{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:ZCFWUWBBPLD7OQ2CXV5XU6DFQD","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":"b7f62f714cc2126fbdfe8cfc0bbe0d95a380d8384dae5b498dbe309a12b244df","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-05-29T19:27:40Z","title_canon_sha256":"c72396571593bc18f4d4692402e0a69d424b9a3b63689dcb502a28b9ed361fda"},"schema_version":"1.0","source":{"id":"1505.08160","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.08160","created_at":"2026-05-18T01:36:37Z"},{"alias_kind":"arxiv_version","alias_value":"1505.08160v1","created_at":"2026-05-18T01:36:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.08160","created_at":"2026-05-18T01:36:37Z"},{"alias_kind":"pith_short_12","alias_value":"ZCFWUWBBPLD7","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_16","alias_value":"ZCFWUWBBPLD7OQ2C","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_8","alias_value":"ZCFWUWBB","created_at":"2026-05-18T12:29:52Z"}],"graph_snapshots":[{"event_id":"sha256:6f963c3268d80e82a64a80edecf686301d3a270ceb0e46838ce4520c0bcf1014","target":"graph","created_at":"2026-05-18T01:36:37Z","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 analyze recent heat capacity measurements in herbertsmithite $\\rm ZnCu_3(OH)_6Cl_2$ single crystal samples subjected to strong magnetic fields. We show that the temperature dependence of specific heat $C_{mag}$ formed by quantum spin liquid at different magnetic fields $B$ resembles the electronic heat capacity $C_{el}$ of the HF metal $\\rm YbRh_2Si_2$. We demonstrate that the spinon effective mass $M^*_{mag}\\propto C_{mag}/T$ exhibits a scaling behavior like that of $C_{el}/T$. We also show that the recent measurements of $C_{mag}$ are compatible with those obtained on powder samples. Thes","authors_text":"A.Z. Msezane, K.G. Popov, M.Ya. Amusia, V.A. Stephanovich, V.R. Shaginyan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-05-29T19:27:40Z","title":"Heavy fermion spin liquid in herbertsmithite"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.08160","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:ebe71bf43047c4131175b686a262e722c9cc19741932be106153f244a357f27f","target":"record","created_at":"2026-05-18T01:36:37Z","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":"b7f62f714cc2126fbdfe8cfc0bbe0d95a380d8384dae5b498dbe309a12b244df","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-05-29T19:27:40Z","title_canon_sha256":"c72396571593bc18f4d4692402e0a69d424b9a3b63689dcb502a28b9ed361fda"},"schema_version":"1.0","source":{"id":"1505.08160","kind":"arxiv","version":1}},"canonical_sha256":"c88b6a58217ac7f74342bd7b7a786580ea5c47a203a65da3d0003d0a7612abff","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c88b6a58217ac7f74342bd7b7a786580ea5c47a203a65da3d0003d0a7612abff","first_computed_at":"2026-05-18T01:36:37.971771Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:36:37.971771Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vpyKC7XWsDxHxI1Do41J22Ym1u8WQiXPV88nuouwQbvlVY5vLGmQs4xBThdkVargM/mrMMezNG/TeLieSAUXCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:36:37.972640Z","signed_message":"canonical_sha256_bytes"},"source_id":"1505.08160","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ebe71bf43047c4131175b686a262e722c9cc19741932be106153f244a357f27f","sha256:6f963c3268d80e82a64a80edecf686301d3a270ceb0e46838ce4520c0bcf1014"],"state_sha256":"b36b1f489cd1af8aa9867610f090d63a23fdbf89999d4ec8ff28de27bea17783"}