{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:NPA5V42LLRY36V2DHGLX27IPLE","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":"72c091732fd962b675c85d95c4bf42bde3e63d970c068b4622f1bee826151ee0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2017-12-15T12:53:26Z","title_canon_sha256":"dcdd5ef40d96a9f08f770a12ebbd3b5235ee6e14d7b4ae6d228bae95c43caf71"},"schema_version":"1.0","source":{"id":"1712.05649","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.05649","created_at":"2026-05-18T00:01:15Z"},{"alias_kind":"arxiv_version","alias_value":"1712.05649v3","created_at":"2026-05-18T00:01:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.05649","created_at":"2026-05-18T00:01:15Z"},{"alias_kind":"pith_short_12","alias_value":"NPA5V42LLRY3","created_at":"2026-05-18T12:31:34Z"},{"alias_kind":"pith_short_16","alias_value":"NPA5V42LLRY36V2D","created_at":"2026-05-18T12:31:34Z"},{"alias_kind":"pith_short_8","alias_value":"NPA5V42L","created_at":"2026-05-18T12:31:34Z"}],"graph_snapshots":[{"event_id":"sha256:369e50d08fe65b59da9939f935ca18c8d12b80fd01009a5f70a30e522a72f052","target":"graph","created_at":"2026-05-18T00:01:15Z","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":"Sc$_3$CoC$_4$ is the only superconductor in the group of the isotypic carbides Sc$_3M$C$_4$ ($M$ = Mn, Fe, Ru, Os, Co, Rh, Ir, Ni), rendering it into an ideal benchmark system to systematically study the prerequisites and mechanism of superconductivity in such quasi one-dimensional structures. To investigate the isotope effect, the substitution series Sc$_3$Co($^{12}$C$_{1-x}$$^{13}$C$_x$)$_4$ with $x$ = 0, 0.5 and 1 was synthesized by arc melting. The sample homogeneity was confirmed by powder X-ray diffraction and NMR spectroscopy. The resulting isotope coefficient based on magnetization stu","authors_text":"Anton Jesche, Christof D. Haas, Daniel Ekl\\\"of, Dominik Schmitz, Ernst-Wilhelm Scheidt, Georg Eickerling, Jan Gerrit Schiffmann, Jan Langmann, Jian Lyu, Junying Shen, Leo van W\\\"ullen, Rolf Lortz, Wolfgang Scherer","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2017-12-15T12:53:26Z","title":"On the $^{12}$C/$^{13}$C carbon isotope effect in the quasi one-dimensional superconductor Sc$_3$CoC$_4$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.05649","kind":"arxiv","version":3},"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":"sha256:00de48662bb7da3ba2cbb461be041ebfc621e400470310a98a6e56aea7713b4f","target":"record","created_at":"2026-05-18T00:01:15Z","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":"72c091732fd962b675c85d95c4bf42bde3e63d970c068b4622f1bee826151ee0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2017-12-15T12:53:26Z","title_canon_sha256":"dcdd5ef40d96a9f08f770a12ebbd3b5235ee6e14d7b4ae6d228bae95c43caf71"},"schema_version":"1.0","source":{"id":"1712.05649","kind":"arxiv","version":3}},"canonical_sha256":"6bc1daf34b5c71bf574339977d7d0f590b8f26b3d351b4096894214071d10ca0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6bc1daf34b5c71bf574339977d7d0f590b8f26b3d351b4096894214071d10ca0","first_computed_at":"2026-05-18T00:01:15.204880Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:01:15.204880Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5GBHz89WSvQZd/M+5c0YpUu403tPoYNAwSVYUrQJT99Q92OA3x4svX6EI/HZEL7/2UGazCcXOCUWgd8BQE1xDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:01:15.205287Z","signed_message":"canonical_sha256_bytes"},"source_id":"1712.05649","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:00de48662bb7da3ba2cbb461be041ebfc621e400470310a98a6e56aea7713b4f","sha256:369e50d08fe65b59da9939f935ca18c8d12b80fd01009a5f70a30e522a72f052"],"state_sha256":"d0b51ba0824d1f8e22bd334c99e732024175f08d297e899941a9eec89a49b888"}