{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:3R5BABDGXBL7H2ZQJ5PAQES7HX","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":"beea7a1dd5a5492bfdcd53323af362eb27202f3da9db6d99651a1651613fe9fb","cross_cats_sorted":["math-ph","math.MP","nlin.SI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2013-07-29T20:03:33Z","title_canon_sha256":"eb1f661b8e684a2dcd958d2c8bbab0aac6c7d9bde67df8a6429ef84ec3ef6a18"},"schema_version":"1.0","source":{"id":"1307.7722","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1307.7722","created_at":"2026-05-18T01:48:33Z"},{"alias_kind":"arxiv_version","alias_value":"1307.7722v1","created_at":"2026-05-18T01:48:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.7722","created_at":"2026-05-18T01:48:33Z"},{"alias_kind":"pith_short_12","alias_value":"3R5BABDGXBL7","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_16","alias_value":"3R5BABDGXBL7H2ZQ","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_8","alias_value":"3R5BABDG","created_at":"2026-05-18T12:27:32Z"}],"graph_snapshots":[{"event_id":"sha256:b40c5dde48de27cbc917f8fda904c0242dd36cf26512b8e6d4ab193f7f730132","target":"graph","created_at":"2026-05-18T01:48:33Z","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 show that certain field theory models, although non-integrable according to the usual definition of integrability, share some of the features of integrable theories for certain configurations. Here we discuss our attempt to define a \"quasi-integrable theory\", through a concrete example: a deformation of the (integrable) sine-Gordon potential. The techniques used to describe and define this concept are both analytical and numerical. The zero-curvature representation and the abelianisation procedure commonly used in integrable field theories are adapted to this new case and we show that they ","authors_text":"G. Luchini, L. A. Ferreira, Wojtek J. Zakrzewski","cross_cats":["math-ph","math.MP","nlin.SI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2013-07-29T20:03:33Z","title":"The concept of quasi-integrability"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.7722","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:c8a15ac24eb3983a753f9b85e6f255596d4fd8872e5a1df8a2339490a1a062bf","target":"record","created_at":"2026-05-18T01:48:33Z","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":"beea7a1dd5a5492bfdcd53323af362eb27202f3da9db6d99651a1651613fe9fb","cross_cats_sorted":["math-ph","math.MP","nlin.SI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2013-07-29T20:03:33Z","title_canon_sha256":"eb1f661b8e684a2dcd958d2c8bbab0aac6c7d9bde67df8a6429ef84ec3ef6a18"},"schema_version":"1.0","source":{"id":"1307.7722","kind":"arxiv","version":1}},"canonical_sha256":"dc7a100466b857f3eb304f5e08125f3de0425f477dfff433db8fc117f2ce8d52","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dc7a100466b857f3eb304f5e08125f3de0425f477dfff433db8fc117f2ce8d52","first_computed_at":"2026-05-18T01:48:33.170626Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:48:33.170626Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QrKDw9uQyjEcaIpYd4klVRbrqgRffjfAfklkcJIPRtAbTLfbk9e4lfVogGvg2x6nsw+bQhyTJomKmo/UWzbbCw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:48:33.171209Z","signed_message":"canonical_sha256_bytes"},"source_id":"1307.7722","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c8a15ac24eb3983a753f9b85e6f255596d4fd8872e5a1df8a2339490a1a062bf","sha256:b40c5dde48de27cbc917f8fda904c0242dd36cf26512b8e6d4ab193f7f730132"],"state_sha256":"dd15547c962ca7caf917ee6915fb1353075c89c2aa2736eb2d584d4a0c9d1919"}