{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:EWZL3ZRXJAYAJWZQ2J5TXNEXPP","short_pith_number":"pith:EWZL3ZRX","canonical_record":{"source":{"id":"0901.3410","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2009-01-22T05:50:16Z","cross_cats_sorted":[],"title_canon_sha256":"07c3ac1cc7b4fdac7aa6143563fb66fb9e8d5deac0863ae81ec3ed7f08f28e0b","abstract_canon_sha256":"c0b1155cd8048483ad29b7739f4f527c3aa62bec8d588e27b144a9c05afe21b7"},"schema_version":"1.0"},"canonical_sha256":"25b2bde637483004db30d27b3bb4977bf98f3b19ebac092aec353f36b79dd0a6","source":{"kind":"arxiv","id":"0901.3410","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0901.3410","created_at":"2026-05-18T02:14:56Z"},{"alias_kind":"arxiv_version","alias_value":"0901.3410v1","created_at":"2026-05-18T02:14:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0901.3410","created_at":"2026-05-18T02:14:56Z"},{"alias_kind":"pith_short_12","alias_value":"EWZL3ZRXJAYA","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_16","alias_value":"EWZL3ZRXJAYAJWZQ","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_8","alias_value":"EWZL3ZRX","created_at":"2026-05-18T12:25:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:EWZL3ZRXJAYAJWZQ2J5TXNEXPP","target":"record","payload":{"canonical_record":{"source":{"id":"0901.3410","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2009-01-22T05:50:16Z","cross_cats_sorted":[],"title_canon_sha256":"07c3ac1cc7b4fdac7aa6143563fb66fb9e8d5deac0863ae81ec3ed7f08f28e0b","abstract_canon_sha256":"c0b1155cd8048483ad29b7739f4f527c3aa62bec8d588e27b144a9c05afe21b7"},"schema_version":"1.0"},"canonical_sha256":"25b2bde637483004db30d27b3bb4977bf98f3b19ebac092aec353f36b79dd0a6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:14:56.322452Z","signature_b64":"0S7LXlfcSGsLGpAFatgeRtkSFGEs5yyNMeH3rR0J7Z2yLprJn/RqlDAhByu5BtC/VVnsBa1xpqnCyKyuAio/AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"25b2bde637483004db30d27b3bb4977bf98f3b19ebac092aec353f36b79dd0a6","last_reissued_at":"2026-05-18T02:14:56.321865Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:14:56.321865Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0901.3410","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":"2026-05-18T02:14:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zsQ1G/ObsIr2qTS1NVNvmefkpoA3xokfm7myw3mOJqG/Dox5PbdGpLtJg/GkNdY40X6Wn5vfnE/IwDZT3Gz1DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T22:01:32.525697Z"},"content_sha256":"6db47bb9fd2a08797c863331f6b118057af0ac7b987125e27bdbe9dbcd86d487","schema_version":"1.0","event_id":"sha256:6db47bb9fd2a08797c863331f6b118057af0ac7b987125e27bdbe9dbcd86d487"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:EWZL3ZRXJAYAJWZQ2J5TXNEXPP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Superconductivity of powder-in-tube Sr0.6K0.4Fe2As2 wires","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Dongliang Wang, Lei Wang, Xianping Zhang, Yanpeng Qi, Yanwei Ma, Zhaoshun Gao, Zhiyu Zhang","submitted_at":"2009-01-22T05:50:16Z","abstract_excerpt":"Nb-sheathed Sr0.6K0.4Fe2As2 superconducting wires have been fabricated using the powder-in-tube (PIT) method for the first time and the superconducting properties of the wires have been investigated. The transition temperature (Tc) of the Sr0.6K0.4Fe2As2 wires is confirmed to be as high as 35.3 K. Most importantly, Sr0.6K0.4Fe2As2 wires exhibit a very weak Jc-field dependence behavior even the temperature is very close to Tc. The upper critical field Hc2(0) value can exceed 140 T, surpassing those of MgB2 and all the low temperature superconductors. Such high Hc2 and superior Jc-field performa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0901.3410","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":"2026-05-18T02:14:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fDCL6i9cqeV7H40rYZmIzrz7rVgqZJEpNx4DBhbPBPVe5bXewTTSQ+Zuct1WuP8GvGS0Nv+oEJIpBE+iQ5eLCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T22:01:32.526138Z"},"content_sha256":"9db2a5050a3b7b7a2a218e0afbaae37f0d3ae8488a166a7d12cbaef0abc80907","schema_version":"1.0","event_id":"sha256:9db2a5050a3b7b7a2a218e0afbaae37f0d3ae8488a166a7d12cbaef0abc80907"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EWZL3ZRXJAYAJWZQ2J5TXNEXPP/bundle.json","state_url":"https://pith.science/pith/EWZL3ZRXJAYAJWZQ2J5TXNEXPP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EWZL3ZRXJAYAJWZQ2J5TXNEXPP/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":"2026-05-26T22:01:32Z","links":{"resolver":"https://pith.science/pith/EWZL3ZRXJAYAJWZQ2J5TXNEXPP","bundle":"https://pith.science/pith/EWZL3ZRXJAYAJWZQ2J5TXNEXPP/bundle.json","state":"https://pith.science/pith/EWZL3ZRXJAYAJWZQ2J5TXNEXPP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EWZL3ZRXJAYAJWZQ2J5TXNEXPP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:EWZL3ZRXJAYAJWZQ2J5TXNEXPP","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":"c0b1155cd8048483ad29b7739f4f527c3aa62bec8d588e27b144a9c05afe21b7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2009-01-22T05:50:16Z","title_canon_sha256":"07c3ac1cc7b4fdac7aa6143563fb66fb9e8d5deac0863ae81ec3ed7f08f28e0b"},"schema_version":"1.0","source":{"id":"0901.3410","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0901.3410","created_at":"2026-05-18T02:14:56Z"},{"alias_kind":"arxiv_version","alias_value":"0901.3410v1","created_at":"2026-05-18T02:14:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0901.3410","created_at":"2026-05-18T02:14:56Z"},{"alias_kind":"pith_short_12","alias_value":"EWZL3ZRXJAYA","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_16","alias_value":"EWZL3ZRXJAYAJWZQ","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_8","alias_value":"EWZL3ZRX","created_at":"2026-05-18T12:25:59Z"}],"graph_snapshots":[{"event_id":"sha256:9db2a5050a3b7b7a2a218e0afbaae37f0d3ae8488a166a7d12cbaef0abc80907","target":"graph","created_at":"2026-05-18T02:14:56Z","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":"Nb-sheathed Sr0.6K0.4Fe2As2 superconducting wires have been fabricated using the powder-in-tube (PIT) method for the first time and the superconducting properties of the wires have been investigated. The transition temperature (Tc) of the Sr0.6K0.4Fe2As2 wires is confirmed to be as high as 35.3 K. Most importantly, Sr0.6K0.4Fe2As2 wires exhibit a very weak Jc-field dependence behavior even the temperature is very close to Tc. The upper critical field Hc2(0) value can exceed 140 T, surpassing those of MgB2 and all the low temperature superconductors. Such high Hc2 and superior Jc-field performa","authors_text":"Dongliang Wang, Lei Wang, Xianping Zhang, Yanpeng Qi, Yanwei Ma, Zhaoshun Gao, Zhiyu Zhang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2009-01-22T05:50:16Z","title":"Superconductivity of powder-in-tube Sr0.6K0.4Fe2As2 wires"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0901.3410","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":"sha256:6db47bb9fd2a08797c863331f6b118057af0ac7b987125e27bdbe9dbcd86d487","target":"record","created_at":"2026-05-18T02:14:56Z","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":"c0b1155cd8048483ad29b7739f4f527c3aa62bec8d588e27b144a9c05afe21b7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2009-01-22T05:50:16Z","title_canon_sha256":"07c3ac1cc7b4fdac7aa6143563fb66fb9e8d5deac0863ae81ec3ed7f08f28e0b"},"schema_version":"1.0","source":{"id":"0901.3410","kind":"arxiv","version":1}},"canonical_sha256":"25b2bde637483004db30d27b3bb4977bf98f3b19ebac092aec353f36b79dd0a6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"25b2bde637483004db30d27b3bb4977bf98f3b19ebac092aec353f36b79dd0a6","first_computed_at":"2026-05-18T02:14:56.321865Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:14:56.321865Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0S7LXlfcSGsLGpAFatgeRtkSFGEs5yyNMeH3rR0J7Z2yLprJn/RqlDAhByu5BtC/VVnsBa1xpqnCyKyuAio/AQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:14:56.322452Z","signed_message":"canonical_sha256_bytes"},"source_id":"0901.3410","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6db47bb9fd2a08797c863331f6b118057af0ac7b987125e27bdbe9dbcd86d487","sha256:9db2a5050a3b7b7a2a218e0afbaae37f0d3ae8488a166a7d12cbaef0abc80907"],"state_sha256":"442be9808429886d29b207714a8f92513d051ca834b4cad65051086d09001221"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+BZWgz9QTeoKHNTkuyukZwqt+49R2u0MSjFJGS0DOS6VWCwbNWSEf5Ku0StBfGNBrIcvzamqnz/BZqLHYXSrBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T22:01:32.529597Z","bundle_sha256":"900867ece506c047d9efec0746f1a92ec240f470d231747f9704dadf408fa1e0"}}