{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:X4SQUIMYUSOT2IHYXPJCHFJAIQ","short_pith_number":"pith:X4SQUIMY","canonical_record":{"source":{"id":"cond-mat/0611291","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"2006-11-10T19:44:58Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"a54debbdc3584b31f127210d19d4a2300af54f75902d5d5860a50e70344f410e","abstract_canon_sha256":"be418beab0ee13c26208e1a5bb956414e0e616e0255c7d07f81ab3ab3c379e71"},"schema_version":"1.0"},"canonical_sha256":"bf250a2198a49d3d20f8bbd2239520441ca59d9f3d7eab772816a49da7b5b742","source":{"kind":"arxiv","id":"cond-mat/0611291","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0611291","created_at":"2026-07-04T17:01:17Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0611291v1","created_at":"2026-07-04T17:01:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0611291","created_at":"2026-07-04T17:01:17Z"},{"alias_kind":"pith_short_12","alias_value":"X4SQUIMYUSOT","created_at":"2026-07-04T17:01:17Z"},{"alias_kind":"pith_short_16","alias_value":"X4SQUIMYUSOT2IHY","created_at":"2026-07-04T17:01:17Z"},{"alias_kind":"pith_short_8","alias_value":"X4SQUIMY","created_at":"2026-07-04T17:01:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:X4SQUIMYUSOT2IHYXPJCHFJAIQ","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/0611291","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"2006-11-10T19:44:58Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"a54debbdc3584b31f127210d19d4a2300af54f75902d5d5860a50e70344f410e","abstract_canon_sha256":"be418beab0ee13c26208e1a5bb956414e0e616e0255c7d07f81ab3ab3c379e71"},"schema_version":"1.0"},"canonical_sha256":"bf250a2198a49d3d20f8bbd2239520441ca59d9f3d7eab772816a49da7b5b742","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:01:17.356652Z","signature_b64":"f+83ZwF1gXCmwWKBX1BT5bMTtXB/vIJLfSg8et+L/EfSPf3FY955caf68kjZiRuQGycAR3jenxwz2FpEmNY0Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bf250a2198a49d3d20f8bbd2239520441ca59d9f3d7eab772816a49da7b5b742","last_reissued_at":"2026-07-04T17:01:17.356263Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:01:17.356263Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/0611291","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T17:01:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/V2bQ1mjLxKB2E0/ALYCPq9DLfyqpRL3bXHKMPp7XMvyJz/7+whxsDJnFCj6Zwc/gcA3QLBnoNYpawCR5rbJDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T04:54:57.169870Z"},"content_sha256":"1fe86b538b0780a30bffb42a9dfc9725b3c40a695829a1c01ab67ac82c1a7b3c","schema_version":"1.0","event_id":"sha256:1fe86b538b0780a30bffb42a9dfc9725b3c40a695829a1c01ab67ac82c1a7b3c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:X4SQUIMYUSOT2IHYXPJCHFJAIQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Anomalous Fermi-Surface Dependent Pairing in a Self-Doped High-Tc Superconductor","license":"","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.supr-con","authors_text":"Akira Iyo, Donghui Lu, Hiroshi Eisaki, Thomas P. Devereaux, Wanli Yang, Xingjiang Zhou, Yulin Chen, Zahid Hussain, Z.-X. Shen","submitted_at":"2006-11-10T19:44:58Z","abstract_excerpt":"We report the discovery of a self-doped multi-layer high Tc superconductor Ba2Ca3Cu4O8F2(F0234) which contains distinctly different superconducting gap magnitudes along its two Fermi surface(FS) sheets. While formal valence counting would imply this material to be an undoped insulator, it is a self-doped superconductor with a Tc of 60K, possessing simultaneously both electron- and hole-doped FS sheets. Intriguingly, the FS sheet characterized by the much larger gap is the electron-doped one, which has a shape disfavoring two electronic features considered to be important for the pairing mechan"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0611291","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/cond-mat/0611291/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T17:01:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cfmx79MXUKKZoeKnQuLUy/ZPqpczx5DuTLRRMyCixGIqiFYq5RaItY0fJ2j4i9KUqbalPJ7JjOEtbwHLfWiqAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T04:54:57.170560Z"},"content_sha256":"08e5aa7b832093d09c0c67e17b0699311d8b810448ce2d59453e0195c055aa89","schema_version":"1.0","event_id":"sha256:08e5aa7b832093d09c0c67e17b0699311d8b810448ce2d59453e0195c055aa89"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/X4SQUIMYUSOT2IHYXPJCHFJAIQ/bundle.json","state_url":"https://pith.science/pith/X4SQUIMYUSOT2IHYXPJCHFJAIQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/X4SQUIMYUSOT2IHYXPJCHFJAIQ/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":"2026-07-07T04:54:57Z","links":{"resolver":"https://pith.science/pith/X4SQUIMYUSOT2IHYXPJCHFJAIQ","bundle":"https://pith.science/pith/X4SQUIMYUSOT2IHYXPJCHFJAIQ/bundle.json","state":"https://pith.science/pith/X4SQUIMYUSOT2IHYXPJCHFJAIQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/X4SQUIMYUSOT2IHYXPJCHFJAIQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:X4SQUIMYUSOT2IHYXPJCHFJAIQ","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":"be418beab0ee13c26208e1a5bb956414e0e616e0255c7d07f81ab3ab3c379e71","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"2006-11-10T19:44:58Z","title_canon_sha256":"a54debbdc3584b31f127210d19d4a2300af54f75902d5d5860a50e70344f410e"},"schema_version":"1.0","source":{"id":"cond-mat/0611291","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0611291","created_at":"2026-07-04T17:01:17Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0611291v1","created_at":"2026-07-04T17:01:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0611291","created_at":"2026-07-04T17:01:17Z"},{"alias_kind":"pith_short_12","alias_value":"X4SQUIMYUSOT","created_at":"2026-07-04T17:01:17Z"},{"alias_kind":"pith_short_16","alias_value":"X4SQUIMYUSOT2IHY","created_at":"2026-07-04T17:01:17Z"},{"alias_kind":"pith_short_8","alias_value":"X4SQUIMY","created_at":"2026-07-04T17:01:17Z"}],"graph_snapshots":[{"event_id":"sha256:08e5aa7b832093d09c0c67e17b0699311d8b810448ce2d59453e0195c055aa89","target":"graph","created_at":"2026-07-04T17:01:17Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/cond-mat/0611291/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We report the discovery of a self-doped multi-layer high Tc superconductor Ba2Ca3Cu4O8F2(F0234) which contains distinctly different superconducting gap magnitudes along its two Fermi surface(FS) sheets. While formal valence counting would imply this material to be an undoped insulator, it is a self-doped superconductor with a Tc of 60K, possessing simultaneously both electron- and hole-doped FS sheets. Intriguingly, the FS sheet characterized by the much larger gap is the electron-doped one, which has a shape disfavoring two electronic features considered to be important for the pairing mechan","authors_text":"Akira Iyo, Donghui Lu, Hiroshi Eisaki, Thomas P. Devereaux, Wanli Yang, Xingjiang Zhou, Yulin Chen, Zahid Hussain, Z.-X. Shen","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"","primary_cat":"cond-mat.supr-con","submitted_at":"2006-11-10T19:44:58Z","title":"Anomalous Fermi-Surface Dependent Pairing in a Self-Doped High-Tc Superconductor"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0611291","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":"sha256:1fe86b538b0780a30bffb42a9dfc9725b3c40a695829a1c01ab67ac82c1a7b3c","target":"record","created_at":"2026-07-04T17:01:17Z","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":"be418beab0ee13c26208e1a5bb956414e0e616e0255c7d07f81ab3ab3c379e71","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"2006-11-10T19:44:58Z","title_canon_sha256":"a54debbdc3584b31f127210d19d4a2300af54f75902d5d5860a50e70344f410e"},"schema_version":"1.0","source":{"id":"cond-mat/0611291","kind":"arxiv","version":1}},"canonical_sha256":"bf250a2198a49d3d20f8bbd2239520441ca59d9f3d7eab772816a49da7b5b742","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bf250a2198a49d3d20f8bbd2239520441ca59d9f3d7eab772816a49da7b5b742","first_computed_at":"2026-07-04T17:01:17.356263Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:01:17.356263Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"f+83ZwF1gXCmwWKBX1BT5bMTtXB/vIJLfSg8et+L/EfSPf3FY955caf68kjZiRuQGycAR3jenxwz2FpEmNY0Ag==","signature_status":"signed_v1","signed_at":"2026-07-04T17:01:17.356652Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0611291","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1fe86b538b0780a30bffb42a9dfc9725b3c40a695829a1c01ab67ac82c1a7b3c","sha256:08e5aa7b832093d09c0c67e17b0699311d8b810448ce2d59453e0195c055aa89"],"state_sha256":"756115fc19ae6e1e3081ccb07b3266706725a808897b2c4f5b25d4439ea36f5d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"53pS7GNagsyk+tlA5Izv20RB2GLEeqgwBdQv4BYbNpPPsxsoolk0WHnx8T2d02XBouVfV8LLY+9JFUZsqe4YBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T04:54:57.173977Z","bundle_sha256":"3ae3879a6d079ccc67a458eb5d95ced3d616af1a4d108b83cd8874cea9255805"}}