{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:WSAH6KRYSZVDFRHBBUF5K3U5LA","short_pith_number":"pith:WSAH6KRY","canonical_record":{"source":{"id":"1504.01853","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-04-08T07:45:51Z","cross_cats_sorted":[],"title_canon_sha256":"212d26a5066dd84da717ca5d38ea92a864d034589c295263cb0e9d9246859316","abstract_canon_sha256":"ff49d915e7d9651f847a141441e38305d711d07f9200b16dc479891fca886deb"},"schema_version":"1.0"},"canonical_sha256":"b4807f2a38966a32c4e10d0bd56e9d5817c5fc4a604230524a515e81db01f7df","source":{"kind":"arxiv","id":"1504.01853","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.01853","created_at":"2026-05-18T02:19:18Z"},{"alias_kind":"arxiv_version","alias_value":"1504.01853v1","created_at":"2026-05-18T02:19:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.01853","created_at":"2026-05-18T02:19:18Z"},{"alias_kind":"pith_short_12","alias_value":"WSAH6KRYSZVD","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_16","alias_value":"WSAH6KRYSZVDFRHB","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_8","alias_value":"WSAH6KRY","created_at":"2026-05-18T12:29:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:WSAH6KRYSZVDFRHBBUF5K3U5LA","target":"record","payload":{"canonical_record":{"source":{"id":"1504.01853","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-04-08T07:45:51Z","cross_cats_sorted":[],"title_canon_sha256":"212d26a5066dd84da717ca5d38ea92a864d034589c295263cb0e9d9246859316","abstract_canon_sha256":"ff49d915e7d9651f847a141441e38305d711d07f9200b16dc479891fca886deb"},"schema_version":"1.0"},"canonical_sha256":"b4807f2a38966a32c4e10d0bd56e9d5817c5fc4a604230524a515e81db01f7df","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:19:18.033215Z","signature_b64":"x1nzaDe0xaNXtJjvgZtSomVHcxuXHl1eCC9Mr1LkK1hS4Va3ksy34XFYZq7DJMZZXjWESWiseMX3Ya04yNddDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b4807f2a38966a32c4e10d0bd56e9d5817c5fc4a604230524a515e81db01f7df","last_reissued_at":"2026-05-18T02:19:18.032485Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:19:18.032485Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1504.01853","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":"2026-05-18T02:19:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rDydhLgDHblnxuHh6L1amsvyX7pF33eBhETJXg7gAam4qI3foAPNhHcAqxX7/LZmY0GRBlSI6nVSFMShgXWSCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T08:34:07.724737Z"},"content_sha256":"add16b6030acbfdcbe6a2a0dd7ef8d31bcc12b8ea71da31b9d291e15c5542080","schema_version":"1.0","event_id":"sha256:add16b6030acbfdcbe6a2a0dd7ef8d31bcc12b8ea71da31b9d291e15c5542080"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:WSAH6KRYSZVDFRHBBUF5K3U5LA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Optimizing thermoelectric performances of low-temperature SnSe compounds by electronic structure design","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Aijun Hong, Haixia Zhu, Junming Liu, Lin Li, Zhibo Yan, Zhifeng Ren","submitted_at":"2015-04-08T07:45:51Z","abstract_excerpt":"Recently SnSe compound was reported to have a peak thermoelectric figure-5 of-merit (ZT) of 2.62 at 923 K, but the ZT values at temperatures below 750 K are relatively low. In this work, the electronic structures of SnSe are calculated using the density functional theory, and the electro- and thermo-transport properties upon varying chemical potential (or carrier density) are evaluated by the semi-classic Boltzmann transport theory, showing that the calculated ZT values along the a10 and c-axes below 675 K are in agreement with reported values, but that along the b-axis can be as high as 2.57 "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.01853","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":"2026-05-18T02:19:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"er7xs2lO4V/T3dt1RrT93YoXys9ga+HJYfBN/Jf5INvNv90dsBi6TkHG2PdPG19fZVvRtWLXjlYih0xc8eBsDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T08:34:07.725499Z"},"content_sha256":"47b8817fc666b570939466cd426defc999e694c9f8c33ba61f20604b8bc7b519","schema_version":"1.0","event_id":"sha256:47b8817fc666b570939466cd426defc999e694c9f8c33ba61f20604b8bc7b519"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WSAH6KRYSZVDFRHBBUF5K3U5LA/bundle.json","state_url":"https://pith.science/pith/WSAH6KRYSZVDFRHBBUF5K3U5LA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WSAH6KRYSZVDFRHBBUF5K3U5LA/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":"2026-06-11T08:34:07Z","links":{"resolver":"https://pith.science/pith/WSAH6KRYSZVDFRHBBUF5K3U5LA","bundle":"https://pith.science/pith/WSAH6KRYSZVDFRHBBUF5K3U5LA/bundle.json","state":"https://pith.science/pith/WSAH6KRYSZVDFRHBBUF5K3U5LA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WSAH6KRYSZVDFRHBBUF5K3U5LA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:WSAH6KRYSZVDFRHBBUF5K3U5LA","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":"ff49d915e7d9651f847a141441e38305d711d07f9200b16dc479891fca886deb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-04-08T07:45:51Z","title_canon_sha256":"212d26a5066dd84da717ca5d38ea92a864d034589c295263cb0e9d9246859316"},"schema_version":"1.0","source":{"id":"1504.01853","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.01853","created_at":"2026-05-18T02:19:18Z"},{"alias_kind":"arxiv_version","alias_value":"1504.01853v1","created_at":"2026-05-18T02:19:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.01853","created_at":"2026-05-18T02:19:18Z"},{"alias_kind":"pith_short_12","alias_value":"WSAH6KRYSZVD","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_16","alias_value":"WSAH6KRYSZVDFRHB","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_8","alias_value":"WSAH6KRY","created_at":"2026-05-18T12:29:47Z"}],"graph_snapshots":[{"event_id":"sha256:47b8817fc666b570939466cd426defc999e694c9f8c33ba61f20604b8bc7b519","target":"graph","created_at":"2026-05-18T02:19:18Z","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":"Recently SnSe compound was reported to have a peak thermoelectric figure-5 of-merit (ZT) of 2.62 at 923 K, but the ZT values at temperatures below 750 K are relatively low. In this work, the electronic structures of SnSe are calculated using the density functional theory, and the electro- and thermo-transport properties upon varying chemical potential (or carrier density) are evaluated by the semi-classic Boltzmann transport theory, showing that the calculated ZT values along the a10 and c-axes below 675 K are in agreement with reported values, but that along the b-axis can be as high as 2.57 ","authors_text":"Aijun Hong, Haixia Zhu, Junming Liu, Lin Li, Zhibo Yan, Zhifeng Ren","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-04-08T07:45:51Z","title":"Optimizing thermoelectric performances of low-temperature SnSe compounds by electronic structure design"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.01853","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:add16b6030acbfdcbe6a2a0dd7ef8d31bcc12b8ea71da31b9d291e15c5542080","target":"record","created_at":"2026-05-18T02:19:18Z","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":"ff49d915e7d9651f847a141441e38305d711d07f9200b16dc479891fca886deb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-04-08T07:45:51Z","title_canon_sha256":"212d26a5066dd84da717ca5d38ea92a864d034589c295263cb0e9d9246859316"},"schema_version":"1.0","source":{"id":"1504.01853","kind":"arxiv","version":1}},"canonical_sha256":"b4807f2a38966a32c4e10d0bd56e9d5817c5fc4a604230524a515e81db01f7df","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b4807f2a38966a32c4e10d0bd56e9d5817c5fc4a604230524a515e81db01f7df","first_computed_at":"2026-05-18T02:19:18.032485Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:19:18.032485Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"x1nzaDe0xaNXtJjvgZtSomVHcxuXHl1eCC9Mr1LkK1hS4Va3ksy34XFYZq7DJMZZXjWESWiseMX3Ya04yNddDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:19:18.033215Z","signed_message":"canonical_sha256_bytes"},"source_id":"1504.01853","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:add16b6030acbfdcbe6a2a0dd7ef8d31bcc12b8ea71da31b9d291e15c5542080","sha256:47b8817fc666b570939466cd426defc999e694c9f8c33ba61f20604b8bc7b519"],"state_sha256":"55b1b43ad9a7ce966b30203f06e2340b8e6f3049f83480a1b250ea1bc4809434"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iOzDL79Mt7ZWjaeKXejkiw7mWBzzWPRDCATyqtYUU7VbIFMShXZPPaXEoTPizsAvuvgq4VwfoU72zIRsBfyzBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T08:34:07.729528Z","bundle_sha256":"3aa3f7eb506719432dd8b073bc2d3a17bb3ad00feb07e138331cd1eda20062a5"}}