectric materials. There are however some differences, and we analyze ","authors_text":"Hidetomo Usui, Hirofumi Sakakibara, Kazuhiko Kuroki, Kouta Mori","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-04-09T10:50:39Z","title":"Pudding-mold type band in a potential thermoelectric material CuAlO$_2$ : comparison with Na$_x$CoO$_2$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1304.2526","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":"sha256:75c29780c49d5c80aac7da52eb51e00699869608fd9cdb209c14dd00c4f2144d","target":"record","created_at":"2026-05-18T03:14:40Z","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":"6cac2624fba74982320a5e73b2ca23b8ebbef54c9d1e4f82591cca16ebd9671d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-04-09T10:50:39Z","title_canon_sha256":"e0af4bc2ad0e33230094b77ae3fc27ab162bde45af88485855811da477bac9f0"},"schema_version":"1.0","source":{"id":"1304.2526","kind":"arxiv","version":1}},"canonical_sha256":"011bf6c207164f147372bd35d7bdd986a7fcd6a0be9731942b077b046bc31f98","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"011bf6c207164f147372bd35d7bdd986a7fcd6a0be9731942b077b046bc31f98","first_computed_at":"2026-05-18T03:14:40.805760Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:14:40.805760Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7pW66sES+9oJ2ZooEv0sSOXSYWdvUkXARRmBYwdL3VOW8ZRQiJPHi02L6jH31xzkTUva5uzaDhfr5rDDEdM7BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:14:40.806600Z","signed_message":"canonical_sha256_bytes"},"source_id":"1304.2526","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:75c29780c49d5c80aac7da52eb51e00699869608fd9cdb209c14dd00c4f2144d","sha256:fcbb06c1f2ca474194f75b9b28cbc27b8e6f23efb4e43557215a24f1c4cb9c71"],"state_sha256":"67b57dda94e83280e31c73bee556b1a25318ddf82b0ccc4658ac8631ea4a3a62"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wbDeTKLOgqiPF39rEEStEC+pn3S5bkb64Z7rmu3pS3fkPynUlUBpSdQz6+EvyucmC67E3rbuBGZNfkM/DJPMDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T22:12:32.312846Z","bundle_sha256":"d24cd6a647b35ca007bef04558623d21cb05ad4e71afcdf9508b22f0a5825a52"}}