{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:24TAR7I7LJX2OUKX2PIE6VB2NR","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":"137d16643c1150d81ba13fc21a70f00c17c69b23f4b26749445806a564f7351d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2016-01-22T19:15:55Z","title_canon_sha256":"00547f53542f8e5686dfbfa8e923c8eb20d130189b884eff03f14e2f56e3e5ae"},"schema_version":"1.0","source":{"id":"1601.06111","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.06111","created_at":"2026-05-18T01:22:09Z"},{"alias_kind":"arxiv_version","alias_value":"1601.06111v1","created_at":"2026-05-18T01:22:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.06111","created_at":"2026-05-18T01:22:09Z"},{"alias_kind":"pith_short_12","alias_value":"24TAR7I7LJX2","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_16","alias_value":"24TAR7I7LJX2OUKX","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_8","alias_value":"24TAR7I7","created_at":"2026-05-18T12:29:52Z"}],"graph_snapshots":[{"event_id":"sha256:7332ec780fd4ce4a7fa3b138ccd8ea98d55f9f396096808c8763cf36553510e6","target":"graph","created_at":"2026-05-18T01:22:09Z","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":"Using the {\\it ab initio} anisotropic Eliashberg theory including Coulomb interactions, we investigate the electron-phonon interaction and the pairing mechanism in the recently-reported superconducting Ca-intercalated bilayer graphene. We find that C$_6$CaC$_6$ can support phonon-mediated superconductivity with a critical temperature $T_{\\rm c}=$6.8-8.1~K, in good agreement with experimental data. Our calculations indicate that the low-energy Ca$_{xy}$ vibrations are critical to the pairing, and that it should be possible to resolve two distinct superconducting gaps on the electron and hole Fe","authors_text":"E. R. Margine, Feliciano Giustino, Henry Lambert","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2016-01-22T19:15:55Z","title":"Electron-phonon interaction and pairing mechanism in superconducting Ca-intercalated bilayer graphene"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.06111","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:a0c5341da5e39a80ad3c4a4f997c583feb0f0ce76199b27101f9f6bd52be2a60","target":"record","created_at":"2026-05-18T01:22:09Z","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":"137d16643c1150d81ba13fc21a70f00c17c69b23f4b26749445806a564f7351d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2016-01-22T19:15:55Z","title_canon_sha256":"00547f53542f8e5686dfbfa8e923c8eb20d130189b884eff03f14e2f56e3e5ae"},"schema_version":"1.0","source":{"id":"1601.06111","kind":"arxiv","version":1}},"canonical_sha256":"d72608fd1f5a6fa75157d3d04f543a6c78279f57009447baa3536da697c85cce","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d72608fd1f5a6fa75157d3d04f543a6c78279f57009447baa3536da697c85cce","first_computed_at":"2026-05-18T01:22:09.252795Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:22:09.252795Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fCQ5ARgAvksItruI+1INVabUuvUOjO6U3z7mW5Q6Wc2l4n4W3eLpv5mjCF7hzpJxMRgtqCjm+a7edDi0CNDrBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:22:09.253463Z","signed_message":"canonical_sha256_bytes"},"source_id":"1601.06111","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a0c5341da5e39a80ad3c4a4f997c583feb0f0ce76199b27101f9f6bd52be2a60","sha256:7332ec780fd4ce4a7fa3b138ccd8ea98d55f9f396096808c8763cf36553510e6"],"state_sha256":"16d0cdafaaa7619db2e49ee4472acdea3cb2689126e747564b30f77777948a98"}