{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:R6TDQY4TTOHY6FBQ7RBL5MWXSH","short_pith_number":"pith:R6TDQY4T","canonical_record":{"source":{"id":"1810.06414","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-10-15T14:45:44Z","cross_cats_sorted":[],"title_canon_sha256":"5468717bc4f095235ab433757c427409903866ee38f3f471113ae91752fd7049","abstract_canon_sha256":"84d13511d1de2068c2da4b8f5cd67bcb4c610fa540b86669c801e274efbced0b"},"schema_version":"1.0"},"canonical_sha256":"8fa63863939b8f8f1430fc42beb2d791c8d338fd574db293fb54db966fce08eb","source":{"kind":"arxiv","id":"1810.06414","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.06414","created_at":"2026-05-17T23:56:17Z"},{"alias_kind":"arxiv_version","alias_value":"1810.06414v1","created_at":"2026-05-17T23:56:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.06414","created_at":"2026-05-17T23:56:17Z"},{"alias_kind":"pith_short_12","alias_value":"R6TDQY4TTOHY","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_16","alias_value":"R6TDQY4TTOHY6FBQ","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_8","alias_value":"R6TDQY4T","created_at":"2026-05-18T12:32:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:R6TDQY4TTOHY6FBQ7RBL5MWXSH","target":"record","payload":{"canonical_record":{"source":{"id":"1810.06414","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-10-15T14:45:44Z","cross_cats_sorted":[],"title_canon_sha256":"5468717bc4f095235ab433757c427409903866ee38f3f471113ae91752fd7049","abstract_canon_sha256":"84d13511d1de2068c2da4b8f5cd67bcb4c610fa540b86669c801e274efbced0b"},"schema_version":"1.0"},"canonical_sha256":"8fa63863939b8f8f1430fc42beb2d791c8d338fd574db293fb54db966fce08eb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:56:17.506706Z","signature_b64":"VGHNjX2zqoFB50aZDN+LqSNGcZ6Xsl8og6NmN4AKADVWewgWpO8hQLX1d98vaiGHd8ogmy1+9ak0/EHNEQeHDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8fa63863939b8f8f1430fc42beb2d791c8d338fd574db293fb54db966fce08eb","last_reissued_at":"2026-05-17T23:56:17.506123Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:56:17.506123Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.06414","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":"2026-05-17T23:56:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZURgVYmpdyHyEHc+kuV4046GVXVqjZCjI/TOk4Te3KCAKL5QwutKdLRhfaFSONK+PN3B5Np7Zl1SvzboMjFOAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T18:25:54.103895Z"},"content_sha256":"7df6663379c0ad2a0fc2f7989892789e0eabae6efd573855f6d285d573bccdce","schema_version":"1.0","event_id":"sha256:7df6663379c0ad2a0fc2f7989892789e0eabae6efd573855f6d285d573bccdce"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:R6TDQY4TTOHY6FBQ7RBL5MWXSH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Direct visualization of sign reversal s^+- superconducting gaps in FeTe0.55Se0.45","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Enyu Wang, Hai-Hu Wen, Huan Yang, Mingyang Chen, Qiang-Hua Wang, Qiangqiang Gu, Qingkun Tang, Xiaoyu Chen, Xiyu Zhu, Zengyi Du","submitted_at":"2018-10-15T14:45:44Z","abstract_excerpt":"In many unconventional superconductors, the pairing of electrons is driven by the repulsive interaction, which leads to the sign reversal of superconducting gaps along the Fermi surfaces (FS) or between them. However, to measure this sign change is not easy and straightforward. It is known that, in superconductors with sign reversal gaps, non-magnetic impurities can break Cooper pairs leading to the quasiparticle density of states in the superconducting state. The standing waves of these quasiparticles will interfere each other leading to the quasiparticle interference (QPI) pattern which carr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.06414","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":"2026-05-17T23:56:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"N7yoY8bpTtz2eSEMtNBvbwpu++DUxRkDFbcF6CcJLPGa/aZlBieoCIAdguGxHy1Jf9ksocNtU0yg2Ba5sirRBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T18:25:54.104236Z"},"content_sha256":"e49bb6f020deaf04972f69a7bbbe21c1aeec8ba157ab0b22daaa1dd2cab1ff06","schema_version":"1.0","event_id":"sha256:e49bb6f020deaf04972f69a7bbbe21c1aeec8ba157ab0b22daaa1dd2cab1ff06"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/R6TDQY4TTOHY6FBQ7RBL5MWXSH/bundle.json","state_url":"https://pith.science/pith/R6TDQY4TTOHY6FBQ7RBL5MWXSH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/R6TDQY4TTOHY6FBQ7RBL5MWXSH/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":"2026-06-04T18:25:54Z","links":{"resolver":"https://pith.science/pith/R6TDQY4TTOHY6FBQ7RBL5MWXSH","bundle":"https://pith.science/pith/R6TDQY4TTOHY6FBQ7RBL5MWXSH/bundle.json","state":"https://pith.science/pith/R6TDQY4TTOHY6FBQ7RBL5MWXSH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/R6TDQY4TTOHY6FBQ7RBL5MWXSH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:R6TDQY4TTOHY6FBQ7RBL5MWXSH","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":"84d13511d1de2068c2da4b8f5cd67bcb4c610fa540b86669c801e274efbced0b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-10-15T14:45:44Z","title_canon_sha256":"5468717bc4f095235ab433757c427409903866ee38f3f471113ae91752fd7049"},"schema_version":"1.0","source":{"id":"1810.06414","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.06414","created_at":"2026-05-17T23:56:17Z"},{"alias_kind":"arxiv_version","alias_value":"1810.06414v1","created_at":"2026-05-17T23:56:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.06414","created_at":"2026-05-17T23:56:17Z"},{"alias_kind":"pith_short_12","alias_value":"R6TDQY4TTOHY","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_16","alias_value":"R6TDQY4TTOHY6FBQ","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_8","alias_value":"R6TDQY4T","created_at":"2026-05-18T12:32:50Z"}],"graph_snapshots":[{"event_id":"sha256:e49bb6f020deaf04972f69a7bbbe21c1aeec8ba157ab0b22daaa1dd2cab1ff06","target":"graph","created_at":"2026-05-17T23:56:17Z","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 many unconventional superconductors, the pairing of electrons is driven by the repulsive interaction, which leads to the sign reversal of superconducting gaps along the Fermi surfaces (FS) or between them. However, to measure this sign change is not easy and straightforward. It is known that, in superconductors with sign reversal gaps, non-magnetic impurities can break Cooper pairs leading to the quasiparticle density of states in the superconducting state. The standing waves of these quasiparticles will interfere each other leading to the quasiparticle interference (QPI) pattern which carr","authors_text":"Enyu Wang, Hai-Hu Wen, Huan Yang, Mingyang Chen, Qiang-Hua Wang, Qiangqiang Gu, Qingkun Tang, Xiaoyu Chen, Xiyu Zhu, Zengyi Du","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-10-15T14:45:44Z","title":"Direct visualization of sign reversal s^+- superconducting gaps in FeTe0.55Se0.45"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.06414","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":"sha256:7df6663379c0ad2a0fc2f7989892789e0eabae6efd573855f6d285d573bccdce","target":"record","created_at":"2026-05-17T23:56:17Z","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":"84d13511d1de2068c2da4b8f5cd67bcb4c610fa540b86669c801e274efbced0b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-10-15T14:45:44Z","title_canon_sha256":"5468717bc4f095235ab433757c427409903866ee38f3f471113ae91752fd7049"},"schema_version":"1.0","source":{"id":"1810.06414","kind":"arxiv","version":1}},"canonical_sha256":"8fa63863939b8f8f1430fc42beb2d791c8d338fd574db293fb54db966fce08eb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8fa63863939b8f8f1430fc42beb2d791c8d338fd574db293fb54db966fce08eb","first_computed_at":"2026-05-17T23:56:17.506123Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:56:17.506123Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VGHNjX2zqoFB50aZDN+LqSNGcZ6Xsl8og6NmN4AKADVWewgWpO8hQLX1d98vaiGHd8ogmy1+9ak0/EHNEQeHDQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:56:17.506706Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.06414","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7df6663379c0ad2a0fc2f7989892789e0eabae6efd573855f6d285d573bccdce","sha256:e49bb6f020deaf04972f69a7bbbe21c1aeec8ba157ab0b22daaa1dd2cab1ff06"],"state_sha256":"920528bb65c5c4ad984618d8d39027e61037e669ba8b8487d343511ae7493367"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/nBKxmy3rfijgnuWQc5C/IcUfnt/RMKWri/g4jNPNffes5cazT3WVj/VDKHkgNu1uAQwoeyJeuDyKNax5g7SAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T18:25:54.106176Z","bundle_sha256":"16a95780c95468026943e3869093d8f35eedcd9d2a4b5da36c82de2721e4f389"}}