{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:WKMXRQQZJSFBWJBZ2OZ6IV6UXH","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":"81c7a368bee9ea8430143ec403b3429f6b810de10d43f3a9f912c4a5be7eedca","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-06-17T04:55:16Z","title_canon_sha256":"b38f71b55714705a6b8ffe2967d9256d7de0a8d523d17a6242a9b90f205f933e"},"schema_version":"1.0","source":{"id":"2406.11207","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.11207","created_at":"2026-07-05T09:04:57Z"},{"alias_kind":"arxiv_version","alias_value":"2406.11207v1","created_at":"2026-07-05T09:04:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.11207","created_at":"2026-07-05T09:04:57Z"},{"alias_kind":"pith_short_12","alias_value":"WKMXRQQZJSFB","created_at":"2026-07-05T09:04:57Z"},{"alias_kind":"pith_short_16","alias_value":"WKMXRQQZJSFBWJBZ","created_at":"2026-07-05T09:04:57Z"},{"alias_kind":"pith_short_8","alias_value":"WKMXRQQZ","created_at":"2026-07-05T09:04:57Z"}],"graph_snapshots":[{"event_id":"sha256:f1b89d7516ebfccff564789eb447a161c84fc30b01fbbf64ad75193605d0aaac","target":"graph","created_at":"2026-07-05T09:04:57Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2406.11207/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Rare-earth Zintl compound EuIn$_2$As$_2$ has been theoretically recognized as a candidate for realizing an intrinsic antiferromagnetic (AFM) bulk axion insulator and a higher-order topological state, which provides a fertile platform to explore novel topological transport phenomena. However, the axion state has yet to be realized because EuIn$_2$As$_2$ is highly hole-doped. Here, we synthesized a series of high-quality Ca-doped EuIn2As2 (Ca$_x$Eu$_{1-x}$In$_2$As$_2$, x = 0 ~ 0.25) single crystals to tune the Fermi energy above the hole pocket. Our Hall measurements reveal that the isovalent Ca","authors_text":"Bao-Tian Wang, Hanming Ma, Jianguo Si, Jian Yan, Minoru Yamashita, Xuan Luo, Yoshiya Uwatoko, Yuping Sun, Zhongzhu Jiang","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-06-17T04:55:16Z","title":"Doping-tunable Fermi surface with persistent topological Hall effect in axion candidate EuIn$_2$As$_2$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.11207","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":"sha256:47f429b07556ecf1eee6fb3079e5d3d8e548ea75ef4c85eb0ab0deb83743b1dd","target":"record","created_at":"2026-07-05T09:04:57Z","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":"81c7a368bee9ea8430143ec403b3429f6b810de10d43f3a9f912c4a5be7eedca","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-06-17T04:55:16Z","title_canon_sha256":"b38f71b55714705a6b8ffe2967d9256d7de0a8d523d17a6242a9b90f205f933e"},"schema_version":"1.0","source":{"id":"2406.11207","kind":"arxiv","version":1}},"canonical_sha256":"b29978c2194c8a1b2439d3b3e457d4b9d41d0ae195ccb2b6e6496866a97a1f90","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b29978c2194c8a1b2439d3b3e457d4b9d41d0ae195ccb2b6e6496866a97a1f90","first_computed_at":"2026-07-05T09:04:57.831606Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:04:57.831606Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UN/KB9jYu4GDx3bU+AHMQoLVncr2vxd1YGu0cp9sMvd8QPaSG9IsJmbJJ4FipnhoP5ySIyXuwzlugCawGz1bBw==","signature_status":"signed_v1","signed_at":"2026-07-05T09:04:57.832144Z","signed_message":"canonical_sha256_bytes"},"source_id":"2406.11207","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:47f429b07556ecf1eee6fb3079e5d3d8e548ea75ef4c85eb0ab0deb83743b1dd","sha256:f1b89d7516ebfccff564789eb447a161c84fc30b01fbbf64ad75193605d0aaac"],"state_sha256":"be0c96a100bc90f5ccadab61b3be4f66b595be0d49b8e39472b4a19a31097c62"}