{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:DGDNNK67AGJXFXZSKOCKLCYXKT","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":"083aeb90436b14c6972ec43b5da937d310f3f05f4df8516702b009de875ce36d","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-08-08T13:50:31Z","title_canon_sha256":"a52f1e58d28f05eac961c4acdfa0aedb06aaf0c86f413af29939c4f98b5208ed"},"schema_version":"1.0","source":{"id":"1208.1664","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.1664","created_at":"2026-05-18T03:41:40Z"},{"alias_kind":"arxiv_version","alias_value":"1208.1664v1","created_at":"2026-05-18T03:41:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.1664","created_at":"2026-05-18T03:41:40Z"},{"alias_kind":"pith_short_12","alias_value":"DGDNNK67AGJX","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_16","alias_value":"DGDNNK67AGJXFXZS","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_8","alias_value":"DGDNNK67","created_at":"2026-05-18T12:27:04Z"}],"graph_snapshots":[{"event_id":"sha256:2d6d466dcd4bf9c7c7dce9844a748536e8090349d409c18dd21270e9a60c13bd","target":"graph","created_at":"2026-05-18T03:41:40Z","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":"The Mott-insulator \\kappa-(BEDT-TTF)_2Cu_2(CN)_3 is the prime candidate of a quantum spin liquid with puzzling magnetic properties. Our THz and infrared investigations reveal that also the charge dynamics does not follow the expectations for a Mott insulator. The frequency-dependent conductivity exhibits a power-law behavior $\\sigma_1(\\omega)\\propto \\omega^n$ that grows stronger as the temperature decreases and extends all the way through the far-infrared. With $n\\approx 0.8$ to 1.5 we obtain a significantly smaller exponent than predicted by Ng and Lee [Phys. Rev. Lett. {\\bf 99}, 156402 (2007","authors_text":"Dan Wu, John A. Schlueter, Martin Dressel, Sebastian Elsasser","cross_cats":["cond-mat.supr-con"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-08-08T13:50:31Z","title":"Power-law dependence of the optical conductivity observed in the quantum spin-liquid compound \\kappa-(BEDT-TTF)2Cu2(CN)3"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.1664","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":"sha256:969019355548ac6e4f8f99e0498f1a47b26b689d53d67299decea7c7d61fce86","target":"record","created_at":"2026-05-18T03:41:40Z","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":"083aeb90436b14c6972ec43b5da937d310f3f05f4df8516702b009de875ce36d","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-08-08T13:50:31Z","title_canon_sha256":"a52f1e58d28f05eac961c4acdfa0aedb06aaf0c86f413af29939c4f98b5208ed"},"schema_version":"1.0","source":{"id":"1208.1664","kind":"arxiv","version":1}},"canonical_sha256":"1986d6abdf019372df325384a58b1754f9c45c9dc47cae86b9c7b4ad71462ae4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1986d6abdf019372df325384a58b1754f9c45c9dc47cae86b9c7b4ad71462ae4","first_computed_at":"2026-05-18T03:41:40.213764Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:41:40.213764Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"431kR3/g9CMkC4Ww7D+wjSCBwpfGefoOF2qjwudGNe9X9IsjPnvoHo41g0ysCRL1WypZasiFXxXyWqBkmNCwDA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:41:40.214403Z","signed_message":"canonical_sha256_bytes"},"source_id":"1208.1664","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:969019355548ac6e4f8f99e0498f1a47b26b689d53d67299decea7c7d61fce86","sha256:2d6d466dcd4bf9c7c7dce9844a748536e8090349d409c18dd21270e9a60c13bd"],"state_sha256":"84eccd2a0debe88d0b436ceeb5464ebef59411faf44fd58c895699db79fe5ec6"}