{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:74L42NDT4F5K453RSLWLNNIMIC","short_pith_number":"pith:74L42NDT","canonical_record":{"source":{"id":"1804.05072","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-04-13T18:01:28Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"ad2f0ab02e0cedaa70b9f2025dc45c40a5dfe63e93330054ba3f607d75f5021f","abstract_canon_sha256":"3e23bc5ecb01c898e726d3f8d9816645b43cf2e496ab40a734425085fd5053ea"},"schema_version":"1.0"},"canonical_sha256":"ff17cd3473e17aae777192ecb6b50c4097bda158135151e6cd2ec7e30d621a54","source":{"kind":"arxiv","id":"1804.05072","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.05072","created_at":"2026-05-17T23:59:27Z"},{"alias_kind":"arxiv_version","alias_value":"1804.05072v2","created_at":"2026-05-17T23:59:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.05072","created_at":"2026-05-17T23:59:27Z"},{"alias_kind":"pith_short_12","alias_value":"74L42NDT4F5K","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_16","alias_value":"74L42NDT4F5K453R","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_8","alias_value":"74L42NDT","created_at":"2026-05-18T12:32:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:74L42NDT4F5K453RSLWLNNIMIC","target":"record","payload":{"canonical_record":{"source":{"id":"1804.05072","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-04-13T18:01:28Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"ad2f0ab02e0cedaa70b9f2025dc45c40a5dfe63e93330054ba3f607d75f5021f","abstract_canon_sha256":"3e23bc5ecb01c898e726d3f8d9816645b43cf2e496ab40a734425085fd5053ea"},"schema_version":"1.0"},"canonical_sha256":"ff17cd3473e17aae777192ecb6b50c4097bda158135151e6cd2ec7e30d621a54","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:59:27.875141Z","signature_b64":"4aoBEhWbUWxHb3jP4WCt63p/HBf9g3JF7MdGZaLWnYdqJ1OrEsAVjhFUUHDVBH012hWut3+9/dR4QIgQGmjdBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ff17cd3473e17aae777192ecb6b50c4097bda158135151e6cd2ec7e30d621a54","last_reissued_at":"2026-05-17T23:59:27.874633Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:59:27.874633Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.05072","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:59:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EpXkjRWILsCZDnkD1QMZ67We8le+mbakrRs1AKPZq3QfWkOFLV6IJCvSw8kqK3xl1lyAD2Dkiag5M90VeehJBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T11:34:41.093143Z"},"content_sha256":"b2a034f7dbff7c5ea6c0e60e5e98cee23ff59011b29705593d4001e6efd01014","schema_version":"1.0","event_id":"sha256:b2a034f7dbff7c5ea6c0e60e5e98cee23ff59011b29705593d4001e6efd01014"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:74L42NDT4F5K453RSLWLNNIMIC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Nodeless high-T$_c$ superconductivity in highly-overdoped monolayer CuO$_2$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"Jiangping Hu, Kun Jiang, Xianxin Wu, Ziqiang Wang","submitted_at":"2018-04-13T18:01:28Z","abstract_excerpt":"We study the electronic structure and superconductivity in CuO$_2$ monolayer grown recently on $d$-wave cuprate superconductor Bi$_2$Sr$_2$CaCu$_2$O$_{8+\\delta}$. Density functional theory calculations indicate significant charge transfer across the interface such that the CuO$_2$ monolayer is heavily overdoped into the hole-rich regime yet inaccessible in bulk cuprates. We show that both the Cu $d_{x^2-y^2}$ and $d_{3z^2-r^2}$ orbitals become important and the Fermi surface contains one electron and one hole pocket associated with the two orbitals respectively. Constructing a minimal correlat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.05072","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:59:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OWs7BE8LXlZlYUpAHYz3SB3TNOIGj/Gc8xhWtifXdRaAgPXyG5vVrfxIky9dh3Ygg4rypsVRoCHbegJJkWUlBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T11:34:41.093633Z"},"content_sha256":"01b83d4a7b1286f9d7b34a53b6f5f17e9ebe6d45ae194f795f1c2abb2c8491a5","schema_version":"1.0","event_id":"sha256:01b83d4a7b1286f9d7b34a53b6f5f17e9ebe6d45ae194f795f1c2abb2c8491a5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/74L42NDT4F5K453RSLWLNNIMIC/bundle.json","state_url":"https://pith.science/pith/74L42NDT4F5K453RSLWLNNIMIC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/74L42NDT4F5K453RSLWLNNIMIC/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-26T11:34:41Z","links":{"resolver":"https://pith.science/pith/74L42NDT4F5K453RSLWLNNIMIC","bundle":"https://pith.science/pith/74L42NDT4F5K453RSLWLNNIMIC/bundle.json","state":"https://pith.science/pith/74L42NDT4F5K453RSLWLNNIMIC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/74L42NDT4F5K453RSLWLNNIMIC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:74L42NDT4F5K453RSLWLNNIMIC","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":"3e23bc5ecb01c898e726d3f8d9816645b43cf2e496ab40a734425085fd5053ea","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-04-13T18:01:28Z","title_canon_sha256":"ad2f0ab02e0cedaa70b9f2025dc45c40a5dfe63e93330054ba3f607d75f5021f"},"schema_version":"1.0","source":{"id":"1804.05072","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.05072","created_at":"2026-05-17T23:59:27Z"},{"alias_kind":"arxiv_version","alias_value":"1804.05072v2","created_at":"2026-05-17T23:59:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.05072","created_at":"2026-05-17T23:59:27Z"},{"alias_kind":"pith_short_12","alias_value":"74L42NDT4F5K","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_16","alias_value":"74L42NDT4F5K453R","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_8","alias_value":"74L42NDT","created_at":"2026-05-18T12:32:11Z"}],"graph_snapshots":[{"event_id":"sha256:01b83d4a7b1286f9d7b34a53b6f5f17e9ebe6d45ae194f795f1c2abb2c8491a5","target":"graph","created_at":"2026-05-17T23:59:27Z","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":"We study the electronic structure and superconductivity in CuO$_2$ monolayer grown recently on $d$-wave cuprate superconductor Bi$_2$Sr$_2$CaCu$_2$O$_{8+\\delta}$. Density functional theory calculations indicate significant charge transfer across the interface such that the CuO$_2$ monolayer is heavily overdoped into the hole-rich regime yet inaccessible in bulk cuprates. We show that both the Cu $d_{x^2-y^2}$ and $d_{3z^2-r^2}$ orbitals become important and the Fermi surface contains one electron and one hole pocket associated with the two orbitals respectively. Constructing a minimal correlat","authors_text":"Jiangping Hu, Kun Jiang, Xianxin Wu, Ziqiang Wang","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-04-13T18:01:28Z","title":"Nodeless high-T$_c$ superconductivity in highly-overdoped monolayer CuO$_2$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.05072","kind":"arxiv","version":2},"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:b2a034f7dbff7c5ea6c0e60e5e98cee23ff59011b29705593d4001e6efd01014","target":"record","created_at":"2026-05-17T23:59:27Z","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":"3e23bc5ecb01c898e726d3f8d9816645b43cf2e496ab40a734425085fd5053ea","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-04-13T18:01:28Z","title_canon_sha256":"ad2f0ab02e0cedaa70b9f2025dc45c40a5dfe63e93330054ba3f607d75f5021f"},"schema_version":"1.0","source":{"id":"1804.05072","kind":"arxiv","version":2}},"canonical_sha256":"ff17cd3473e17aae777192ecb6b50c4097bda158135151e6cd2ec7e30d621a54","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ff17cd3473e17aae777192ecb6b50c4097bda158135151e6cd2ec7e30d621a54","first_computed_at":"2026-05-17T23:59:27.874633Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:59:27.874633Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4aoBEhWbUWxHb3jP4WCt63p/HBf9g3JF7MdGZaLWnYdqJ1OrEsAVjhFUUHDVBH012hWut3+9/dR4QIgQGmjdBw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:59:27.875141Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.05072","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b2a034f7dbff7c5ea6c0e60e5e98cee23ff59011b29705593d4001e6efd01014","sha256:01b83d4a7b1286f9d7b34a53b6f5f17e9ebe6d45ae194f795f1c2abb2c8491a5"],"state_sha256":"db84ad55ce96f70add94874713118c62c5dd6f5ae83510403b0e42b2b619e133"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XAdlS0MLFBOl8zH/fAbEzNu3bE+ogcqlgsOHlHSe+CMWEs4xGMYvTApgQdHTfrCnpQ2orKM69cDvyNUjNKrtCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T11:34:41.095939Z","bundle_sha256":"f1145fb5261ba4f8377c1eb4ebabeec92578426df0b9a791952f8521c95f8b3a"}}