{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:NAHU3WTXHGCV7WH4XKVWROYEHO","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":"44ad0123af2491b3fff1344e07d3edbb5f4174ebe9800b259fd0d89cccbcc27d","cross_cats_sorted":["hep-ex","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2013-09-03T21:47:36Z","title_canon_sha256":"c42ac1c81c1ae09ef0dbcec1fcb253a0d42992b724fc1d24ae3af45a64573279"},"schema_version":"1.0","source":{"id":"1309.0850","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1309.0850","created_at":"2026-05-18T03:14:16Z"},{"alias_kind":"arxiv_version","alias_value":"1309.0850v1","created_at":"2026-05-18T03:14:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.0850","created_at":"2026-05-18T03:14:16Z"},{"alias_kind":"pith_short_12","alias_value":"NAHU3WTXHGCV","created_at":"2026-05-18T12:27:52Z"},{"alias_kind":"pith_short_16","alias_value":"NAHU3WTXHGCV7WH4","created_at":"2026-05-18T12:27:52Z"},{"alias_kind":"pith_short_8","alias_value":"NAHU3WTX","created_at":"2026-05-18T12:27:52Z"}],"graph_snapshots":[{"event_id":"sha256:2f78af86d724a4cc11c0eaeec25e4d0cf98e924f68ade7d8b7cbcbf7c54d097b","target":"graph","created_at":"2026-05-18T03:14:16Z","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 present lattice results for the a_0(980) state using a variational approach with a variety of creation operators: quark-antiquark, mesonic molecule, diquark-antidiquark as well as two-meson type. Focus is put on recent technical advances, in particular the computation of singly disconnected diagrams.","authors_text":"Abdou Abdel-Rehim, Carsten Urbach, Constantia Alexandrou, Giannis Koutsou, Luigi Scorzato, Marc Wagner, Mario Gravina, Mattia Dalla Brida","cross_cats":["hep-ex","hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2013-09-03T21:47:36Z","title":"Study of the a_0(980) on the lattice"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.0850","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:dd4aa9b8feb1a56cbda50bc8a6b5e4256e2ada09c655c85cc86f5a7a1cb87cd7","target":"record","created_at":"2026-05-18T03:14:16Z","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":"44ad0123af2491b3fff1344e07d3edbb5f4174ebe9800b259fd0d89cccbcc27d","cross_cats_sorted":["hep-ex","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2013-09-03T21:47:36Z","title_canon_sha256":"c42ac1c81c1ae09ef0dbcec1fcb253a0d42992b724fc1d24ae3af45a64573279"},"schema_version":"1.0","source":{"id":"1309.0850","kind":"arxiv","version":1}},"canonical_sha256":"680f4dda7739855fd8fcbaab68bb043b88b88954a17c583ff11e8b0f7956a11a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"680f4dda7739855fd8fcbaab68bb043b88b88954a17c583ff11e8b0f7956a11a","first_computed_at":"2026-05-18T03:14:16.727416Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:14:16.727416Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9WgU4Gewd1iYDIUiNlKESjzJyDRi0WylHNUJIAfaG9vzrXsfbT/EcqGDB6x+ww97UIt7bNJP/P/k7Ql+ig/sAg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:14:16.728257Z","signed_message":"canonical_sha256_bytes"},"source_id":"1309.0850","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dd4aa9b8feb1a56cbda50bc8a6b5e4256e2ada09c655c85cc86f5a7a1cb87cd7","sha256:2f78af86d724a4cc11c0eaeec25e4d0cf98e924f68ade7d8b7cbcbf7c54d097b"],"state_sha256":"3c190abcb615dde147d47312ca8aba56e1f437a728cd763c3fc822c8ac4e58a3"}