{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:HAEYBJO5X354AA5KOYO4OFFK4I","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":"3edbdfa2c3a42ed22d3d3708b2598dea4a66c465ad717fdff56ab5cc6e8368be","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-03-05T08:25:10Z","title_canon_sha256":"c0660a842e8500bacdcdd4e7ec24af19a12a1d517667e785f8882ed8ef78fceb"},"schema_version":"1.0","source":{"id":"1803.01553","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.01553","created_at":"2026-05-18T00:08:35Z"},{"alias_kind":"arxiv_version","alias_value":"1803.01553v2","created_at":"2026-05-18T00:08:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.01553","created_at":"2026-05-18T00:08:35Z"},{"alias_kind":"pith_short_12","alias_value":"HAEYBJO5X354","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_16","alias_value":"HAEYBJO5X354AA5K","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_8","alias_value":"HAEYBJO5","created_at":"2026-05-18T12:32:28Z"}],"graph_snapshots":[{"event_id":"sha256:c2db220d6db961f1e581484ac4496a588d1308b469e16f6503bdfcdf3c1e6700","target":"graph","created_at":"2026-05-18T00:08:35Z","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 electrodynamic response of organic spin liquids with highly-frustrated triangular lattices has been measured in a wide energy range. While the overall optical spectra of these Mott insulators are governed by transitions between the Hubbard bands, distinct in-gap excitations can be identified at low temperatures and frequencies which we attribute to the quantum spin liquid state. For the strongly correlated $\\beta^{\\prime}$-EtMe$_3$\\-Sb\\-[Pd(dmit)$_2$]$_2$, we discover enhanced conductivity below $175~{\\rm cm}^{-1}$, comparable to the energy of the magnetic coupling $J\\approx 250$ K. For $\\","authors_text":"A. Pustogow, B. Gorshunov, E. Zhukova, M. Dressel, R. Kato, S. Fratini, T.-H. Lee, V. Dobrosavljevi\\'c, Y. Saito","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-03-05T08:25:10Z","title":"Low-Energy Excitations in Quantum Spin-Liquids Identified by Optical Spectroscopy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.01553","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":"sha256:9e5c4f022fb1dc281fbd3a796456365e0314ef6834c1ab0e27f718463e08e328","target":"record","created_at":"2026-05-18T00:08:35Z","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":"3edbdfa2c3a42ed22d3d3708b2598dea4a66c465ad717fdff56ab5cc6e8368be","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-03-05T08:25:10Z","title_canon_sha256":"c0660a842e8500bacdcdd4e7ec24af19a12a1d517667e785f8882ed8ef78fceb"},"schema_version":"1.0","source":{"id":"1803.01553","kind":"arxiv","version":2}},"canonical_sha256":"380980a5ddbefbc003aa761dc714aae22a164572733002fa7280337d20b7c75f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"380980a5ddbefbc003aa761dc714aae22a164572733002fa7280337d20b7c75f","first_computed_at":"2026-05-18T00:08:35.941283Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:08:35.941283Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"a0HsmFLOxbUf5QBYbNdwp1SPkfOAmp3eVbdXgQqHD4+F17TO+HeWTh5amcDRXDYVbtZAMOXHerf2TkXMpPoACA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:08:35.941932Z","signed_message":"canonical_sha256_bytes"},"source_id":"1803.01553","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9e5c4f022fb1dc281fbd3a796456365e0314ef6834c1ab0e27f718463e08e328","sha256:c2db220d6db961f1e581484ac4496a588d1308b469e16f6503bdfcdf3c1e6700"],"state_sha256":"2fb75e3e9af91bcab7b9d479643c6d9550481a4f817f91f3b1eb5fbe2a80698c"}