{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:VATGQB66R4RQJQRKHBQTRI2MA5","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":"a8b88ef14d83b0d9589a29ff980dd6b9f14f5a4fa04a207b0bb45bd03fc87359","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-07-25T17:19:47Z","title_canon_sha256":"f8b2a7b43223d72c0da5c5609fc0f164a9afb2a0beb7a6e86c8ff77d51cb6241"},"schema_version":"1.0","source":{"id":"1307.6817","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1307.6817","created_at":"2026-05-18T01:48:34Z"},{"alias_kind":"arxiv_version","alias_value":"1307.6817v1","created_at":"2026-05-18T01:48:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.6817","created_at":"2026-05-18T01:48:34Z"},{"alias_kind":"pith_short_12","alias_value":"VATGQB66R4RQ","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_16","alias_value":"VATGQB66R4RQJQRK","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_8","alias_value":"VATGQB66","created_at":"2026-05-18T12:28:04Z"}],"graph_snapshots":[{"event_id":"sha256:2ea28472866c238e39de06c6dcd06abadc121f94701347d6f0092989d2db5513","target":"graph","created_at":"2026-05-18T01:48:34Z","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":"Hall effect measurements were performed under pressure and magnetic field up to 2.2 GPa and 16 T on a single crystal of UCoAl. At ambient pressure, the system undergoes a first order metamagnetic transition at the critical field B_m = 0.7 T from a paramagnetic ground state to a field-induced ferromagnetic state. The Hall signal is linear at low field and shows a step-like anomaly at the transition, with only little change of the Hall coefficient. The anomaly is sharpest at the temperature of the critical end point T_0 = 12 K above which the first order metamagnetic transition becomes a crossov","authors_text":"2), (2) Institute for Materials Research, CEA Grenoble, Dai Aoki (1, France, Georg Knebel (1), Jacques Flouquet (1) ((1) INAC, Japan), Oarai, SPSMS, Tohoku University, Tristan Combier (1)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-07-25T17:19:47Z","title":"Ferromagnetic Quantum Criticality Studied by Hall Effect Measurements in UCoAl"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.6817","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:ddf464b9ba0c7fd1963f82dbab9aa2a08169f42295a4bc533e59dc4fe3702c8d","target":"record","created_at":"2026-05-18T01:48:34Z","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":"a8b88ef14d83b0d9589a29ff980dd6b9f14f5a4fa04a207b0bb45bd03fc87359","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-07-25T17:19:47Z","title_canon_sha256":"f8b2a7b43223d72c0da5c5609fc0f164a9afb2a0beb7a6e86c8ff77d51cb6241"},"schema_version":"1.0","source":{"id":"1307.6817","kind":"arxiv","version":1}},"canonical_sha256":"a8266807de8f2304c22a386138a34c0768358f67f13ca84c101e39e21177deb7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a8266807de8f2304c22a386138a34c0768358f67f13ca84c101e39e21177deb7","first_computed_at":"2026-05-18T01:48:34.557342Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:48:34.557342Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/d5cF5P7oVGrc3iTBucqNeMEOqR/bW0ZZlFKQ4ODf/GhPprWiOGeSE/bYIrqMjNPntxBVIPQ9urSTdxbHrfJCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:48:34.557834Z","signed_message":"canonical_sha256_bytes"},"source_id":"1307.6817","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ddf464b9ba0c7fd1963f82dbab9aa2a08169f42295a4bc533e59dc4fe3702c8d","sha256:2ea28472866c238e39de06c6dcd06abadc121f94701347d6f0092989d2db5513"],"state_sha256":"f66f25f6961bfd4bc67f11a9c7e08dd2ec8a3bda0258ca19f4f33387800463e0"}