{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:2MBEO7NFLQ6DK2GSISIJFYVXG4","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":"ff016073efd35c61dc01945fd27445367a007736a958b65e12a6f7eb2634e65b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-03-18T11:29:06Z","title_canon_sha256":"8597c06bad59769cd4c37efa9f33b46b4e2f09f81623b8c77e173e4c57376e2a"},"schema_version":"1.0","source":{"id":"1103.3602","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1103.3602","created_at":"2026-05-18T02:02:49Z"},{"alias_kind":"arxiv_version","alias_value":"1103.3602v3","created_at":"2026-05-18T02:02:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.3602","created_at":"2026-05-18T02:02:49Z"},{"alias_kind":"pith_short_12","alias_value":"2MBEO7NFLQ6D","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_16","alias_value":"2MBEO7NFLQ6DK2GS","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_8","alias_value":"2MBEO7NF","created_at":"2026-05-18T12:26:18Z"}],"graph_snapshots":[{"event_id":"sha256:8127412b1758e75b2ff8307182a2959cdac6791c395394b699a5ba79b8e9d110","target":"graph","created_at":"2026-05-18T02:02:49Z","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 report successful fabrication of multi- and mono-core FeSe wires with high transport critical current density Jc using a simple in-situ Fe-diffusion process based on the powder-in-tube (Fe-diffusion PIT) method. The seven-core wire showed transport Jc of as high as 1027 A/cm2 at 4.2 K. The superconducting transition temperature Tczero was observed at 10.5 K in the wire-samples, which is about 2 K higher than that of bulk FeSe. The Fe-diffusion PIT method is suitable for fabricating multi-core wires of the binary FeSe superconductors with superior properties.","authors_text":"Hiroaki Kumakura, Keita Deguchi, Takahide Yamaguchi, Takayoshi Tanaka, Toshinori Ozaki, Yasuna Kawasaki, Yoshihiko Takano, Yoshikazu Mizuguchi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-03-18T11:29:06Z","title":"Fabrication of binary FeSe superconducting wires by novel diffusion process"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.3602","kind":"arxiv","version":3},"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":"sha256:4d23000d4395f60c2eab34e313ddd2281de19dad09863bc1b0acb82e829b483a","target":"record","created_at":"2026-05-18T02:02:49Z","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":"ff016073efd35c61dc01945fd27445367a007736a958b65e12a6f7eb2634e65b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-03-18T11:29:06Z","title_canon_sha256":"8597c06bad59769cd4c37efa9f33b46b4e2f09f81623b8c77e173e4c57376e2a"},"schema_version":"1.0","source":{"id":"1103.3602","kind":"arxiv","version":3}},"canonical_sha256":"d302477da55c3c3568d2449092e2b737242ed694cf715c19cf0b2f1c665be26b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d302477da55c3c3568d2449092e2b737242ed694cf715c19cf0b2f1c665be26b","first_computed_at":"2026-05-18T02:02:49.929373Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:02:49.929373Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"v5lsNgdPx7lbGlrnjDcWca6xDgldq91oTMVQ3wWcXGfdRZFP9cJ43/yy1cV364hwWMek9a5x+AsGXO6yZh9QBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:02:49.930005Z","signed_message":"canonical_sha256_bytes"},"source_id":"1103.3602","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4d23000d4395f60c2eab34e313ddd2281de19dad09863bc1b0acb82e829b483a","sha256:8127412b1758e75b2ff8307182a2959cdac6791c395394b699a5ba79b8e9d110"],"state_sha256":"e0c8d61ec766544fe1dbcdc585803a7f469c9428fe28ed5331da27c21c9d67d7"}