{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:CEHLGVP6FDLSTQGP243MKCSF4J","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":"7f1cf89f31af362e4c3c97fd81b25d49abfa7ec7fdbbc6381f75e9c580813891","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2017-05-27T08:56:45Z","title_canon_sha256":"cf475428d5374504b11c96edbc0579a138e35715710968e93771a606ee359917"},"schema_version":"1.0","source":{"id":"1705.09788","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.09788","created_at":"2026-05-18T00:25:18Z"},{"alias_kind":"arxiv_version","alias_value":"1705.09788v1","created_at":"2026-05-18T00:25:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.09788","created_at":"2026-05-18T00:25:18Z"},{"alias_kind":"pith_short_12","alias_value":"CEHLGVP6FDLS","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_16","alias_value":"CEHLGVP6FDLSTQGP","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_8","alias_value":"CEHLGVP6","created_at":"2026-05-18T12:31:10Z"}],"graph_snapshots":[{"event_id":"sha256:ed1d7e9a5143c647a6d988647f06cd093e27f044c86c8d27b5b6781dd3072934","target":"graph","created_at":"2026-05-18T00:25:18Z","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":"The high upper critical field and low anisotropy of iron-based superconductors make them being particularly attractive for high-field applications. However, the current carrying capability needs to be enhanced by overcoming the weak-link effect between misaligned grains inside wire and tape conductors. Here we demonstrate a high transport critical current density (Jc) reaching 1.5x10^5 A/cm^2 (Ic = 437 A) at 4.2 K and 10 T in Ba0.6K0.4Fe2As2 (Ba-122) tapes prepared by a combination of conventional powder-in-tube method and optimized hot-press technique. The transport Jc measured at 4.2 K under","authors_text":"Chao Yao, Chiheng Dong, Dongliang Wang, He Huang, Jianqi Li, Satoshi Awaji, Xianping Zhang, Yanwei Ma, Zhe Cheng","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2017-05-27T08:56:45Z","title":"High transport current superconductivity in powder-in-tube Ba0.6K0.4Fe2As2 tapes at 27 tesla"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.09788","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":"sha256:01e2730b8e5cbb7e73a5b84028bbc62e26733f43efac6cfb05927f743ddd2c3e","target":"record","created_at":"2026-05-18T00:25:18Z","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":"7f1cf89f31af362e4c3c97fd81b25d49abfa7ec7fdbbc6381f75e9c580813891","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2017-05-27T08:56:45Z","title_canon_sha256":"cf475428d5374504b11c96edbc0579a138e35715710968e93771a606ee359917"},"schema_version":"1.0","source":{"id":"1705.09788","kind":"arxiv","version":1}},"canonical_sha256":"110eb355fe28d729c0cfd736c50a45e244d4964e118c57843c28e04cf9033903","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"110eb355fe28d729c0cfd736c50a45e244d4964e118c57843c28e04cf9033903","first_computed_at":"2026-05-18T00:25:18.474646Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:25:18.474646Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ytJ1lWsldmZtv4SXf6c46Zhi2GBpom/nh03rvekoZXMCdke4B5x9e+3NqDOdH4YEuMMZg3AHkgMQQzrLOfzOCA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:25:18.475389Z","signed_message":"canonical_sha256_bytes"},"source_id":"1705.09788","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:01e2730b8e5cbb7e73a5b84028bbc62e26733f43efac6cfb05927f743ddd2c3e","sha256:ed1d7e9a5143c647a6d988647f06cd093e27f044c86c8d27b5b6781dd3072934"],"state_sha256":"2506b900e1cd39cd982a308065892182c6a810c0abd17342e862f1e1f354aebf"}