{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:ENMYUODA5CPP7SVSPDJUKP4PSU","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":"f651c1377c0b1a33124553318c01802b63674ee7dab4687816a2b6cdd9b90963","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-08-07T10:38:09Z","title_canon_sha256":"e80bc41b5fe3a19cd2a4a541cea197c5519020a81ec60e27110be436f33a1e56"},"schema_version":"1.0","source":{"id":"1508.01653","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1508.01653","created_at":"2026-05-18T01:24:53Z"},{"alias_kind":"arxiv_version","alias_value":"1508.01653v1","created_at":"2026-05-18T01:24:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1508.01653","created_at":"2026-05-18T01:24:53Z"},{"alias_kind":"pith_short_12","alias_value":"ENMYUODA5CPP","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_16","alias_value":"ENMYUODA5CPP7SVS","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_8","alias_value":"ENMYUODA","created_at":"2026-05-18T12:29:19Z"}],"graph_snapshots":[{"event_id":"sha256:17521177bad20105aefabce433e03342dbc79f2fc31df462cff5ca8ff1405068","target":"graph","created_at":"2026-05-18T01:24:53Z","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":"We explore orbital dynamics in the spin liquid candidate Ba3CuSb2O9 using multi-frequency electron spin resonance. We prepared two high quality single crystals. The crystal with a slight copper deficiency shows a structural phase transition at around 200 K due to the cooperative Jahn-Teller effect, accompanied with orbital ordering. In contrast, the crystal with almost perfect stoichiometry shows no orbital ordering down to the lowest temperature of 1.5 K. Dramatic change in the g-factor anisotropy as a function of frequency and temperature demonstrates orbital quantum fluctuations at a nearly","authors_text":"Kenta Kimura, Mario Halim, Masayuki Hagiwara, Satoru Nakatsuji, Takehito Nakano, Yasuo Nozue, Yibo Han","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-08-07T10:38:09Z","title":"Observation of the orbital quantum dynamics in the spin-1/2 hexagonal antiferromagnet Ba3CuSb2O9"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.01653","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:ff40766b0ab2f81a95cbc80aab668c082ef2bae8825ef47292c6cd8a46816d33","target":"record","created_at":"2026-05-18T01:24:53Z","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":"f651c1377c0b1a33124553318c01802b63674ee7dab4687816a2b6cdd9b90963","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-08-07T10:38:09Z","title_canon_sha256":"e80bc41b5fe3a19cd2a4a541cea197c5519020a81ec60e27110be436f33a1e56"},"schema_version":"1.0","source":{"id":"1508.01653","kind":"arxiv","version":1}},"canonical_sha256":"23598a3860e89effcab278d3453f8f9525228e14cf4330b1b83a644dd02085e3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"23598a3860e89effcab278d3453f8f9525228e14cf4330b1b83a644dd02085e3","first_computed_at":"2026-05-18T01:24:53.326882Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:24:53.326882Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cECNL218EjZyP4N770jrpNGDP0IwsHh6Q8zrLcISCozNcgSvSd626dp+Vpw46XDhmyvUiBErJX4OqM3n3BPXDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:24:53.327426Z","signed_message":"canonical_sha256_bytes"},"source_id":"1508.01653","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ff40766b0ab2f81a95cbc80aab668c082ef2bae8825ef47292c6cd8a46816d33","sha256:17521177bad20105aefabce433e03342dbc79f2fc31df462cff5ca8ff1405068"],"state_sha256":"4de6c2f62e91872b0c17fe22728579118a01f1b344f945ac237d3ca9cd263eb3"}