{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2006:O7MM4DP2H7O5OMIYVZYJDXPRLX","short_pith_number":"pith:O7MM4DP2","schema_version":"1.0","canonical_sha256":"77d8ce0dfa3fddd73118ae7091ddf15de3939a7808399220c163c8262dd7398a","source":{"kind":"arxiv","id":"cond-mat/0612158","version":2},"attestation_state":"computed","paper":{"title":"Resonating valence bonds and mean-field d-wave superconductivity in graphite","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Annica M. Black-Schaffer, Sebastian Doniach","submitted_at":"2006-12-06T17:41:11Z","abstract_excerpt":"We investigate the possibility of inducing superconductivity in a graphite layer by electronic correlation effects. We use a phenomenological microscopic Hamiltonian which includes nearest neighbor hopping and an interaction term which explicitly favors nearest neighbor spin-singlets through the well-known resonance valence bond (RVB) character of planar organic molecules. Treating this Hamiltonian in mean-field theory, allowing for bond-dependent variation of the RVB order parameter, we show that both s- and d-wave superconducting states are possible. The d-wave solution belongs to a two-dime"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"cond-mat/0612158","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"2006-12-06T17:41:11Z","cross_cats_sorted":[],"title_canon_sha256":"66ccb799685c6d36ed22ca4f6673ccd9ef40bc44602e78b065e65241a02a0507","abstract_canon_sha256":"dbec66b72b5798b0ad2a1c40ab1afdb7bf604445f480fa0d64ec8551df573d46"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:38:57.385281Z","signature_b64":"gjMeALzBwHsFsBBd+WFe4ngM6KdnbxhvI5w787hZb+nm8fpIqTPzLrlBiK72pALEATzwBWBEtw4t52jVRukPBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"77d8ce0dfa3fddd73118ae7091ddf15de3939a7808399220c163c8262dd7398a","last_reissued_at":"2026-05-18T04:38:57.384862Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:38:57.384862Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Resonating valence bonds and mean-field d-wave superconductivity in graphite","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Annica M. Black-Schaffer, Sebastian Doniach","submitted_at":"2006-12-06T17:41:11Z","abstract_excerpt":"We investigate the possibility of inducing superconductivity in a graphite layer by electronic correlation effects. We use a phenomenological microscopic Hamiltonian which includes nearest neighbor hopping and an interaction term which explicitly favors nearest neighbor spin-singlets through the well-known resonance valence bond (RVB) character of planar organic molecules. Treating this Hamiltonian in mean-field theory, allowing for bond-dependent variation of the RVB order parameter, we show that both s- and d-wave superconducting states are possible. The d-wave solution belongs to a two-dime"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0612158","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0612158","created_at":"2026-05-18T04:38:57.384919+00:00"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0612158v2","created_at":"2026-05-18T04:38:57.384919+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0612158","created_at":"2026-05-18T04:38:57.384919+00:00"},{"alias_kind":"pith_short_12","alias_value":"O7MM4DP2H7O5","created_at":"2026-05-18T12:25:54.717736+00:00"},{"alias_kind":"pith_short_16","alias_value":"O7MM4DP2H7O5OMIY","created_at":"2026-05-18T12:25:54.717736+00:00"},{"alias_kind":"pith_short_8","alias_value":"O7MM4DP2","created_at":"2026-05-18T12:25:54.717736+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/O7MM4DP2H7O5OMIYVZYJDXPRLX","json":"https://pith.science/pith/O7MM4DP2H7O5OMIYVZYJDXPRLX.json","graph_json":"https://pith.science/api/pith-number/O7MM4DP2H7O5OMIYVZYJDXPRLX/graph.json","events_json":"https://pith.science/api/pith-number/O7MM4DP2H7O5OMIYVZYJDXPRLX/events.json","paper":"https://pith.science/paper/O7MM4DP2"},"agent_actions":{"view_html":"https://pith.science/pith/O7MM4DP2H7O5OMIYVZYJDXPRLX","download_json":"https://pith.science/pith/O7MM4DP2H7O5OMIYVZYJDXPRLX.json","view_paper":"https://pith.science/paper/O7MM4DP2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=cond-mat/0612158&json=true","fetch_graph":"https://pith.science/api/pith-number/O7MM4DP2H7O5OMIYVZYJDXPRLX/graph.json","fetch_events":"https://pith.science/api/pith-number/O7MM4DP2H7O5OMIYVZYJDXPRLX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/O7MM4DP2H7O5OMIYVZYJDXPRLX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/O7MM4DP2H7O5OMIYVZYJDXPRLX/action/storage_attestation","attest_author":"https://pith.science/pith/O7MM4DP2H7O5OMIYVZYJDXPRLX/action/author_attestation","sign_citation":"https://pith.science/pith/O7MM4DP2H7O5OMIYVZYJDXPRLX/action/citation_signature","submit_replication":"https://pith.science/pith/O7MM4DP2H7O5OMIYVZYJDXPRLX/action/replication_record"}},"created_at":"2026-05-18T04:38:57.384919+00:00","updated_at":"2026-05-18T04:38:57.384919+00:00"}