{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:R3476NFCE2H445RMFLZSCJSNM7","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":"4ae482eaba2cb5af30dd7b3c04d7f981aaec31f7fcb9fbb859da1b5b431b0340","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-03-31T17:06:41Z","title_canon_sha256":"c253c20b5ab5b3e2c04da05c166585db5bc1e9d19c7555e5c4364987f5ff74e9"},"schema_version":"1.0","source":{"id":"1403.8090","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1403.8090","created_at":"2026-05-18T02:48:09Z"},{"alias_kind":"arxiv_version","alias_value":"1403.8090v1","created_at":"2026-05-18T02:48:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1403.8090","created_at":"2026-05-18T02:48:09Z"},{"alias_kind":"pith_short_12","alias_value":"R3476NFCE2H4","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_16","alias_value":"R3476NFCE2H445RM","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_8","alias_value":"R3476NFC","created_at":"2026-05-18T12:28:46Z"}],"graph_snapshots":[{"event_id":"sha256:328e3888d9b5dc507657c495f3fc7d9dcf8021d7e7c5991ca19bfed23a982a2e","target":"graph","created_at":"2026-05-18T02:48:09Z","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":"Weinberg recently pointed out a flaw in the standard argument that large $N_c$ QCD with color-fundamental quarks [QCD(F)] cannot yield narrow tetraquark states. In particular, he observed that the argument does not rule out narrow tetraquarks associated with the leading-order connected diagrams; such tetraquarks would have a width scaling as $N_c^{-1}$. It is shown here, however, that while the standard analysis of tetraquarks does not rule them out, a more thorough analysis rules out quantum-number exotic tetraquarks associated with the leading-order connected diagrams. This analysis is based","authors_text":"Richard F. Lebed, Thomas D. Cohen","cross_cats":["nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-03-31T17:06:41Z","title":"Are There Tetraquarks at Large $N_c$ in QCD(F)?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.8090","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":"sha256:7f0bb39135fd71bf24f5259ae6d4c8067ea9e00d83cfd49609fe35ced542ce1b","target":"record","created_at":"2026-05-18T02:48:09Z","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":"4ae482eaba2cb5af30dd7b3c04d7f981aaec31f7fcb9fbb859da1b5b431b0340","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-03-31T17:06:41Z","title_canon_sha256":"c253c20b5ab5b3e2c04da05c166585db5bc1e9d19c7555e5c4364987f5ff74e9"},"schema_version":"1.0","source":{"id":"1403.8090","kind":"arxiv","version":1}},"canonical_sha256":"8ef9ff34a2268fce762c2af321264d67db5d82009770cbff79f6a78611f09303","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8ef9ff34a2268fce762c2af321264d67db5d82009770cbff79f6a78611f09303","first_computed_at":"2026-05-18T02:48:09.414500Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:48:09.414500Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"35Vh5mpxBG+g1lel38e3UPRvr27YYlR4KiJbiuo2pLmKX9r8s2gxJ/uVytwoi9uNdp15g8JSl6E7ORZBEBdACw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:48:09.414896Z","signed_message":"canonical_sha256_bytes"},"source_id":"1403.8090","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7f0bb39135fd71bf24f5259ae6d4c8067ea9e00d83cfd49609fe35ced542ce1b","sha256:328e3888d9b5dc507657c495f3fc7d9dcf8021d7e7c5991ca19bfed23a982a2e"],"state_sha256":"f40ea8383a6639ced9bd9862c4a03a19d35cbe5ce2f922fc2e86a87b2811875b"}