{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:XNIHIZT26D5QT67CZKYCVEUSBP","short_pith_number":"pith:XNIHIZT2","canonical_record":{"source":{"id":"1807.10428","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-07-27T04:05:45Z","cross_cats_sorted":[],"title_canon_sha256":"73355506e75301e1c3ebc00d1efd6740d156308b54ef3a47196f5335fd89ba08","abstract_canon_sha256":"4169cec16b8548783baedb16283bdbd68ed8dc8fe889911bd5c36c22c1c92ba6"},"schema_version":"1.0"},"canonical_sha256":"bb5074667af0fb09fbe2cab02a92920bd78ab4436ff27aae09104648b61308d9","source":{"kind":"arxiv","id":"1807.10428","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.10428","created_at":"2026-05-18T00:04:12Z"},{"alias_kind":"arxiv_version","alias_value":"1807.10428v2","created_at":"2026-05-18T00:04:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.10428","created_at":"2026-05-18T00:04:12Z"},{"alias_kind":"pith_short_12","alias_value":"XNIHIZT26D5Q","created_at":"2026-05-18T12:33:01Z"},{"alias_kind":"pith_short_16","alias_value":"XNIHIZT26D5QT67C","created_at":"2026-05-18T12:33:01Z"},{"alias_kind":"pith_short_8","alias_value":"XNIHIZT2","created_at":"2026-05-18T12:33:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:XNIHIZT26D5QT67CZKYCVEUSBP","target":"record","payload":{"canonical_record":{"source":{"id":"1807.10428","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-07-27T04:05:45Z","cross_cats_sorted":[],"title_canon_sha256":"73355506e75301e1c3ebc00d1efd6740d156308b54ef3a47196f5335fd89ba08","abstract_canon_sha256":"4169cec16b8548783baedb16283bdbd68ed8dc8fe889911bd5c36c22c1c92ba6"},"schema_version":"1.0"},"canonical_sha256":"bb5074667af0fb09fbe2cab02a92920bd78ab4436ff27aae09104648b61308d9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:04:12.687397Z","signature_b64":"bt75VnQz9qFp+y+owIFl4lS3CQB8JfTFinVZRwcLOhrBMaFe8wDqrzD2OqVIsBIeNkjE+UlEbtbHAhQTzyqwDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bb5074667af0fb09fbe2cab02a92920bd78ab4436ff27aae09104648b61308d9","last_reissued_at":"2026-05-18T00:04:12.686542Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:04:12.686542Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1807.10428","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":"2026-05-18T00:04:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zEgAen1bVTIM4IZSxAzc/SGhHAaVGsE2egs9stoEYQPplxRIdtSiklOTsBe9pKBOI8VpxVEJEjwpXnLMH7kEBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T12:10:48.422186Z"},"content_sha256":"f59dc78d1be9da430eb9878c93e00d3af1d3da92de64cffce0607ab7cd467bec","schema_version":"1.0","event_id":"sha256:f59dc78d1be9da430eb9878c93e00d3af1d3da92de64cffce0607ab7cd467bec"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:XNIHIZT26D5QT67CZKYCVEUSBP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the theory of high-$T_\\text{c}$ superconductivity of doped cuprates","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"V.M. Loktev, Y.G. Pogorelov","submitted_at":"2018-07-27T04:05:45Z","abstract_excerpt":"A theoretical analysis is presented on possible effects of disorder by dopants in high-temperature superconducting cuprate perovskites, to define their basic spectra of spin and electronic excitations, and the subsequent observable properties, especially doping dependence of superconducting order parameter. The central point in the proposed physical picture is formation of specific impurity subband within the insulating bandgap of initial undoped material, serving as a source for the system metallization and further transition into superconducting state with anisotropic order parameter."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.10428","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":"2026-05-18T00:04:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RCiZeH8/MKcDeFg9YOuScVgq820AzVrOuhmk6hxopY2I4wu52r31c8iLwHLUiY89Mkgnp5yfEQT9YCnEz/S7Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T12:10:48.422559Z"},"content_sha256":"90b0c2b96d80adbad406edb9e34fb57850598365f9f5f5b9443881df4b58bffa","schema_version":"1.0","event_id":"sha256:90b0c2b96d80adbad406edb9e34fb57850598365f9f5f5b9443881df4b58bffa"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XNIHIZT26D5QT67CZKYCVEUSBP/bundle.json","state_url":"https://pith.science/pith/XNIHIZT26D5QT67CZKYCVEUSBP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XNIHIZT26D5QT67CZKYCVEUSBP/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":"2026-06-01T12:10:48Z","links":{"resolver":"https://pith.science/pith/XNIHIZT26D5QT67CZKYCVEUSBP","bundle":"https://pith.science/pith/XNIHIZT26D5QT67CZKYCVEUSBP/bundle.json","state":"https://pith.science/pith/XNIHIZT26D5QT67CZKYCVEUSBP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XNIHIZT26D5QT67CZKYCVEUSBP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:XNIHIZT26D5QT67CZKYCVEUSBP","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":"4169cec16b8548783baedb16283bdbd68ed8dc8fe889911bd5c36c22c1c92ba6","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-07-27T04:05:45Z","title_canon_sha256":"73355506e75301e1c3ebc00d1efd6740d156308b54ef3a47196f5335fd89ba08"},"schema_version":"1.0","source":{"id":"1807.10428","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.10428","created_at":"2026-05-18T00:04:12Z"},{"alias_kind":"arxiv_version","alias_value":"1807.10428v2","created_at":"2026-05-18T00:04:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.10428","created_at":"2026-05-18T00:04:12Z"},{"alias_kind":"pith_short_12","alias_value":"XNIHIZT26D5Q","created_at":"2026-05-18T12:33:01Z"},{"alias_kind":"pith_short_16","alias_value":"XNIHIZT26D5QT67C","created_at":"2026-05-18T12:33:01Z"},{"alias_kind":"pith_short_8","alias_value":"XNIHIZT2","created_at":"2026-05-18T12:33:01Z"}],"graph_snapshots":[{"event_id":"sha256:90b0c2b96d80adbad406edb9e34fb57850598365f9f5f5b9443881df4b58bffa","target":"graph","created_at":"2026-05-18T00:04:12Z","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":"A theoretical analysis is presented on possible effects of disorder by dopants in high-temperature superconducting cuprate perovskites, to define their basic spectra of spin and electronic excitations, and the subsequent observable properties, especially doping dependence of superconducting order parameter. The central point in the proposed physical picture is formation of specific impurity subband within the insulating bandgap of initial undoped material, serving as a source for the system metallization and further transition into superconducting state with anisotropic order parameter.","authors_text":"V.M. Loktev, Y.G. Pogorelov","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-07-27T04:05:45Z","title":"On the theory of high-$T_\\text{c}$ superconductivity of doped cuprates"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.10428","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:f59dc78d1be9da430eb9878c93e00d3af1d3da92de64cffce0607ab7cd467bec","target":"record","created_at":"2026-05-18T00:04:12Z","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":"4169cec16b8548783baedb16283bdbd68ed8dc8fe889911bd5c36c22c1c92ba6","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-07-27T04:05:45Z","title_canon_sha256":"73355506e75301e1c3ebc00d1efd6740d156308b54ef3a47196f5335fd89ba08"},"schema_version":"1.0","source":{"id":"1807.10428","kind":"arxiv","version":2}},"canonical_sha256":"bb5074667af0fb09fbe2cab02a92920bd78ab4436ff27aae09104648b61308d9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bb5074667af0fb09fbe2cab02a92920bd78ab4436ff27aae09104648b61308d9","first_computed_at":"2026-05-18T00:04:12.686542Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:04:12.686542Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bt75VnQz9qFp+y+owIFl4lS3CQB8JfTFinVZRwcLOhrBMaFe8wDqrzD2OqVIsBIeNkjE+UlEbtbHAhQTzyqwDA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:04:12.687397Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.10428","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f59dc78d1be9da430eb9878c93e00d3af1d3da92de64cffce0607ab7cd467bec","sha256:90b0c2b96d80adbad406edb9e34fb57850598365f9f5f5b9443881df4b58bffa"],"state_sha256":"394c6ed97f2361f726fa90713cf6253f1defe84ecc67d61baf853e865e5a7221"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XFNnryYf5gtGi+OaXsam/c4Q5VDltWGd42zvGW2RlX7GojXrdVRZiCMD3elsc/zx81EXDMemRMcubUBfeXoiBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T12:10:48.424517Z","bundle_sha256":"61de86d57adf59533c7cb93719a07a7d327557440e2d6964113a6eac2700966d"}}