{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:B3XJCDC22D76IQ23B27WRNO2LB","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":"62d51dd77e11f6632ad967ec41b66aaf82b454c0f80962ecd1aa952a897d6f80","cross_cats_sorted":["hep-ex"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"hep-ph","submitted_at":"2021-03-24T12:31:38Z","title_canon_sha256":"6acc643b017fe73c1d5448db7b25b909f0ff1218b64a1872bf6c06ff9acd6032"},"schema_version":"1.0","source":{"id":"2103.13140","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2103.13140","created_at":"2026-07-05T02:48:36Z"},{"alias_kind":"arxiv_version","alias_value":"2103.13140v2","created_at":"2026-07-05T02:48:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2103.13140","created_at":"2026-07-05T02:48:36Z"},{"alias_kind":"pith_short_12","alias_value":"B3XJCDC22D76","created_at":"2026-07-05T02:48:36Z"},{"alias_kind":"pith_short_16","alias_value":"B3XJCDC22D76IQ23","created_at":"2026-07-05T02:48:36Z"},{"alias_kind":"pith_short_8","alias_value":"B3XJCDC2","created_at":"2026-07-05T02:48:36Z"}],"graph_snapshots":[{"event_id":"sha256:0a186fb180bc938ab8b0fa318a60b571ea904706a4fe0e2d00f0eb9e3e4e86b8","target":"graph","created_at":"2026-07-05T02:48:36Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2103.13140/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Recently LHCb declared a new structure $X(6900)$ in the final state di-$J/\\psi$ which is popularly regarded as a $cc$-$\\bar c\\bar c$ tetraquark state. %popularly. Within the Bethe-Salpeter (B-S) frame we study the possible $cc$-$\\bar c\\bar c$ bound states and the interaction between diquark ($cc$) and antidiquark ($\\bar c\\bar c$). In this work $cc$ ($\\bar c\\bar c$) is treated as a color anti-triplet (triplet) axial-vector so the quantum numbers of $cc$-$\\bar c\\bar c$ bound state are $0^+$, $1^+$ and $2^+$. Learning from the interaction in meson case and using the effective coupling we suggest ","authors_text":"Hong-Wei Ke, Xiao-Hai Liu, Xin Han, Yan-Liang Shi","cross_cats":["hep-ex"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"hep-ph","submitted_at":"2021-03-24T12:31:38Z","title":"Tetraquark state $X(6900)$ and the interaction between diquark and antidiquark"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2103.13140","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":"sha256:0584276c52efa082d49456eea6cfe6f1953450d2913376e07a87beb7f9e36fcf","target":"record","created_at":"2026-07-05T02:48:36Z","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":"62d51dd77e11f6632ad967ec41b66aaf82b454c0f80962ecd1aa952a897d6f80","cross_cats_sorted":["hep-ex"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"hep-ph","submitted_at":"2021-03-24T12:31:38Z","title_canon_sha256":"6acc643b017fe73c1d5448db7b25b909f0ff1218b64a1872bf6c06ff9acd6032"},"schema_version":"1.0","source":{"id":"2103.13140","kind":"arxiv","version":2}},"canonical_sha256":"0eee910c5ad0ffe4435b0ebf68b5da5877b0eda6b32532d47978f3871a1305a9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0eee910c5ad0ffe4435b0ebf68b5da5877b0eda6b32532d47978f3871a1305a9","first_computed_at":"2026-07-05T02:48:36.663453Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:48:36.663453Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ilRf5l2cXF3mNUdrnGDnM18pAQEF2PyN9JLvYKIfLdUwa3qEUPXhn1D1m4d4nSFRxoe+PdtQNUAX5v2RNB0zAw==","signature_status":"signed_v1","signed_at":"2026-07-05T02:48:36.663891Z","signed_message":"canonical_sha256_bytes"},"source_id":"2103.13140","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0584276c52efa082d49456eea6cfe6f1953450d2913376e07a87beb7f9e36fcf","sha256:0a186fb180bc938ab8b0fa318a60b571ea904706a4fe0e2d00f0eb9e3e4e86b8"],"state_sha256":"d844807cdfaed43b33e06bca8c77c87a927411e3c0b941e1fa41b5458271b226"}