{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:RAT5OHTPTIG7T2SXCPJQWZVZQP","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":"8ef6356b53c435374162064ffe9cdc7e40e9bd2f7813a64b6c1528d2aa5292ca","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2017-02-09T12:45:19Z","title_canon_sha256":"f903c3dde198fbff94f7d5b30c7efa7bc431e8ae1385266d6d812f8321aacf2c"},"schema_version":"1.0","source":{"id":"1702.02811","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.02811","created_at":"2026-05-18T00:51:02Z"},{"alias_kind":"arxiv_version","alias_value":"1702.02811v1","created_at":"2026-05-18T00:51:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.02811","created_at":"2026-05-18T00:51:02Z"},{"alias_kind":"pith_short_12","alias_value":"RAT5OHTPTIG7","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_16","alias_value":"RAT5OHTPTIG7T2SX","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_8","alias_value":"RAT5OHTP","created_at":"2026-05-18T12:31:39Z"}],"graph_snapshots":[{"event_id":"sha256:c7a7b0f9c2c886ca664f4aa621c47bcba2af5b7337ba469cfd868e39adcbd83e","target":"graph","created_at":"2026-05-18T00:51:02Z","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":"By use of ultrasound studies we resolved magneto-acoustic quantum oscillation deep into the mixed state of the multiband nonmagnetic superconductor YNi2B2C. Below the upper critical field, only a very weak additional damping appears that can be well explained by the field inhomogeneity caused by the flux-line lattice in the mixed state. This is clear evidence for no or a vanishingly small gap for one of the bands, namely, the spheroidal alpha band. This contrasts de Haas--van Alphen data obtained by use of torque magnetometry for the same sample, with a rapidly vanishing oscillation signal in ","authors_text":"G. Behr, G. Fuchs, H. Rosner, J. N\\\"ossler, J. Wosnitza, M. Uhlarz, R. Seerig, S.-L. Drechsler, S. Yasin, S. Zherlitsyn","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2017-02-09T12:45:19Z","title":"Field-induced gapless electron pocket in the superconducting vortex phase of YNi2B2C as probed by magnetoacoustic quantum oscillations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.02811","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":"sha256:625cfb149687366ef54cfacc1d293f3138bd9c77fec96fe672b1b1c7a3de36d7","target":"record","created_at":"2026-05-18T00:51:02Z","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":"8ef6356b53c435374162064ffe9cdc7e40e9bd2f7813a64b6c1528d2aa5292ca","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2017-02-09T12:45:19Z","title_canon_sha256":"f903c3dde198fbff94f7d5b30c7efa7bc431e8ae1385266d6d812f8321aacf2c"},"schema_version":"1.0","source":{"id":"1702.02811","kind":"arxiv","version":1}},"canonical_sha256":"8827d71e6f9a0df9ea5713d30b66b983f0caa8de7663e9bb45148026db2b8671","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8827d71e6f9a0df9ea5713d30b66b983f0caa8de7663e9bb45148026db2b8671","first_computed_at":"2026-05-18T00:51:02.440646Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:51:02.440646Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HXYGPgbvxo+1AmsskIEw6Wng/HNr/AkxmFtxj7Jy3Z/gj9sQ6rLINxdT2vHf1AJHr/Q6X2Ql9WHz3gObyrXJBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:51:02.441242Z","signed_message":"canonical_sha256_bytes"},"source_id":"1702.02811","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:625cfb149687366ef54cfacc1d293f3138bd9c77fec96fe672b1b1c7a3de36d7","sha256:c7a7b0f9c2c886ca664f4aa621c47bcba2af5b7337ba469cfd868e39adcbd83e"],"state_sha256":"71140d68c6153704ccfaecaae2867be49d6c9dfb84b47fef24e3aa0eec220df7"}