{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:WPU2HH5FUFYCDOMRLDU3UUX7TQ","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":"f9aea6f07594082af33bccc1449a45b84f06ecef8043c08610d0e7e42b8195a6","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-04-02T20:06:21Z","title_canon_sha256":"8ee964096820825310fb7182d46947f076a531234e56621d19a62fde42ef5cfe"},"schema_version":"1.0","source":{"id":"1404.0689","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1404.0689","created_at":"2026-05-18T02:54:55Z"},{"alias_kind":"arxiv_version","alias_value":"1404.0689v1","created_at":"2026-05-18T02:54:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.0689","created_at":"2026-05-18T02:54:55Z"},{"alias_kind":"pith_short_12","alias_value":"WPU2HH5FUFYC","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_16","alias_value":"WPU2HH5FUFYCDOMR","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_8","alias_value":"WPU2HH5F","created_at":"2026-05-18T12:28:54Z"}],"graph_snapshots":[{"event_id":"sha256:266e9a757244ae67891bb6759ea882a4bd745eecc0961e18f06127f0b907219a","target":"graph","created_at":"2026-05-18T02:54:55Z","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":"A key challenge in condensed matter research is the optimization of topological insulator (TI) compounds for the study and future application of their unique surface states. Truly insulating bulk states would allow the exploitation of predicted surface state properties, such as protection from backscattering, dissipationless spin-polarized currents, and the emergence of novel particles. Towards this end, major progress was recently made with the introduction of highly resistive Bi$_2$Te$_2$Se, in which surface state conductance and quantum oscillations are observed at low temperatures. Neverth","authors_text":"Anjan A. Reijnders, G. Pohl, I. D. Kivlichan, K. S. Burch, L. J. Sandilands, Madhab Neupane, M. E. Charles, M. Zahid Hasan, Nasser Alidoust, R.J. Cava, S. Jia, Suyang Xu, S. W. Cheong, S. Y. Frank Zhao, X. Wang, Y. Tian","cross_cats":["physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-04-02T20:06:21Z","title":"Optical evidence of surface state suppression in Bi based topological insulators"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.0689","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":"sha256:1de170c88da9de76f5c35c004bd90c3eb6119145881b42fe34f1395d2169bde0","target":"record","created_at":"2026-05-18T02:54:55Z","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":"f9aea6f07594082af33bccc1449a45b84f06ecef8043c08610d0e7e42b8195a6","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-04-02T20:06:21Z","title_canon_sha256":"8ee964096820825310fb7182d46947f076a531234e56621d19a62fde42ef5cfe"},"schema_version":"1.0","source":{"id":"1404.0689","kind":"arxiv","version":1}},"canonical_sha256":"b3e9a39fa5a17021b99158e9ba52ff9c395a108e8ac63c74d4d37754cf750ed6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b3e9a39fa5a17021b99158e9ba52ff9c395a108e8ac63c74d4d37754cf750ed6","first_computed_at":"2026-05-18T02:54:55.695903Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:54:55.695903Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rTucZxEUS0qGE11bLRrOGU8uSlpcVwwmNmbTv5UfoazZtuIq/vfceC4neK4gTdnW9ZWOaHbGAhucfY0pQQUWCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:54:55.696396Z","signed_message":"canonical_sha256_bytes"},"source_id":"1404.0689","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1de170c88da9de76f5c35c004bd90c3eb6119145881b42fe34f1395d2169bde0","sha256:266e9a757244ae67891bb6759ea882a4bd745eecc0961e18f06127f0b907219a"],"state_sha256":"8bfdb5231fd357fcb321e1acdaf087ac4c554fd2cacab648c7d0077c8af577c3"}