{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1999:M7BZGOOQIXMV2SUSZJ3XSTOFQD","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":"0dbb527f97a8a24974a60df8aacc14bd810b57711f3e0e2feda59e064c9bee23","cross_cats_sorted":["cond-mat.supr-con"],"license":"","primary_cat":"cond-mat.str-el","submitted_at":"1999-03-16T19:37:42Z","title_canon_sha256":"ce7e451bc2e6bb8bb8c71a6673e0117bf10857173dbac45a950cfbeb6a44edde"},"schema_version":"1.0","source":{"id":"cond-mat/9903251","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/9903251","created_at":"2026-05-18T01:07:04Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/9903251v1","created_at":"2026-05-18T01:07:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/9903251","created_at":"2026-05-18T01:07:04Z"},{"alias_kind":"pith_short_12","alias_value":"M7BZGOOQIXMV","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"M7BZGOOQIXMV2SUS","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"M7BZGOOQ","created_at":"2026-05-18T12:25:49Z"}],"graph_snapshots":[{"event_id":"sha256:03f73b120e17d51b323d68f90f11e0be7742ee54e3cb7c956a7aee7ed13dbfbf","target":"graph","created_at":"2026-05-18T01:07:04Z","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 low-energy charge excitations of a doped antiferromagnetic ladder are modeled by a system of interacting spinless fermions that live on the same ladder. A relatively large spin gap is assumed to ``freeze out'' all spin fluctuations. We find that the formation of rung hole pairs coincides with the opening of a single-particle gap for charge excitations along chains and with the absence of coherent tunneling in between chains. We also find that such hole pairs condense into either a crystalline or superconducting state as a function of the binding energy.","authors_text":"J.P. Rodriguez","cross_cats":["cond-mat.supr-con"],"headline":"","license":"","primary_cat":"cond-mat.str-el","submitted_at":"1999-03-16T19:37:42Z","title":"Superconductivuty versus Tunneling in a Doped Antiferromagnetic Ladder"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/9903251","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":"sha256:073e062aeaa27ba619d858f8550d492e251eb423731d4275941aeecdcfc2ed57","target":"record","created_at":"2026-05-18T01:07:04Z","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":"0dbb527f97a8a24974a60df8aacc14bd810b57711f3e0e2feda59e064c9bee23","cross_cats_sorted":["cond-mat.supr-con"],"license":"","primary_cat":"cond-mat.str-el","submitted_at":"1999-03-16T19:37:42Z","title_canon_sha256":"ce7e451bc2e6bb8bb8c71a6673e0117bf10857173dbac45a950cfbeb6a44edde"},"schema_version":"1.0","source":{"id":"cond-mat/9903251","kind":"arxiv","version":1}},"canonical_sha256":"67c39339d045d95d4a92ca77794dc580c3520aa3009b611496dc3bc15d07b89f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"67c39339d045d95d4a92ca77794dc580c3520aa3009b611496dc3bc15d07b89f","first_computed_at":"2026-05-18T01:07:04.822197Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:07:04.822197Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hvUxRJSSrPfnrE1X152xk/7P0bayE8GeOQ0LnVfH2+cN+p69hOopdlxBKvcAVF5FUkVr4i5p7HCXl0iaa1S1Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:07:04.822903Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/9903251","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:073e062aeaa27ba619d858f8550d492e251eb423731d4275941aeecdcfc2ed57","sha256:03f73b120e17d51b323d68f90f11e0be7742ee54e3cb7c956a7aee7ed13dbfbf"],"state_sha256":"47edce98b57e1318a1c07694f816504d697f6275a0c96b7219c68c38e6b6e18f"}