{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:LJ2GAORBKZSDUGCXL22RNM5CZZ","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":"eb84e838b5a1b084959458a58acf5f2794d4142950e89eb7294b30cc4116ee1f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"physics.acc-ph","submitted_at":"2015-02-05T19:35:46Z","title_canon_sha256":"ec6d6e8a62c0d825924cfa311b823282b78939e6461547a4044f5f35773128a5"},"schema_version":"1.0","source":{"id":"1502.01688","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.01688","created_at":"2026-05-18T02:27:51Z"},{"alias_kind":"arxiv_version","alias_value":"1502.01688v1","created_at":"2026-05-18T02:27:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.01688","created_at":"2026-05-18T02:27:51Z"},{"alias_kind":"pith_short_12","alias_value":"LJ2GAORBKZSD","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_16","alias_value":"LJ2GAORBKZSDUGCX","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_8","alias_value":"LJ2GAORB","created_at":"2026-05-18T12:29:29Z"}],"graph_snapshots":[{"event_id":"sha256:f9bd62d157125b4e6359649c44b07c10af7296e1805795b131846f4361cfb075","target":"graph","created_at":"2026-05-18T02:27:51Z","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":"At Integrable Optics Test Accelerator it is possible to create a nonlinear focusing optics with one invariant of motion using just conventional magnets. 6D simulations show that this will allow to achieve a tune spread of 0.05 without significant reduction of dynamic aperture.","authors_text":"A. Valishev (Fermilab), S.A. Antipov (Chicago U.) S. Nagaitsev","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"physics.acc-ph","submitted_at":"2015-02-05T19:35:46Z","title":"Quasi-Integrable Nonlinear Optics Experiment at IOTA"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.01688","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:ae5268ad43711c32f9e51a37401047a2a6a8b5186cd486c18c8d2bc812cf4fad","target":"record","created_at":"2026-05-18T02:27:51Z","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":"eb84e838b5a1b084959458a58acf5f2794d4142950e89eb7294b30cc4116ee1f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"physics.acc-ph","submitted_at":"2015-02-05T19:35:46Z","title_canon_sha256":"ec6d6e8a62c0d825924cfa311b823282b78939e6461547a4044f5f35773128a5"},"schema_version":"1.0","source":{"id":"1502.01688","kind":"arxiv","version":1}},"canonical_sha256":"5a74603a2156643a18575eb516b3a2ce50f2bd5001bb594fb69b359948cc25d6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5a74603a2156643a18575eb516b3a2ce50f2bd5001bb594fb69b359948cc25d6","first_computed_at":"2026-05-18T02:27:51.521618Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:27:51.521618Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CGXsIMssCEWQS/FFoNPlgv1RTLWoLhpveyUd4Sto4fvYtAD4mY1JLLHHfaSk+drNx+IQq0ttXIWatTcGWJXhAA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:27:51.522160Z","signed_message":"canonical_sha256_bytes"},"source_id":"1502.01688","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ae5268ad43711c32f9e51a37401047a2a6a8b5186cd486c18c8d2bc812cf4fad","sha256:f9bd62d157125b4e6359649c44b07c10af7296e1805795b131846f4361cfb075"],"state_sha256":"9a8cb344d8286d426b855854aa42f2e4306c07b902a0ae74404ff30a25f6ce2b"}