{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:ZOTFYBZAUICG2TOOIFEGCJSTMG","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":"0c4a4e5896f562cbd7016e076293f2374b640e66deb4b6ad58608ddf1e0d7ace","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-05-17T10:15:49Z","title_canon_sha256":"6b6e9192a34f33da5437fdd867cacc36416d40d52bcc6894e082cf7e3e79db50"},"schema_version":"1.0","source":{"id":"1205.3896","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1205.3896","created_at":"2026-05-18T03:49:47Z"},{"alias_kind":"arxiv_version","alias_value":"1205.3896v2","created_at":"2026-05-18T03:49:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1205.3896","created_at":"2026-05-18T03:49:47Z"},{"alias_kind":"pith_short_12","alias_value":"ZOTFYBZAUICG","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_16","alias_value":"ZOTFYBZAUICG2TOO","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_8","alias_value":"ZOTFYBZA","created_at":"2026-05-18T12:27:30Z"}],"graph_snapshots":[{"event_id":"sha256:717a5471523e8a8e3adfad7d1c6b41b256c3378621ad70c5c2388405fbe4d6d7","target":"graph","created_at":"2026-05-18T03:49:47Z","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":"In our tunneling investigation using Andreev superconductor - normal metal - superconductor contacts on LiFeAs single crystals we observed two reproducible independent subharmonic gap structures at dynamic conductance characteristics. From these results, we can derive the energy of the large superconducting gap $\\Delta_L=(2.5 \\div 3.4)$ meV and the small gap $\\Delta_L=(0.9 \\div 1)$ meV at $T = 4.2$ K for the $T_C^{local} \\approx (10.5 \\div 14)$ K (the contact area critical temperature which deviation causes the variation of $\\Delta_L$). The BCS-ratio is found to be $2\\Delta_L/k_BT_C = (4.6 \\di","authors_text":"A. I. Boltalin, B. Buchner, I. V. Morozov, M. V. Roslova, S. A. Kuzmichev, S. Wurmehl, T. E. Shanygina","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-05-17T10:15:49Z","title":"Investigation of LiFeAs by means of \"Break-junction\" Technique"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1205.3896","kind":"arxiv","version":2},"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:c41a9ec01d589800165eac073f8e58ee0c75825a8b7542c5288bc45f6be0f622","target":"record","created_at":"2026-05-18T03:49:47Z","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":"0c4a4e5896f562cbd7016e076293f2374b640e66deb4b6ad58608ddf1e0d7ace","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-05-17T10:15:49Z","title_canon_sha256":"6b6e9192a34f33da5437fdd867cacc36416d40d52bcc6894e082cf7e3e79db50"},"schema_version":"1.0","source":{"id":"1205.3896","kind":"arxiv","version":2}},"canonical_sha256":"cba65c0720a2046d4dce414861265361bc16fe94eebedb2eab8d0042a8f60893","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cba65c0720a2046d4dce414861265361bc16fe94eebedb2eab8d0042a8f60893","first_computed_at":"2026-05-18T03:49:47.017512Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:49:47.017512Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pljxNNI/cK05eRgHGC4G0w6x0srKmpi0F9q3CAGkpDS/3b1urX1plp/gn703R8ywCk4pAmzYJgdrF6RzL9YoDA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:49:47.018043Z","signed_message":"canonical_sha256_bytes"},"source_id":"1205.3896","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c41a9ec01d589800165eac073f8e58ee0c75825a8b7542c5288bc45f6be0f622","sha256:717a5471523e8a8e3adfad7d1c6b41b256c3378621ad70c5c2388405fbe4d6d7"],"state_sha256":"7009e17da1cc38cdf410ad5d128a3127ea99ca720968efaf13ac5a8564bf1323"}