{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:YTEXHRRTLIUGIZJZRK7UL3LWZU","short_pith_number":"pith:YTEXHRRT","canonical_record":{"source":{"id":"1204.4426","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-04-19T18:16:58Z","cross_cats_sorted":[],"title_canon_sha256":"795c26a6570108c03f3ea09dbccf74787882dbe3b97a0ca402571230d2fe5cc6","abstract_canon_sha256":"ea27f1bb9f09aef7a554219a5acfb43c178514e73ccd62ccb0e916c2c0937c98"},"schema_version":"1.0"},"canonical_sha256":"c4c973c6335a286465398abf45ed76cd0ad37efa0706eadf059807a31e37935a","source":{"kind":"arxiv","id":"1204.4426","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.4426","created_at":"2026-05-18T03:41:12Z"},{"alias_kind":"arxiv_version","alias_value":"1204.4426v3","created_at":"2026-05-18T03:41:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.4426","created_at":"2026-05-18T03:41:12Z"},{"alias_kind":"pith_short_12","alias_value":"YTEXHRRTLIUG","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_16","alias_value":"YTEXHRRTLIUGIZJZ","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_8","alias_value":"YTEXHRRT","created_at":"2026-05-18T12:27:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:YTEXHRRTLIUGIZJZRK7UL3LWZU","target":"record","payload":{"canonical_record":{"source":{"id":"1204.4426","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-04-19T18:16:58Z","cross_cats_sorted":[],"title_canon_sha256":"795c26a6570108c03f3ea09dbccf74787882dbe3b97a0ca402571230d2fe5cc6","abstract_canon_sha256":"ea27f1bb9f09aef7a554219a5acfb43c178514e73ccd62ccb0e916c2c0937c98"},"schema_version":"1.0"},"canonical_sha256":"c4c973c6335a286465398abf45ed76cd0ad37efa0706eadf059807a31e37935a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:41:12.486813Z","signature_b64":"i8JLUNmHzrAhxbEjebM1cWFYPCUHLJ8YHUtvuK2fZWKG839S7WpgV1Utk4BBEk3ofPwqXnCxzBjtGS9ek+x8Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c4c973c6335a286465398abf45ed76cd0ad37efa0706eadf059807a31e37935a","last_reissued_at":"2026-05-18T03:41:12.486274Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:41:12.486274Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1204.4426","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:41:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RE6Z6Q2dO3Xe+mVpao6zmOShMqwtDvym32sdsgTP7Cvv/n+VKEFnD7ihNrOLjhiD6E1wygUit+iGNV/psyp+AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T06:34:44.602743Z"},"content_sha256":"370abf2f4cf23a5019c6fb810fd499deadef3e16cb4b43be37e0a1d740fb801b","schema_version":"1.0","event_id":"sha256:370abf2f4cf23a5019c6fb810fd499deadef3e16cb4b43be37e0a1d740fb801b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:YTEXHRRTLIUGIZJZRK7UL3LWZU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"High intergrain critical current density in fine-grain (Ba0.6K0.4)Fe2As2 wires and bulks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"A. A. Polyanskii, C. Tarantini, D. C. Larbalestier, E. E. Hellstrom, F. Kametani, J. D. Weiss, J. Jiang","submitted_at":"2012-04-19T18:16:58Z","abstract_excerpt":"The K- and Co-doped BaFe2As2 (Ba-122) superconducting compounds are potentially useful for applications because they have upper critical fields (Hc2) of well over 50 T, Hc2 anisotropy Gamma < 2, and thin film critical current densities exceeding 1 MAcm-2 at 4.2 K. However, thin-film bicrystals of Co-doped Ba-122 clearly exhibit weak link behavior for [001] tilt misorientations of more than about 5 degrees, suggesting that textured substrates would be needed for applications, as in the cuprates. Here we present a contrary and very much more positive result in which untextured polycrystalline (B"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.4426","kind":"arxiv","version":3},"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":"2026-05-18T03:41:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ffHtQeVemrIovPKLM/tslvXOq8Qap3n1DOEVprPlor47km0DIBV7tIgTTxBje+2qVmdcN1eIceas4pMHpYgmDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T06:34:44.603474Z"},"content_sha256":"966b19712bb258c4618290cf9b121639e7de7e6774af5acd0b323f9e6e86a0ea","schema_version":"1.0","event_id":"sha256:966b19712bb258c4618290cf9b121639e7de7e6774af5acd0b323f9e6e86a0ea"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YTEXHRRTLIUGIZJZRK7UL3LWZU/bundle.json","state_url":"https://pith.science/pith/YTEXHRRTLIUGIZJZRK7UL3LWZU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YTEXHRRTLIUGIZJZRK7UL3LWZU/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":"2026-05-26T06:34:44Z","links":{"resolver":"https://pith.science/pith/YTEXHRRTLIUGIZJZRK7UL3LWZU","bundle":"https://pith.science/pith/YTEXHRRTLIUGIZJZRK7UL3LWZU/bundle.json","state":"https://pith.science/pith/YTEXHRRTLIUGIZJZRK7UL3LWZU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YTEXHRRTLIUGIZJZRK7UL3LWZU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:YTEXHRRTLIUGIZJZRK7UL3LWZU","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":"ea27f1bb9f09aef7a554219a5acfb43c178514e73ccd62ccb0e916c2c0937c98","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-04-19T18:16:58Z","title_canon_sha256":"795c26a6570108c03f3ea09dbccf74787882dbe3b97a0ca402571230d2fe5cc6"},"schema_version":"1.0","source":{"id":"1204.4426","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.4426","created_at":"2026-05-18T03:41:12Z"},{"alias_kind":"arxiv_version","alias_value":"1204.4426v3","created_at":"2026-05-18T03:41:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.4426","created_at":"2026-05-18T03:41:12Z"},{"alias_kind":"pith_short_12","alias_value":"YTEXHRRTLIUG","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_16","alias_value":"YTEXHRRTLIUGIZJZ","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_8","alias_value":"YTEXHRRT","created_at":"2026-05-18T12:27:30Z"}],"graph_snapshots":[{"event_id":"sha256:966b19712bb258c4618290cf9b121639e7de7e6774af5acd0b323f9e6e86a0ea","target":"graph","created_at":"2026-05-18T03:41:12Z","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 K- and Co-doped BaFe2As2 (Ba-122) superconducting compounds are potentially useful for applications because they have upper critical fields (Hc2) of well over 50 T, Hc2 anisotropy Gamma < 2, and thin film critical current densities exceeding 1 MAcm-2 at 4.2 K. However, thin-film bicrystals of Co-doped Ba-122 clearly exhibit weak link behavior for [001] tilt misorientations of more than about 5 degrees, suggesting that textured substrates would be needed for applications, as in the cuprates. Here we present a contrary and very much more positive result in which untextured polycrystalline (B","authors_text":"A. A. Polyanskii, C. Tarantini, D. C. Larbalestier, E. E. Hellstrom, F. Kametani, J. D. Weiss, J. Jiang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-04-19T18:16:58Z","title":"High intergrain critical current density in fine-grain (Ba0.6K0.4)Fe2As2 wires and bulks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.4426","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":"sha256:370abf2f4cf23a5019c6fb810fd499deadef3e16cb4b43be37e0a1d740fb801b","target":"record","created_at":"2026-05-18T03:41:12Z","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":"ea27f1bb9f09aef7a554219a5acfb43c178514e73ccd62ccb0e916c2c0937c98","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-04-19T18:16:58Z","title_canon_sha256":"795c26a6570108c03f3ea09dbccf74787882dbe3b97a0ca402571230d2fe5cc6"},"schema_version":"1.0","source":{"id":"1204.4426","kind":"arxiv","version":3}},"canonical_sha256":"c4c973c6335a286465398abf45ed76cd0ad37efa0706eadf059807a31e37935a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c4c973c6335a286465398abf45ed76cd0ad37efa0706eadf059807a31e37935a","first_computed_at":"2026-05-18T03:41:12.486274Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:41:12.486274Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"i8JLUNmHzrAhxbEjebM1cWFYPCUHLJ8YHUtvuK2fZWKG839S7WpgV1Utk4BBEk3ofPwqXnCxzBjtGS9ek+x8Bg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:41:12.486813Z","signed_message":"canonical_sha256_bytes"},"source_id":"1204.4426","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:370abf2f4cf23a5019c6fb810fd499deadef3e16cb4b43be37e0a1d740fb801b","sha256:966b19712bb258c4618290cf9b121639e7de7e6774af5acd0b323f9e6e86a0ea"],"state_sha256":"d2a39b50c47177a097d4e4397df6435a881355504c1ec835054d4b8befa017eb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yxCF8EJf5wU+LEht5PodPoyQ1s0uoeVMjCHgSuu9hiGrxrHnGIWthqUIAt47bFNOok9xHu7vokOzbLOoUFlpAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T06:34:44.607477Z","bundle_sha256":"b6a3e97c1acc327fcf5185737ea8df51b5b94ee4b98596d4d1cf3a61e3a29b7c"}}