{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:EZK6VRXKLSCXWXYO7HQCAOE67C","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":"31b1f5f4d7fb255d6223a87087dbdb0bfec34798f8f22098669f2bbe4bd4be04","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-02-01T16:28:52Z","title_canon_sha256":"4ff85ae8768c0a9863162ec63c3abb7d103285206fdcb15f1e28bbb03e9222f2"},"schema_version":"1.0","source":{"id":"1202.0202","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.0202","created_at":"2026-05-18T03:23:11Z"},{"alias_kind":"arxiv_version","alias_value":"1202.0202v1","created_at":"2026-05-18T03:23:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.0202","created_at":"2026-05-18T03:23:11Z"},{"alias_kind":"pith_short_12","alias_value":"EZK6VRXKLSCX","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_16","alias_value":"EZK6VRXKLSCXWXYO","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_8","alias_value":"EZK6VRXK","created_at":"2026-05-18T12:27:04Z"}],"graph_snapshots":[{"event_id":"sha256:2461537cff24b3126880a87ea73603a630786070221d1222ce7b78e692895dda","target":"graph","created_at":"2026-05-18T03:23:11Z","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":"We consider the effects of Umklapp processes in doped two-leg fermionic ladders. These may emerge either at special band fillings or as a result of the presence of external periodic potentials. We show that such Umklapp processes can lead to profound changes of physical properties and in particular stabilize pair-density wave phases.","authors_text":"A. M. Tsvelik, E. Jeckelmann, F. H. L. Essler, N. J. Robinson","cross_cats":["cond-mat.supr-con"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-02-01T16:28:52Z","title":"Finite wave vector pairing in doped two-leg ladders"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.0202","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":"sha256:2e7856e23769c67759976428335f502caa7a634abf19857925d7de0b598506d3","target":"record","created_at":"2026-05-18T03:23:11Z","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":"31b1f5f4d7fb255d6223a87087dbdb0bfec34798f8f22098669f2bbe4bd4be04","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-02-01T16:28:52Z","title_canon_sha256":"4ff85ae8768c0a9863162ec63c3abb7d103285206fdcb15f1e28bbb03e9222f2"},"schema_version":"1.0","source":{"id":"1202.0202","kind":"arxiv","version":1}},"canonical_sha256":"2655eac6ea5c857b5f0ef9e020389ef895182e0c17092d24d651cabaa19a61cf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2655eac6ea5c857b5f0ef9e020389ef895182e0c17092d24d651cabaa19a61cf","first_computed_at":"2026-05-18T03:23:11.741558Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:23:11.741558Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"omCoFHx96O0axEwEZ8e6sND/uSYz0quQ6R/YJGxilSjkXUvRvtFx+UYIuW7nLTLtXfTjeDfCXEeABuBUwq/2Bg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:23:11.742145Z","signed_message":"canonical_sha256_bytes"},"source_id":"1202.0202","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2e7856e23769c67759976428335f502caa7a634abf19857925d7de0b598506d3","sha256:2461537cff24b3126880a87ea73603a630786070221d1222ce7b78e692895dda"],"state_sha256":"46b36c4fceea69dcb13534e3e3138884bebf5c57e824901b85c7dcb5d8ac6fd7"}