{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:AMMQE5C6XTXHARJRN72IXN3FIH","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":"7e3d5340f10db160afd30688be0651f6f83d50f3e31dbed0c5d569f4b6ee7214","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-05-12T14:07:05Z","title_canon_sha256":"72686223e85b5daa037be8076a6e37d839e7e3a10b32e4e91497ef579a20504c"},"schema_version":"1.0","source":{"id":"1405.2764","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.2764","created_at":"2026-05-18T02:28:05Z"},{"alias_kind":"arxiv_version","alias_value":"1405.2764v1","created_at":"2026-05-18T02:28:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.2764","created_at":"2026-05-18T02:28:05Z"},{"alias_kind":"pith_short_12","alias_value":"AMMQE5C6XTXH","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_16","alias_value":"AMMQE5C6XTXHARJR","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_8","alias_value":"AMMQE5C6","created_at":"2026-05-18T12:28:19Z"}],"graph_snapshots":[{"event_id":"sha256:f5526400f88865840e12c81e984976bd0a1635a66263e95629dcd0f8ca3cf9c8","target":"graph","created_at":"2026-05-18T02:28:05Z","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":"We have investigated the transport and magnetic properties of group-IV ferromagnetic semiconductor Ge1-xFex films (x = 1.0 and 2.3 %) with and without boron doping grown by molecular beam epitaxy (MBE). In order to accurately measure the transport properties of 100-nm-thick Ge1-xFex films, (001)-oriented silicon-on-insulator (SOI) wafers with an ultra-thin Si body layer (~5 nm) were used as substrates. Owing to the low Fe content, the hole concentration and mobility in the Ge1-xFex films were exactly estimated by Hall measurements because the anomalous Hall effect in these films was found to b","authors_text":"Masaaki Tanaka, Ryosho Nakane, Ryota Akiyama, Yoshisuke Ban, Yuki Wakabayashi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-05-12T14:07:05Z","title":"Carrier transport properties of the Group-IV ferromagnetic semiconductor Ge1-xFex with and without boron doping"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.2764","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:b2d70bf27def75097661052a2c7932c1956f856ef799dbadcf43f6cfaffb4646","target":"record","created_at":"2026-05-18T02:28:05Z","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":"7e3d5340f10db160afd30688be0651f6f83d50f3e31dbed0c5d569f4b6ee7214","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-05-12T14:07:05Z","title_canon_sha256":"72686223e85b5daa037be8076a6e37d839e7e3a10b32e4e91497ef579a20504c"},"schema_version":"1.0","source":{"id":"1405.2764","kind":"arxiv","version":1}},"canonical_sha256":"031902745ebcee7045316ff48bb76541ee40643abe42966631355a7c28db18bd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"031902745ebcee7045316ff48bb76541ee40643abe42966631355a7c28db18bd","first_computed_at":"2026-05-18T02:28:05.303374Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:28:05.303374Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SAif1cFzVOLTPiRJJrXWg9wLD0XDiiV/DQHPwTeHKNjLgfamAceUyIaPAFygE9Ix1srQlY9S+0blgDpM2jG+CQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:28:05.303759Z","signed_message":"canonical_sha256_bytes"},"source_id":"1405.2764","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b2d70bf27def75097661052a2c7932c1956f856ef799dbadcf43f6cfaffb4646","sha256:f5526400f88865840e12c81e984976bd0a1635a66263e95629dcd0f8ca3cf9c8"],"state_sha256":"01b2aeb5618825d9dce16d9954713feeb6d40d96db8893a0511cc9ab874b72ee"}