{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1999:XUUMGGSRFOP2JPJWOYUT5A3B5U","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":"ad5cdbd49a3a4fbd4a36d9ae750e9df1ae3b7fd6d323311181d48142a8bd92d2","cross_cats_sorted":[],"license":"","primary_cat":"hep-lat","submitted_at":"1999-09-10T16:35:00Z","title_canon_sha256":"6bb60b7c9df403714c14023663356ddf8d6ff7f074db6a171473b37132b9d61a"},"schema_version":"1.0","source":{"id":"hep-lat/9909087","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-lat/9909087","created_at":"2026-05-18T01:39:10Z"},{"alias_kind":"arxiv_version","alias_value":"hep-lat/9909087v1","created_at":"2026-05-18T01:39:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-lat/9909087","created_at":"2026-05-18T01:39:10Z"},{"alias_kind":"pith_short_12","alias_value":"XUUMGGSRFOP2","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"XUUMGGSRFOP2JPJW","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"XUUMGGSR","created_at":"2026-05-18T12:25:49Z"}],"graph_snapshots":[{"event_id":"sha256:b2d8830a9c987e2f22ad36d44909f9066aacb45356c484761c35cbdf818677ef","target":"graph","created_at":"2026-05-18T01:39:10Z","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 study improved Kogut-Susskind fermion actions focusing on flavor symmetry restoration. Several variants of fat actions suitable for dynamical simulations are considered, including an action with no tree level order a-squared errors. The spectrum of all the pions is computed and used as a measure of flavor symmetry violation. Finally, the Naik term is introduced to restore rotational symmetry.","authors_text":"D. Toussaint, K. Orginos, R. Sugar","cross_cats":[],"headline":"","license":"","primary_cat":"hep-lat","submitted_at":"1999-09-10T16:35:00Z","title":"Improved flavor symmetry in Kogut-Susskind fermion actions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-lat/9909087","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:db7c03f1781af119a962bab29429ac6e6f471931de0eaa1c2387c46c824f5ab2","target":"record","created_at":"2026-05-18T01:39:10Z","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":"ad5cdbd49a3a4fbd4a36d9ae750e9df1ae3b7fd6d323311181d48142a8bd92d2","cross_cats_sorted":[],"license":"","primary_cat":"hep-lat","submitted_at":"1999-09-10T16:35:00Z","title_canon_sha256":"6bb60b7c9df403714c14023663356ddf8d6ff7f074db6a171473b37132b9d61a"},"schema_version":"1.0","source":{"id":"hep-lat/9909087","kind":"arxiv","version":1}},"canonical_sha256":"bd28c31a512b9fa4bd3676293e8361ed2bd7c0191d01ab5f6ddeed7d9c04b78b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bd28c31a512b9fa4bd3676293e8361ed2bd7c0191d01ab5f6ddeed7d9c04b78b","first_computed_at":"2026-05-18T01:39:10.827617Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:39:10.827617Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sR+DEgAyaDz1Z05ANAQ4NPh5ZieP6su9vpEFXjoYRH7Ce5IylOnbhtrlA2mF6f9KI1f4Az9abvJFa8+TLZJJBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:39:10.828033Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-lat/9909087","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:db7c03f1781af119a962bab29429ac6e6f471931de0eaa1c2387c46c824f5ab2","sha256:b2d8830a9c987e2f22ad36d44909f9066aacb45356c484761c35cbdf818677ef"],"state_sha256":"cdddbcf6e65ebf0da05b03f4ec6297e41196d3111765e4e0522c9ac27a3e8157"}