{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2007:Z42THILDTSQ3WP3TPUA3KW4DGM","short_pith_number":"pith:Z42THILD","canonical_record":{"source":{"id":"0711.1192","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2007-11-08T02:59:35Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"c2afbfe4cdd4d0abb2b570087f6d63d5e70b876e35df35afa159ce4bece33b52","abstract_canon_sha256":"cb2858d0c43269749ccb2fdc5d70f22ac65b8e651505b26b74a7268041a0435d"},"schema_version":"1.0"},"canonical_sha256":"cf3533a1639ca1bb3f737d01b55b833316e499f8bf3833198c56c811cfe868fc","source":{"kind":"arxiv","id":"0711.1192","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0711.1192","created_at":"2026-05-18T02:16:09Z"},{"alias_kind":"arxiv_version","alias_value":"0711.1192v3","created_at":"2026-05-18T02:16:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0711.1192","created_at":"2026-05-18T02:16:09Z"},{"alias_kind":"pith_short_12","alias_value":"Z42THILDTSQ3","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_16","alias_value":"Z42THILDTSQ3WP3T","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_8","alias_value":"Z42THILD","created_at":"2026-05-18T12:25:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2007:Z42THILDTSQ3WP3TPUA3KW4DGM","target":"record","payload":{"canonical_record":{"source":{"id":"0711.1192","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2007-11-08T02:59:35Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"c2afbfe4cdd4d0abb2b570087f6d63d5e70b876e35df35afa159ce4bece33b52","abstract_canon_sha256":"cb2858d0c43269749ccb2fdc5d70f22ac65b8e651505b26b74a7268041a0435d"},"schema_version":"1.0"},"canonical_sha256":"cf3533a1639ca1bb3f737d01b55b833316e499f8bf3833198c56c811cfe868fc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:16:09.635875Z","signature_b64":"mqjKK1gs8oaZoavdyaXxU1RN/R8B+jNJ5Ir5Q6cGvE8BhZ1ml9ztgrlCfz41YsmyXscgVv7w1HpKEbzxseZ1Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cf3533a1639ca1bb3f737d01b55b833316e499f8bf3833198c56c811cfe868fc","last_reissued_at":"2026-05-18T02:16:09.635247Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:16:09.635247Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0711.1192","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:16:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"27HIO49ql2uh/LiLMOgBz+BIXOzphahr+lqIibfsvirObEMVYXsmqEv53h/AGjVEXu/1COBYPfSWEpfXdFW8AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T21:35:32.900228Z"},"content_sha256":"7bd35ccd9a3a9f5ce0204878fe8ad19a75ad25705ad193fd4954b172a5a3d9ca","schema_version":"1.0","event_id":"sha256:7bd35ccd9a3a9f5ce0204878fe8ad19a75ad25705ad193fd4954b172a5a3d9ca"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2007:Z42THILDTSQ3WP3TPUA3KW4DGM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Superfluid Density in High-$T_c$ Superconductors: Enabled by Holes or Suppressed by Electrons?","license":"","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"cond-mat.str-el","authors_text":"A.A. Burkov, A.H. MacDonald, Jairo Sinova, Wei-Cheng Lee, Yogesh Joglekar","submitted_at":"2007-11-08T02:59:35Z","abstract_excerpt":"The critical temperature of an underdoped cuprate superconductor is limited by its phase stiffness $\\rho$. In this Letter we argue that the dependence of $\\rho$ on doping $x$ should be understood as a consequence of deleterious competition with antiferromagnetism at large electron densities, rather than as evidence for pairing of holes in the $x =0$ Mott insulator state. Our proposal is based on the observation that the correlation energy of a d-wave superconductor increases in magnitude at finite pairing wavevector when antiferromagnetic fluctuations are strong."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0711.1192","kind":"arxiv","version":3},"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":"2026-05-18T02:16:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3Sche0KnlfO6WrRwri/z53FZ3aztzHJtleD0LL61QSdmpGZbXj0gDQ4eSeZCyEWm18cEYRiJoF3fY9mRBXlWDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T21:35:32.900933Z"},"content_sha256":"b39352f40e11ee999c18f480c457e23ab7dafe176789150853c06b6b949e2ad7","schema_version":"1.0","event_id":"sha256:b39352f40e11ee999c18f480c457e23ab7dafe176789150853c06b6b949e2ad7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Z42THILDTSQ3WP3TPUA3KW4DGM/bundle.json","state_url":"https://pith.science/pith/Z42THILDTSQ3WP3TPUA3KW4DGM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Z42THILDTSQ3WP3TPUA3KW4DGM/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":"2026-06-11T21:35:32Z","links":{"resolver":"https://pith.science/pith/Z42THILDTSQ3WP3TPUA3KW4DGM","bundle":"https://pith.science/pith/Z42THILDTSQ3WP3TPUA3KW4DGM/bundle.json","state":"https://pith.science/pith/Z42THILDTSQ3WP3TPUA3KW4DGM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Z42THILDTSQ3WP3TPUA3KW4DGM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:Z42THILDTSQ3WP3TPUA3KW4DGM","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":"cb2858d0c43269749ccb2fdc5d70f22ac65b8e651505b26b74a7268041a0435d","cross_cats_sorted":["cond-mat.supr-con"],"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2007-11-08T02:59:35Z","title_canon_sha256":"c2afbfe4cdd4d0abb2b570087f6d63d5e70b876e35df35afa159ce4bece33b52"},"schema_version":"1.0","source":{"id":"0711.1192","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0711.1192","created_at":"2026-05-18T02:16:09Z"},{"alias_kind":"arxiv_version","alias_value":"0711.1192v3","created_at":"2026-05-18T02:16:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0711.1192","created_at":"2026-05-18T02:16:09Z"},{"alias_kind":"pith_short_12","alias_value":"Z42THILDTSQ3","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_16","alias_value":"Z42THILDTSQ3WP3T","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_8","alias_value":"Z42THILD","created_at":"2026-05-18T12:25:56Z"}],"graph_snapshots":[{"event_id":"sha256:b39352f40e11ee999c18f480c457e23ab7dafe176789150853c06b6b949e2ad7","target":"graph","created_at":"2026-05-18T02:16:09Z","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":"The critical temperature of an underdoped cuprate superconductor is limited by its phase stiffness $\\rho$. In this Letter we argue that the dependence of $\\rho$ on doping $x$ should be understood as a consequence of deleterious competition with antiferromagnetism at large electron densities, rather than as evidence for pairing of holes in the $x =0$ Mott insulator state. Our proposal is based on the observation that the correlation energy of a d-wave superconductor increases in magnitude at finite pairing wavevector when antiferromagnetic fluctuations are strong.","authors_text":"A.A. Burkov, A.H. MacDonald, Jairo Sinova, Wei-Cheng Lee, Yogesh Joglekar","cross_cats":["cond-mat.supr-con"],"headline":"","license":"","primary_cat":"cond-mat.str-el","submitted_at":"2007-11-08T02:59:35Z","title":"Superfluid Density in High-$T_c$ Superconductors: Enabled by Holes or Suppressed by Electrons?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0711.1192","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":"sha256:7bd35ccd9a3a9f5ce0204878fe8ad19a75ad25705ad193fd4954b172a5a3d9ca","target":"record","created_at":"2026-05-18T02:16:09Z","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":"cb2858d0c43269749ccb2fdc5d70f22ac65b8e651505b26b74a7268041a0435d","cross_cats_sorted":["cond-mat.supr-con"],"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2007-11-08T02:59:35Z","title_canon_sha256":"c2afbfe4cdd4d0abb2b570087f6d63d5e70b876e35df35afa159ce4bece33b52"},"schema_version":"1.0","source":{"id":"0711.1192","kind":"arxiv","version":3}},"canonical_sha256":"cf3533a1639ca1bb3f737d01b55b833316e499f8bf3833198c56c811cfe868fc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cf3533a1639ca1bb3f737d01b55b833316e499f8bf3833198c56c811cfe868fc","first_computed_at":"2026-05-18T02:16:09.635247Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:16:09.635247Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mqjKK1gs8oaZoavdyaXxU1RN/R8B+jNJ5Ir5Q6cGvE8BhZ1ml9ztgrlCfz41YsmyXscgVv7w1HpKEbzxseZ1Cw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:16:09.635875Z","signed_message":"canonical_sha256_bytes"},"source_id":"0711.1192","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7bd35ccd9a3a9f5ce0204878fe8ad19a75ad25705ad193fd4954b172a5a3d9ca","sha256:b39352f40e11ee999c18f480c457e23ab7dafe176789150853c06b6b949e2ad7"],"state_sha256":"8b5c439abc64253ef61b4a75ccf42f930d58f0cd9c9e3e11c9cfe6eb91f64115"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TCAS5OGLnWoc1TIyCVd7C7OmQ8gS4/gyrLmloE0aPi4jIXfUj0DwKzf9AAUTDOKs+Cj74BxMIznLVoYpts8nDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T21:35:32.905748Z","bundle_sha256":"e6f640952ede636ce8c82615b0effe30e22d299e7ab6f7f48e88652b37894841"}}