{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:JXHWB5AMZNR324I6YN6ABMLDYA","short_pith_number":"pith:JXHWB5AM","canonical_record":{"source":{"id":"1206.2094","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-06-11T04:25:08Z","cross_cats_sorted":[],"title_canon_sha256":"5c52731143ef4b66f4a4c3a6dc0d6d9c59ad8a3c710924f641e15ace06d9c3a9","abstract_canon_sha256":"9e16480f57fdc977a62da4bba5403a263d8320e0bae16e3e59106ac920b95375"},"schema_version":"1.0"},"canonical_sha256":"4dcf60f40ccb63bd711ec37c00b163c039647d0a5dcf1ff762239362e5495e22","source":{"kind":"arxiv","id":"1206.2094","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.2094","created_at":"2026-05-18T03:39:16Z"},{"alias_kind":"arxiv_version","alias_value":"1206.2094v1","created_at":"2026-05-18T03:39:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.2094","created_at":"2026-05-18T03:39:16Z"},{"alias_kind":"pith_short_12","alias_value":"JXHWB5AMZNR3","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_16","alias_value":"JXHWB5AMZNR324I6","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_8","alias_value":"JXHWB5AM","created_at":"2026-05-18T12:27:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:JXHWB5AMZNR324I6YN6ABMLDYA","target":"record","payload":{"canonical_record":{"source":{"id":"1206.2094","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-06-11T04:25:08Z","cross_cats_sorted":[],"title_canon_sha256":"5c52731143ef4b66f4a4c3a6dc0d6d9c59ad8a3c710924f641e15ace06d9c3a9","abstract_canon_sha256":"9e16480f57fdc977a62da4bba5403a263d8320e0bae16e3e59106ac920b95375"},"schema_version":"1.0"},"canonical_sha256":"4dcf60f40ccb63bd711ec37c00b163c039647d0a5dcf1ff762239362e5495e22","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:39:16.404808Z","signature_b64":"VCIQDqdTU0keQl0USpmzrY8E4lLvkPHEpRpmh9VKaqQRkEbsznBRxSFRW7hbsu91NChUtEpO0/SljDQ8oh+hDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4dcf60f40ccb63bd711ec37c00b163c039647d0a5dcf1ff762239362e5495e22","last_reissued_at":"2026-05-18T03:39:16.404253Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:39:16.404253Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1206.2094","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":"2026-05-18T03:39:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gEfL442lpn3Q/VM43/zjWe6u68ueMsjuOnLNXfM511MJXkCOz5U5GZ3IAiLyxom+ldv9wt9Hc9UC/b0q0eGVBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T02:09:54.325715Z"},"content_sha256":"b8b5c4041752c72ce2626d64e73e45d98fe9fe90e49825d776ae9066d2592566","schema_version":"1.0","event_id":"sha256:b8b5c4041752c72ce2626d64e73e45d98fe9fe90e49825d776ae9066d2592566"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:JXHWB5AMZNR324I6YN6ABMLDYA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Thermal Stability of Thermoelectric Materials via In Situ Resistivity Measurements","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"C. P. Opeil, K. C. Lukas, Q. Jie, W. S. Liu, Z. F. Ren","submitted_at":"2012-06-11T04:25:08Z","abstract_excerpt":"An experimental setup for determining the electrical resistivity of several types of thermoelectric materials over the temperature range 20 < T < 550 C is described in detail. One resistivity measurement during temperature cycling is also explained for Cu0.01Bi2Te2.7Se0.3 while a second measurement is made on Yb0.35Co4Sb12 as a function of time at 400 C. Both measurements confirm that the materials are thermally stable for the temperature range and time period measured. Measurements made during temperature cycling show an irreversible decrease in the electrical resistivity of Cu0.01Bi2Te2.7Se0"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.2094","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":"2026-05-18T03:39:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DwhG44E9XP9dvWYtv2Ts7S9k7u6lbK4Yx3T92vOBfEi41kVioMa60c9YBu3sgdvhLA521KkAG5ak+K+BhtOyDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T02:09:54.326367Z"},"content_sha256":"c331c7d93ffddf1f7f3d703210cf444db1e8a906cbb6a1e1681fb37b5b619d4f","schema_version":"1.0","event_id":"sha256:c331c7d93ffddf1f7f3d703210cf444db1e8a906cbb6a1e1681fb37b5b619d4f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JXHWB5AMZNR324I6YN6ABMLDYA/bundle.json","state_url":"https://pith.science/pith/JXHWB5AMZNR324I6YN6ABMLDYA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JXHWB5AMZNR324I6YN6ABMLDYA/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":"2026-05-31T02:09:54Z","links":{"resolver":"https://pith.science/pith/JXHWB5AMZNR324I6YN6ABMLDYA","bundle":"https://pith.science/pith/JXHWB5AMZNR324I6YN6ABMLDYA/bundle.json","state":"https://pith.science/pith/JXHWB5AMZNR324I6YN6ABMLDYA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JXHWB5AMZNR324I6YN6ABMLDYA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:JXHWB5AMZNR324I6YN6ABMLDYA","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":"9e16480f57fdc977a62da4bba5403a263d8320e0bae16e3e59106ac920b95375","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-06-11T04:25:08Z","title_canon_sha256":"5c52731143ef4b66f4a4c3a6dc0d6d9c59ad8a3c710924f641e15ace06d9c3a9"},"schema_version":"1.0","source":{"id":"1206.2094","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.2094","created_at":"2026-05-18T03:39:16Z"},{"alias_kind":"arxiv_version","alias_value":"1206.2094v1","created_at":"2026-05-18T03:39:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.2094","created_at":"2026-05-18T03:39:16Z"},{"alias_kind":"pith_short_12","alias_value":"JXHWB5AMZNR3","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_16","alias_value":"JXHWB5AMZNR324I6","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_8","alias_value":"JXHWB5AM","created_at":"2026-05-18T12:27:11Z"}],"graph_snapshots":[{"event_id":"sha256:c331c7d93ffddf1f7f3d703210cf444db1e8a906cbb6a1e1681fb37b5b619d4f","target":"graph","created_at":"2026-05-18T03:39:16Z","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":"An experimental setup for determining the electrical resistivity of several types of thermoelectric materials over the temperature range 20 < T < 550 C is described in detail. One resistivity measurement during temperature cycling is also explained for Cu0.01Bi2Te2.7Se0.3 while a second measurement is made on Yb0.35Co4Sb12 as a function of time at 400 C. Both measurements confirm that the materials are thermally stable for the temperature range and time period measured. Measurements made during temperature cycling show an irreversible decrease in the electrical resistivity of Cu0.01Bi2Te2.7Se0","authors_text":"C. P. Opeil, K. C. Lukas, Q. Jie, W. S. Liu, Z. F. Ren","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-06-11T04:25:08Z","title":"Thermal Stability of Thermoelectric Materials via In Situ Resistivity Measurements"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.2094","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:b8b5c4041752c72ce2626d64e73e45d98fe9fe90e49825d776ae9066d2592566","target":"record","created_at":"2026-05-18T03:39:16Z","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":"9e16480f57fdc977a62da4bba5403a263d8320e0bae16e3e59106ac920b95375","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-06-11T04:25:08Z","title_canon_sha256":"5c52731143ef4b66f4a4c3a6dc0d6d9c59ad8a3c710924f641e15ace06d9c3a9"},"schema_version":"1.0","source":{"id":"1206.2094","kind":"arxiv","version":1}},"canonical_sha256":"4dcf60f40ccb63bd711ec37c00b163c039647d0a5dcf1ff762239362e5495e22","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4dcf60f40ccb63bd711ec37c00b163c039647d0a5dcf1ff762239362e5495e22","first_computed_at":"2026-05-18T03:39:16.404253Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:39:16.404253Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VCIQDqdTU0keQl0USpmzrY8E4lLvkPHEpRpmh9VKaqQRkEbsznBRxSFRW7hbsu91NChUtEpO0/SljDQ8oh+hDw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:39:16.404808Z","signed_message":"canonical_sha256_bytes"},"source_id":"1206.2094","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b8b5c4041752c72ce2626d64e73e45d98fe9fe90e49825d776ae9066d2592566","sha256:c331c7d93ffddf1f7f3d703210cf444db1e8a906cbb6a1e1681fb37b5b619d4f"],"state_sha256":"37e051654149e8759c73b5e8d3c14b791f898d0809856d0a01a5ea7600af1be9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vAtqt8s08UkI9ZD8hRivZ9o7Pi5siQ6YjXVZJPrIW6Aa45esWkjkaGAICHnFfLnOKoNTSIrUChE1gSYQXaAZAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T02:09:54.329629Z","bundle_sha256":"dd91f81e3440e8092c425d0274e3cb36910af8a934c9ad837b6279554bd9cb13"}}