{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:5G6JMIAIRDWPIXEOAUY526XZ5J","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":"b4be1fb6703b254f6c06f7bca570b4755811827fd066329620a91c5e52f6e257","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2019-01-23T10:25:54Z","title_canon_sha256":"0e902a99172e39469bd4767a43eeb4423f97355971c3482ad975668799b5ffca"},"schema_version":"1.0","source":{"id":"1901.07802","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.07802","created_at":"2026-05-17T23:49:02Z"},{"alias_kind":"arxiv_version","alias_value":"1901.07802v1","created_at":"2026-05-17T23:49:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.07802","created_at":"2026-05-17T23:49:02Z"},{"alias_kind":"pith_short_12","alias_value":"5G6JMIAIRDWP","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_16","alias_value":"5G6JMIAIRDWPIXEO","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_8","alias_value":"5G6JMIAI","created_at":"2026-05-18T12:33:10Z"}],"graph_snapshots":[{"event_id":"sha256:61e2232e56456236fd7ecb1da9ea9a618d08ec4af37378e484a2c8e3ccf05d67","target":"graph","created_at":"2026-05-17T23:49:02Z","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 present a muon spin relaxation study of the Mott transition in BaCoS_2 using two independent control parameters: (i) pressure p to tune the electronic bandwidth and (ii) Ni-substitution x on the Co site to tune the band filling. For both tuning parameters, the antiferromagnetic insulating state first transitions to an antiferromagnetic metal and finally to a paramagnetic metal without undergoing any structural phase transition. BaCoS_2 under pressure displays minimal change in the ordered magnetic moment S_ord until it collapses abruptly upon entering the antiferromagnetic metallic state at","authors_text":"A. Gauzzi, A.M. Hallas, B.A. Frandsen, D. Santos-Cottin, G.M. Luke, J. Beare, K. Yamakawa, M.N. Wilson, Q. Sheng, R. De Renzi, R. Khasanov, S.C. Cheung, S. Shamoto, Y. Cai, Y.J. Uemura, Y. Klein, Z. Gong, Z. Guguchia","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2019-01-23T10:25:54Z","title":"Probing the quantum phase transition in Mott insulator BaCoS_2 tuned by pressure and Ni-substitution"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.07802","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:d1a236f7696dc3fc9da2dcc7f62b1d89ea692723419f1b9816ad8ab673de0def","target":"record","created_at":"2026-05-17T23:49:02Z","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":"b4be1fb6703b254f6c06f7bca570b4755811827fd066329620a91c5e52f6e257","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2019-01-23T10:25:54Z","title_canon_sha256":"0e902a99172e39469bd4767a43eeb4423f97355971c3482ad975668799b5ffca"},"schema_version":"1.0","source":{"id":"1901.07802","kind":"arxiv","version":1}},"canonical_sha256":"e9bc96200888ecf45c8e0531dd7af9ea46f2d9526ac7551aac3e95b25c71bee6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e9bc96200888ecf45c8e0531dd7af9ea46f2d9526ac7551aac3e95b25c71bee6","first_computed_at":"2026-05-17T23:49:02.173477Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:49:02.173477Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"umhFW398RFV29/jF5jFSYf/wEh5VWbEUqa1OmfOgoYNFP0YtN6DO3PZ/0U9cstQNfSvhoOrzwXhOIOC6uclgAw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:49:02.173960Z","signed_message":"canonical_sha256_bytes"},"source_id":"1901.07802","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d1a236f7696dc3fc9da2dcc7f62b1d89ea692723419f1b9816ad8ab673de0def","sha256:61e2232e56456236fd7ecb1da9ea9a618d08ec4af37378e484a2c8e3ccf05d67"],"state_sha256":"3554d694db6eea94fc78fed0ac7b0c5eb567f6a798adf44803d5de4e28785bd8"}