{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:3HVWUBDB6LHR2WJ7AA7Q5M5I46","short_pith_number":"pith:3HVWUBDB","canonical_record":{"source":{"id":"1704.07660","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2017-04-25T12:26:44Z","cross_cats_sorted":[],"title_canon_sha256":"d25763ce5c3c82953670623e8d2e75501c48c2daac7e9468b70d4ca66b3522ec","abstract_canon_sha256":"8ad9a2f50b4499088a4d01eb219460d2bee6c45c3d6c63bf1af560d9961883ae"},"schema_version":"1.0"},"canonical_sha256":"d9eb6a0461f2cf1d593f003f0eb3a8e7b3edfd6036c65060f95ae857c773edbe","source":{"kind":"arxiv","id":"1704.07660","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.07660","created_at":"2026-05-18T00:41:20Z"},{"alias_kind":"arxiv_version","alias_value":"1704.07660v1","created_at":"2026-05-18T00:41:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.07660","created_at":"2026-05-18T00:41:20Z"},{"alias_kind":"pith_short_12","alias_value":"3HVWUBDB6LHR","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_16","alias_value":"3HVWUBDB6LHR2WJ7","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_8","alias_value":"3HVWUBDB","created_at":"2026-05-18T12:30:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:3HVWUBDB6LHR2WJ7AA7Q5M5I46","target":"record","payload":{"canonical_record":{"source":{"id":"1704.07660","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2017-04-25T12:26:44Z","cross_cats_sorted":[],"title_canon_sha256":"d25763ce5c3c82953670623e8d2e75501c48c2daac7e9468b70d4ca66b3522ec","abstract_canon_sha256":"8ad9a2f50b4499088a4d01eb219460d2bee6c45c3d6c63bf1af560d9961883ae"},"schema_version":"1.0"},"canonical_sha256":"d9eb6a0461f2cf1d593f003f0eb3a8e7b3edfd6036c65060f95ae857c773edbe","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:41:20.530375Z","signature_b64":"Vx8XTg8LPed3GCjpoSHli/3XEpGzUOVUZzxg/PSLP/vT4Jsq093KpevGh5xEIbtMVj2jkoJizKz1tGP6TjU9Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d9eb6a0461f2cf1d593f003f0eb3a8e7b3edfd6036c65060f95ae857c773edbe","last_reissued_at":"2026-05-18T00:41:20.529771Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:41:20.529771Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1704.07660","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":"2026-05-18T00:41:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xrXStuoD+vCtpCTpwLXLVg/1+IVxfClIa5xmgBPvH1KaTDsJB4BU1cMczejUgwXVaYw2lEEB17BP41eEyHCiCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T03:21:05.149964Z"},"content_sha256":"3351903760473ca0a5ad14e02f6625a69c023423c92c8b90efd604e0a837fe5c","schema_version":"1.0","event_id":"sha256:3351903760473ca0a5ad14e02f6625a69c023423c92c8b90efd604e0a837fe5c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:3HVWUBDB6LHR2WJ7AA7Q5M5I46","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Perovskite Substrates Boost the Thermopower of Cobaltate Thin Films at High Temperatures","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"B. Keimer, C. Dietl, F. Wrobel, G. Gregori, H.-U. Habermeier, J. Maier, P. Wochner, P. Yordanov, R. Felici, S. Ibrahimkutty","submitted_at":"2017-04-25T12:26:44Z","abstract_excerpt":"Transition metal oxides are promising candidates for thermoelectric applications, because they are stable at high temperature and because strong electronic correlations can generate large Seebeck coefficients, but their thermoelectric power factors are limited by the low electrical conductivity. We report transport measurements on Ca3Co4O9 films on various perovskite substrates and show that reversible incorporation of oxygen into SrTiO3 and LaAlO3 substrates activates a parallel conduction channel for p-type carriers, greatly enhancing the thermoelectric performance of the film-substrate syst"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.07660","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":"2026-05-18T00:41:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rPIcGNBU4bfjVYm3Ep9AEY4EuDAJzOO9ZN2TltGJ2MiKnpIqnmQSxEqSjBxHdKXtOHWWV08fXIZGe4ytKcPYDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T03:21:05.150622Z"},"content_sha256":"2bc94f563d27bfa44f7bba979b84e6733bf6765b1d3359daa5e80e3d1e052368","schema_version":"1.0","event_id":"sha256:2bc94f563d27bfa44f7bba979b84e6733bf6765b1d3359daa5e80e3d1e052368"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3HVWUBDB6LHR2WJ7AA7Q5M5I46/bundle.json","state_url":"https://pith.science/pith/3HVWUBDB6LHR2WJ7AA7Q5M5I46/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3HVWUBDB6LHR2WJ7AA7Q5M5I46/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":"2026-05-25T03:21:05Z","links":{"resolver":"https://pith.science/pith/3HVWUBDB6LHR2WJ7AA7Q5M5I46","bundle":"https://pith.science/pith/3HVWUBDB6LHR2WJ7AA7Q5M5I46/bundle.json","state":"https://pith.science/pith/3HVWUBDB6LHR2WJ7AA7Q5M5I46/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3HVWUBDB6LHR2WJ7AA7Q5M5I46/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:3HVWUBDB6LHR2WJ7AA7Q5M5I46","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":"8ad9a2f50b4499088a4d01eb219460d2bee6c45c3d6c63bf1af560d9961883ae","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2017-04-25T12:26:44Z","title_canon_sha256":"d25763ce5c3c82953670623e8d2e75501c48c2daac7e9468b70d4ca66b3522ec"},"schema_version":"1.0","source":{"id":"1704.07660","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.07660","created_at":"2026-05-18T00:41:20Z"},{"alias_kind":"arxiv_version","alias_value":"1704.07660v1","created_at":"2026-05-18T00:41:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.07660","created_at":"2026-05-18T00:41:20Z"},{"alias_kind":"pith_short_12","alias_value":"3HVWUBDB6LHR","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_16","alias_value":"3HVWUBDB6LHR2WJ7","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_8","alias_value":"3HVWUBDB","created_at":"2026-05-18T12:30:58Z"}],"graph_snapshots":[{"event_id":"sha256:2bc94f563d27bfa44f7bba979b84e6733bf6765b1d3359daa5e80e3d1e052368","target":"graph","created_at":"2026-05-18T00:41:20Z","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":"Transition metal oxides are promising candidates for thermoelectric applications, because they are stable at high temperature and because strong electronic correlations can generate large Seebeck coefficients, but their thermoelectric power factors are limited by the low electrical conductivity. We report transport measurements on Ca3Co4O9 films on various perovskite substrates and show that reversible incorporation of oxygen into SrTiO3 and LaAlO3 substrates activates a parallel conduction channel for p-type carriers, greatly enhancing the thermoelectric performance of the film-substrate syst","authors_text":"B. Keimer, C. Dietl, F. Wrobel, G. Gregori, H.-U. Habermeier, J. Maier, P. Wochner, P. Yordanov, R. Felici, S. Ibrahimkutty","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2017-04-25T12:26:44Z","title":"Perovskite Substrates Boost the Thermopower of Cobaltate Thin Films at High Temperatures"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.07660","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":"sha256:3351903760473ca0a5ad14e02f6625a69c023423c92c8b90efd604e0a837fe5c","target":"record","created_at":"2026-05-18T00:41:20Z","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":"8ad9a2f50b4499088a4d01eb219460d2bee6c45c3d6c63bf1af560d9961883ae","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2017-04-25T12:26:44Z","title_canon_sha256":"d25763ce5c3c82953670623e8d2e75501c48c2daac7e9468b70d4ca66b3522ec"},"schema_version":"1.0","source":{"id":"1704.07660","kind":"arxiv","version":1}},"canonical_sha256":"d9eb6a0461f2cf1d593f003f0eb3a8e7b3edfd6036c65060f95ae857c773edbe","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d9eb6a0461f2cf1d593f003f0eb3a8e7b3edfd6036c65060f95ae857c773edbe","first_computed_at":"2026-05-18T00:41:20.529771Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:41:20.529771Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Vx8XTg8LPed3GCjpoSHli/3XEpGzUOVUZzxg/PSLP/vT4Jsq093KpevGh5xEIbtMVj2jkoJizKz1tGP6TjU9Ag==","signature_status":"signed_v1","signed_at":"2026-05-18T00:41:20.530375Z","signed_message":"canonical_sha256_bytes"},"source_id":"1704.07660","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3351903760473ca0a5ad14e02f6625a69c023423c92c8b90efd604e0a837fe5c","sha256:2bc94f563d27bfa44f7bba979b84e6733bf6765b1d3359daa5e80e3d1e052368"],"state_sha256":"60fca1a19a4afece889b4d6f3e66e4a9455e99af4d04cf8df9cab23a2ab840ba"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8IqTPWiPEEdmZ5gaJsaT6jkqsSzeh/TFaNydA3eNdmrtI7ST5P2ki9LEKx3+2TIV6MzIu5zv2q8CXP1tDFWyAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T03:21:05.154142Z","bundle_sha256":"c839864713e745d9c784ad220776f46f5eb874ac69ee652ce379ef3d0e79aaa9"}}