{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:7LSNNOM7FLWPH6UICZZ7JTIG7P","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":"d0662500e102072b4652de47a799998f6fe0435469b39c8f69940f49e242ae20","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-05-16T17:04:07Z","title_canon_sha256":"bd40e38f99a04c647c1e525a619c94b2e46c095021f86eeb0a9eed87e1c3685a"},"schema_version":"1.0","source":{"id":"1605.04839","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.04839","created_at":"2026-05-18T01:10:47Z"},{"alias_kind":"arxiv_version","alias_value":"1605.04839v2","created_at":"2026-05-18T01:10:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.04839","created_at":"2026-05-18T01:10:47Z"},{"alias_kind":"pith_short_12","alias_value":"7LSNNOM7FLWP","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_16","alias_value":"7LSNNOM7FLWPH6UI","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_8","alias_value":"7LSNNOM7","created_at":"2026-05-18T12:30:04Z"}],"graph_snapshots":[{"event_id":"sha256:140d15c004a009c9b5895dfee52f24e5425b3ec2008f75651a00bbb437a46ebc","target":"graph","created_at":"2026-05-18T01:10:47Z","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":"Diquarks are found to have the right degrees of freedom to describe the tetraquark poles in hidden-charm to open-charm meson-meson amplitudes. Compact tetraquarks result as intermediate states in non-planar diagrams of the 1/N expansion and the corresponding resonances are narrower than what estimated before. The proximity of tetraquarks to meson-thresholds has an apparent role in this analysis and, in the language of meson molecules, an halving rule in the counting of states is obtained.","authors_text":"A.D. Polosa, L. Maiani, V. Riquer","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-05-16T17:04:07Z","title":"Tetraquarks in the 1/N expansion and meson-meson resonances"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.04839","kind":"arxiv","version":2},"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":"sha256:82bb30063c6d9bdb817299dd26f60f069a10ea0b8ec039f7781fc9989c72414c","target":"record","created_at":"2026-05-18T01:10:47Z","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":"d0662500e102072b4652de47a799998f6fe0435469b39c8f69940f49e242ae20","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-05-16T17:04:07Z","title_canon_sha256":"bd40e38f99a04c647c1e525a619c94b2e46c095021f86eeb0a9eed87e1c3685a"},"schema_version":"1.0","source":{"id":"1605.04839","kind":"arxiv","version":2}},"canonical_sha256":"fae4d6b99f2aecf3fa881673f4cd06fbcaaf29da9c0971adef4b3385dca99790","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fae4d6b99f2aecf3fa881673f4cd06fbcaaf29da9c0971adef4b3385dca99790","first_computed_at":"2026-05-18T01:10:47.602812Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:10:47.602812Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"u32QZ5Kxc1m440Jgzb11NAvOmAVONMompX7YCWURA6lVbLdQhXI+0zIm7TSWFLnCY9qaMKVnGuMw6NBk5+QxDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:10:47.603347Z","signed_message":"canonical_sha256_bytes"},"source_id":"1605.04839","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:82bb30063c6d9bdb817299dd26f60f069a10ea0b8ec039f7781fc9989c72414c","sha256:140d15c004a009c9b5895dfee52f24e5425b3ec2008f75651a00bbb437a46ebc"],"state_sha256":"1229ffa04f4859c6ab956a079d83e80bf4f128353d8c655e39ed53ec968c9daf"}