{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:ZJ3M2BNIPQT7OGX7DS52PPN4CP","short_pith_number":"pith:ZJ3M2BNI","canonical_record":{"source":{"id":"1305.1269","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2013-05-06T18:22:28Z","cross_cats_sorted":[],"title_canon_sha256":"9cb91e1a462104046359aeed86e92f65ff17409bdbd44264a1474e3825ead859","abstract_canon_sha256":"79bbfe06a25055e016f64acf0073cbfac5108c4e2aceb4f58078e1e272dbe774"},"schema_version":"1.0"},"canonical_sha256":"ca76cd05a87c27f71aff1cbba7bdbc13fc4fa3f6c84478f5a8a56da528aa8309","source":{"kind":"arxiv","id":"1305.1269","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.1269","created_at":"2026-05-18T03:26:23Z"},{"alias_kind":"arxiv_version","alias_value":"1305.1269v1","created_at":"2026-05-18T03:26:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.1269","created_at":"2026-05-18T03:26:23Z"},{"alias_kind":"pith_short_12","alias_value":"ZJ3M2BNIPQT7","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_16","alias_value":"ZJ3M2BNIPQT7OGX7","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_8","alias_value":"ZJ3M2BNI","created_at":"2026-05-18T12:28:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:ZJ3M2BNIPQT7OGX7DS52PPN4CP","target":"record","payload":{"canonical_record":{"source":{"id":"1305.1269","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2013-05-06T18:22:28Z","cross_cats_sorted":[],"title_canon_sha256":"9cb91e1a462104046359aeed86e92f65ff17409bdbd44264a1474e3825ead859","abstract_canon_sha256":"79bbfe06a25055e016f64acf0073cbfac5108c4e2aceb4f58078e1e272dbe774"},"schema_version":"1.0"},"canonical_sha256":"ca76cd05a87c27f71aff1cbba7bdbc13fc4fa3f6c84478f5a8a56da528aa8309","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:26:23.639213Z","signature_b64":"ZiEHu35E7r/kJZP/csF7oDqck9iuPbqK6xoIU3J3H9kcOqTZ47DnveitQd6gzMBBvxhwLFQ6MeBMpNmoypINAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ca76cd05a87c27f71aff1cbba7bdbc13fc4fa3f6c84478f5a8a56da528aa8309","last_reissued_at":"2026-05-18T03:26:23.638491Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:26:23.638491Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1305.1269","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":"2026-05-18T03:26:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iXtW9pb3/5bYvGPRbzyauRU5HlO/s68nGMROFmz7rnnX39p3YiYE0rdtLxRiOdgBObQj8okjjcOkuwD70LHPCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T01:37:48.930472Z"},"content_sha256":"b0b7f4360da5a8bc1927650073c61df789fccb6961ed08640ef584680ab5cb2c","schema_version":"1.0","event_id":"sha256:b0b7f4360da5a8bc1927650073c61df789fccb6961ed08640ef584680ab5cb2c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:ZJ3M2BNIPQT7OGX7DS52PPN4CP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A transformative superconducting magnet technology for fields well above 30 T using isotropic round wire multifilament Bi2Sr2CaCu2O8-x conductor","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"C. Scheuerlein, D. C. Larbalestier, E. E. Hellstrom, F. Kametani, J. Jiang, M. Dalban-Canassy, M. Matras, N. C. Craig, P. Chen, P. J. Lee, U. P. Trociewitz","submitted_at":"2013-05-06T18:22:28Z","abstract_excerpt":"We report here that magnetic fields of almost 34 T, far above the upper 24 T limit of Nb3Sn, can be generated using a multifilament round wire conductor made of the high temperature cuprate superconductor Bi2Sr2CaCu2O8-x (Bi-2212). A remarkable attribute of this Bi-2212 conductor is that it does not exhibit macroscopic texture and contains many high angle grain boundaries but nevertheless attains very high superconducting critical current densities Jc of 2500 A/mm2 at 20 T and 4.2 K. This Bi-2212 conductor does not possess the extreme texture that high Jc coated conductors of REBa2Cu3O7-x (REB"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.1269","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":"2026-05-18T03:26:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oU3VBXzRPicQN5+OUazP5UD2xX5QTGk5oquBqILfR3+q/8NBJ+RZeHCZHPUGFov0nnrROsNBA+OJPa4dX89tBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T01:37:48.930919Z"},"content_sha256":"158895868f77e0d595f190353685d0514ddcbb11fd35f90110ef4792b05b1f33","schema_version":"1.0","event_id":"sha256:158895868f77e0d595f190353685d0514ddcbb11fd35f90110ef4792b05b1f33"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZJ3M2BNIPQT7OGX7DS52PPN4CP/bundle.json","state_url":"https://pith.science/pith/ZJ3M2BNIPQT7OGX7DS52PPN4CP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZJ3M2BNIPQT7OGX7DS52PPN4CP/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":"2026-05-26T01:37:48Z","links":{"resolver":"https://pith.science/pith/ZJ3M2BNIPQT7OGX7DS52PPN4CP","bundle":"https://pith.science/pith/ZJ3M2BNIPQT7OGX7DS52PPN4CP/bundle.json","state":"https://pith.science/pith/ZJ3M2BNIPQT7OGX7DS52PPN4CP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZJ3M2BNIPQT7OGX7DS52PPN4CP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:ZJ3M2BNIPQT7OGX7DS52PPN4CP","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":"79bbfe06a25055e016f64acf0073cbfac5108c4e2aceb4f58078e1e272dbe774","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2013-05-06T18:22:28Z","title_canon_sha256":"9cb91e1a462104046359aeed86e92f65ff17409bdbd44264a1474e3825ead859"},"schema_version":"1.0","source":{"id":"1305.1269","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.1269","created_at":"2026-05-18T03:26:23Z"},{"alias_kind":"arxiv_version","alias_value":"1305.1269v1","created_at":"2026-05-18T03:26:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.1269","created_at":"2026-05-18T03:26:23Z"},{"alias_kind":"pith_short_12","alias_value":"ZJ3M2BNIPQT7","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_16","alias_value":"ZJ3M2BNIPQT7OGX7","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_8","alias_value":"ZJ3M2BNI","created_at":"2026-05-18T12:28:09Z"}],"graph_snapshots":[{"event_id":"sha256:158895868f77e0d595f190353685d0514ddcbb11fd35f90110ef4792b05b1f33","target":"graph","created_at":"2026-05-18T03:26:23Z","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 here that magnetic fields of almost 34 T, far above the upper 24 T limit of Nb3Sn, can be generated using a multifilament round wire conductor made of the high temperature cuprate superconductor Bi2Sr2CaCu2O8-x (Bi-2212). A remarkable attribute of this Bi-2212 conductor is that it does not exhibit macroscopic texture and contains many high angle grain boundaries but nevertheless attains very high superconducting critical current densities Jc of 2500 A/mm2 at 20 T and 4.2 K. This Bi-2212 conductor does not possess the extreme texture that high Jc coated conductors of REBa2Cu3O7-x (REB","authors_text":"C. Scheuerlein, D. C. Larbalestier, E. E. Hellstrom, F. Kametani, J. Jiang, M. Dalban-Canassy, M. Matras, N. C. Craig, P. Chen, P. J. Lee, U. P. Trociewitz","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2013-05-06T18:22:28Z","title":"A transformative superconducting magnet technology for fields well above 30 T using isotropic round wire multifilament Bi2Sr2CaCu2O8-x conductor"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.1269","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:b0b7f4360da5a8bc1927650073c61df789fccb6961ed08640ef584680ab5cb2c","target":"record","created_at":"2026-05-18T03:26:23Z","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":"79bbfe06a25055e016f64acf0073cbfac5108c4e2aceb4f58078e1e272dbe774","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2013-05-06T18:22:28Z","title_canon_sha256":"9cb91e1a462104046359aeed86e92f65ff17409bdbd44264a1474e3825ead859"},"schema_version":"1.0","source":{"id":"1305.1269","kind":"arxiv","version":1}},"canonical_sha256":"ca76cd05a87c27f71aff1cbba7bdbc13fc4fa3f6c84478f5a8a56da528aa8309","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ca76cd05a87c27f71aff1cbba7bdbc13fc4fa3f6c84478f5a8a56da528aa8309","first_computed_at":"2026-05-18T03:26:23.638491Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:26:23.638491Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZiEHu35E7r/kJZP/csF7oDqck9iuPbqK6xoIU3J3H9kcOqTZ47DnveitQd6gzMBBvxhwLFQ6MeBMpNmoypINAw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:26:23.639213Z","signed_message":"canonical_sha256_bytes"},"source_id":"1305.1269","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b0b7f4360da5a8bc1927650073c61df789fccb6961ed08640ef584680ab5cb2c","sha256:158895868f77e0d595f190353685d0514ddcbb11fd35f90110ef4792b05b1f33"],"state_sha256":"ddba823052ea2c0c639a7d600d7375151ddf6567d761355b33412399859b06ad"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5V/39OtxoL61YTBd3/PCQ4jM6lZ8cmnR/jyY3PAM71whA8mksb5Upubq36kEfZPrlfkvxjYEhD7o140jZTLDAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T01:37:48.933489Z","bundle_sha256":"5130d896ef3f947cc1e1986ef34d64ec64b7b7ce8bf9f19d116250ea6f2b9695"}}