{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:X5ZRWZ6GKD65XF4GJ2XIQCAP7Q","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":"0bccf454e776c07aa71e563137e64941fdd719d95af3ccdf096033c45270e4e3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-05-23T16:30:29Z","title_canon_sha256":"ae6e4bb9d9b117ae4276b0724b2d944ba5b4c2b6fd56e8f6574b0942b84a616c"},"schema_version":"1.0","source":{"id":"1805.09268","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.09268","created_at":"2026-05-18T00:14:43Z"},{"alias_kind":"arxiv_version","alias_value":"1805.09268v1","created_at":"2026-05-18T00:14:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.09268","created_at":"2026-05-18T00:14:43Z"},{"alias_kind":"pith_short_12","alias_value":"X5ZRWZ6GKD65","created_at":"2026-05-18T12:33:01Z"},{"alias_kind":"pith_short_16","alias_value":"X5ZRWZ6GKD65XF4G","created_at":"2026-05-18T12:33:01Z"},{"alias_kind":"pith_short_8","alias_value":"X5ZRWZ6G","created_at":"2026-05-18T12:33:01Z"}],"graph_snapshots":[{"event_id":"sha256:e587c883db73cfd33809865afeddf457c7e4cdd743d6e47fbb684db72c81b017","target":"graph","created_at":"2026-05-18T00:14:43Z","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":"Superconductivity is observed in a new nontoxic cuprate system Ga-Ba-Ca-Cu-O, with Tc = 82K for GaBa2Ca5Cu6O14+{\\delta} (Ga-1256) and Tc = 116K probably for GaBa2Ca3Cu4O10+{\\delta} (Ga-1234) or GaBa2Ca2Cu3O8+{\\delta} (Ga-1223), respectively. All compounds are fabricated by solid state reaction method under high pressure and high temperature. Samples are characterized by resistivity, magnetization and X-ray diffraction (XRD) measurements. The temperature dependence of magnetization measured in both zero-field-cooled and field-cooled processes on one sample (S1) shows two superconducting transit","authors_text":"Chengping He, Hai-Hu Wen, Haonan Zhao, Jin Si, Wenhao Liu, Xiyu Zhu, Yue Zhang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-05-23T16:30:29Z","title":"Discovery of a new nontoxic cuprate superconducting system Ga-Ba-Ca-Cu-O"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.09268","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:d042973a55f074394fddac2ea6bcabc5ac7d82dd3fbaee5d37e7b7c46b001866","target":"record","created_at":"2026-05-18T00:14:43Z","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":"0bccf454e776c07aa71e563137e64941fdd719d95af3ccdf096033c45270e4e3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-05-23T16:30:29Z","title_canon_sha256":"ae6e4bb9d9b117ae4276b0724b2d944ba5b4c2b6fd56e8f6574b0942b84a616c"},"schema_version":"1.0","source":{"id":"1805.09268","kind":"arxiv","version":1}},"canonical_sha256":"bf731b67c650fddb97864eae88080ffc08756ccaf4c99b5b0e3f83e829ae7f20","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bf731b67c650fddb97864eae88080ffc08756ccaf4c99b5b0e3f83e829ae7f20","first_computed_at":"2026-05-18T00:14:43.815483Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:14:43.815483Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FEOzQJ/VIOVQIyYYrDcKbOIIAlVhy547qm5BZqEMXKq8GawdfkIeKO37g6LkQEbQitw3FYdr+t2uN6YC73IDCw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:14:43.815988Z","signed_message":"canonical_sha256_bytes"},"source_id":"1805.09268","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d042973a55f074394fddac2ea6bcabc5ac7d82dd3fbaee5d37e7b7c46b001866","sha256:e587c883db73cfd33809865afeddf457c7e4cdd743d6e47fbb684db72c81b017"],"state_sha256":"887ec841bae5b00c8eb2a85298104224fbb3091f3be479913c569a872a6d3a1f"}