{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:LTYZ7ZDPRQ3IBVM3WJYRIEKSS7","short_pith_number":"pith:LTYZ7ZDP","canonical_record":{"source":{"id":"2001.10191","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-01-28T06:51:55Z","cross_cats_sorted":[],"title_canon_sha256":"8e30e5c87e447778e25c3a99cba7124f342771c7c3f7ec4105c3ab2d8593d677","abstract_canon_sha256":"d93e830f91ab12b60bc9b1b5e6054c8d2aa87b172f50d3decea1d8366aea9784"},"schema_version":"1.0"},"canonical_sha256":"5cf19fe46f8c3680d59bb27114115297fd6707a97474de824ae28559a24ab6f9","source":{"kind":"arxiv","id":"2001.10191","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2001.10191","created_at":"2026-07-05T01:55:46Z"},{"alias_kind":"arxiv_version","alias_value":"2001.10191v1","created_at":"2026-07-05T01:55:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2001.10191","created_at":"2026-07-05T01:55:46Z"},{"alias_kind":"pith_short_12","alias_value":"LTYZ7ZDPRQ3I","created_at":"2026-07-05T01:55:46Z"},{"alias_kind":"pith_short_16","alias_value":"LTYZ7ZDPRQ3IBVM3","created_at":"2026-07-05T01:55:46Z"},{"alias_kind":"pith_short_8","alias_value":"LTYZ7ZDP","created_at":"2026-07-05T01:55:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:LTYZ7ZDPRQ3IBVM3WJYRIEKSS7","target":"record","payload":{"canonical_record":{"source":{"id":"2001.10191","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-01-28T06:51:55Z","cross_cats_sorted":[],"title_canon_sha256":"8e30e5c87e447778e25c3a99cba7124f342771c7c3f7ec4105c3ab2d8593d677","abstract_canon_sha256":"d93e830f91ab12b60bc9b1b5e6054c8d2aa87b172f50d3decea1d8366aea9784"},"schema_version":"1.0"},"canonical_sha256":"5cf19fe46f8c3680d59bb27114115297fd6707a97474de824ae28559a24ab6f9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:55:46.184638Z","signature_b64":"R5xtI1TU8CA/1lzn481ruYZm2jcmdKYmy+kM7ylaCK77HsRQJqf+WNYyi+AlKxFrs1G09qF9yG5nRN5VYcSkDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5cf19fe46f8c3680d59bb27114115297fd6707a97474de824ae28559a24ab6f9","last_reissued_at":"2026-07-05T01:55:46.184299Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:55:46.184299Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2001.10191","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":"2026-07-05T01:55:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ApPWZDkjwLuB0h+fYN8S2fyfK/4TDvtAdThcIJMydXs60YebTzb9Xuf9yBC0ewJsGeF+o2/taPpn7CgV7BzMBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T23:27:24.469654Z"},"content_sha256":"9f9a1f620e5d914c4e14871c9fc43a62c682684a3582d86c95401d7df55cd1ab","schema_version":"1.0","event_id":"sha256:9f9a1f620e5d914c4e14871c9fc43a62c682684a3582d86c95401d7df55cd1ab"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:LTYZ7ZDPRQ3IBVM3WJYRIEKSS7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"First-principles calculation of electronic density of states and Seebeck coefficient in transition-metal-doped Si-Ge alloys","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Akira Masago, Hikari Shinya, Kazunori Sato, Ryo Yamada, Tetsuya Fukushima, Tien Quang Nguyen","submitted_at":"2020-01-28T06:51:55Z","abstract_excerpt":"High $ZT$ value and large Seebeck coefficient have been reported in the nanostructured Fe-doped Si-Ge alloys. In this work, the large Seebeck coefficient in Fe-doped Si-Ge systems is qualitatively reproduced from the computed electronic density of states, where a hybrid functional, HSE06, is used for an exchange-correlation functional, as well as a special quasi-random structure (SQS) for a disordered atomic configuration. Furthermore, by replacing Fe with other transition metals, such as Mn, Co, Ni, Cu, Zn, and Au, a better dopant that produces a larger Seebeck coefficient in Si-Ge alloy syst"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2001.10191","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2001.10191/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T01:55:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VGJVa1VA3zNR6TdQhriOKq58CfAXvHJrW7+UFruSq02UWfQikgIllU2tr3YBHPIjK7uVpfGZTlMGG+LPpkYQAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T23:27:24.470040Z"},"content_sha256":"6489d694adca5ec72a1cedeb26fcd553cf5c8682e54a45768063d09f6cc232d5","schema_version":"1.0","event_id":"sha256:6489d694adca5ec72a1cedeb26fcd553cf5c8682e54a45768063d09f6cc232d5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LTYZ7ZDPRQ3IBVM3WJYRIEKSS7/bundle.json","state_url":"https://pith.science/pith/LTYZ7ZDPRQ3IBVM3WJYRIEKSS7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LTYZ7ZDPRQ3IBVM3WJYRIEKSS7/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":"2026-07-06T23:27:24Z","links":{"resolver":"https://pith.science/pith/LTYZ7ZDPRQ3IBVM3WJYRIEKSS7","bundle":"https://pith.science/pith/LTYZ7ZDPRQ3IBVM3WJYRIEKSS7/bundle.json","state":"https://pith.science/pith/LTYZ7ZDPRQ3IBVM3WJYRIEKSS7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LTYZ7ZDPRQ3IBVM3WJYRIEKSS7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:LTYZ7ZDPRQ3IBVM3WJYRIEKSS7","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":"d93e830f91ab12b60bc9b1b5e6054c8d2aa87b172f50d3decea1d8366aea9784","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-01-28T06:51:55Z","title_canon_sha256":"8e30e5c87e447778e25c3a99cba7124f342771c7c3f7ec4105c3ab2d8593d677"},"schema_version":"1.0","source":{"id":"2001.10191","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2001.10191","created_at":"2026-07-05T01:55:46Z"},{"alias_kind":"arxiv_version","alias_value":"2001.10191v1","created_at":"2026-07-05T01:55:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2001.10191","created_at":"2026-07-05T01:55:46Z"},{"alias_kind":"pith_short_12","alias_value":"LTYZ7ZDPRQ3I","created_at":"2026-07-05T01:55:46Z"},{"alias_kind":"pith_short_16","alias_value":"LTYZ7ZDPRQ3IBVM3","created_at":"2026-07-05T01:55:46Z"},{"alias_kind":"pith_short_8","alias_value":"LTYZ7ZDP","created_at":"2026-07-05T01:55:46Z"}],"graph_snapshots":[{"event_id":"sha256:6489d694adca5ec72a1cedeb26fcd553cf5c8682e54a45768063d09f6cc232d5","target":"graph","created_at":"2026-07-05T01:55:46Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2001.10191/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"High $ZT$ value and large Seebeck coefficient have been reported in the nanostructured Fe-doped Si-Ge alloys. In this work, the large Seebeck coefficient in Fe-doped Si-Ge systems is qualitatively reproduced from the computed electronic density of states, where a hybrid functional, HSE06, is used for an exchange-correlation functional, as well as a special quasi-random structure (SQS) for a disordered atomic configuration. Furthermore, by replacing Fe with other transition metals, such as Mn, Co, Ni, Cu, Zn, and Au, a better dopant that produces a larger Seebeck coefficient in Si-Ge alloy syst","authors_text":"Akira Masago, Hikari Shinya, Kazunori Sato, Ryo Yamada, Tetsuya Fukushima, Tien Quang Nguyen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-01-28T06:51:55Z","title":"First-principles calculation of electronic density of states and Seebeck coefficient in transition-metal-doped Si-Ge alloys"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2001.10191","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":"sha256:9f9a1f620e5d914c4e14871c9fc43a62c682684a3582d86c95401d7df55cd1ab","target":"record","created_at":"2026-07-05T01:55:46Z","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":"d93e830f91ab12b60bc9b1b5e6054c8d2aa87b172f50d3decea1d8366aea9784","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-01-28T06:51:55Z","title_canon_sha256":"8e30e5c87e447778e25c3a99cba7124f342771c7c3f7ec4105c3ab2d8593d677"},"schema_version":"1.0","source":{"id":"2001.10191","kind":"arxiv","version":1}},"canonical_sha256":"5cf19fe46f8c3680d59bb27114115297fd6707a97474de824ae28559a24ab6f9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5cf19fe46f8c3680d59bb27114115297fd6707a97474de824ae28559a24ab6f9","first_computed_at":"2026-07-05T01:55:46.184299Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:55:46.184299Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"R5xtI1TU8CA/1lzn481ruYZm2jcmdKYmy+kM7ylaCK77HsRQJqf+WNYyi+AlKxFrs1G09qF9yG5nRN5VYcSkDg==","signature_status":"signed_v1","signed_at":"2026-07-05T01:55:46.184638Z","signed_message":"canonical_sha256_bytes"},"source_id":"2001.10191","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9f9a1f620e5d914c4e14871c9fc43a62c682684a3582d86c95401d7df55cd1ab","sha256:6489d694adca5ec72a1cedeb26fcd553cf5c8682e54a45768063d09f6cc232d5"],"state_sha256":"d25a412545c2ecc4ec6294e0d7e77d4bee15a2e256a7aeb10db97efe9f43692c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"afo2wY3RQpkPHpNXk032Tl/up0mZElM8CEiSVOKywo3eUJdfkKHC7ifa1Fp31U/LElQh5SpGLA5+B3LMT79nCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T23:27:24.472349Z","bundle_sha256":"54ff3b69ede512681eddc6a079f64301d892aec8c19ab222f7bbaa1d7c1800aa"}}