{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:HJIZ7GWDW3HKCYYZKBM2XY7V6Q","short_pith_number":"pith:HJIZ7GWD","schema_version":"1.0","canonical_sha256":"3a519f9ac3b6cea163195059abe3f5f42cf7213d89f08e22a40616da9b54b579","source":{"kind":"arxiv","id":"2211.00951","version":1},"attestation_state":"computed","paper":{"title":"Antiheavy-Antiheavy-Light-Light Four-Quark Bound States","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-lat","authors_text":"Constantia Alexandrou, Jacob Finkenrath, Marc Wagner, Martin Pflaumer, Stefan Meinel, Theodoros Leontiou","submitted_at":"2022-11-02T08:18:48Z","abstract_excerpt":"We present our recent results on antiheavy-antiheavy-light-light tetraquark systems using lattice QCD. Our study of the $ \\bar{b}\\bar{b}us $ four-quark system with quantum numbers $ J^P=1^+ $ and the $ \\bar{b}\\bar{c}ud $ four-quark systems with $ I(J^P)=0(0^+) $ and $ I(J^P)=0(1^+) $ utilizes scattering operators at the sink to improve the extraction of the low-lying energy levels. We found a bound state for $ \\bar{b}\\bar{b}us $ with $ E_{\\textrm{bind},\\bar{b}\\bar{b}us} = (-86 \\pm 22 \\pm 10)\\,\\textrm{MeV} $, but no indication for a bound state in both $ \\bar{b}\\bar{c}ud $ channels. Moreover, w"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2211.00951","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2022-11-02T08:18:48Z","cross_cats_sorted":[],"title_canon_sha256":"337d09833b6a1323c2e6e6c6ef83212371cc54260091e9ee2da9a21d7fcefd81","abstract_canon_sha256":"29152563c3f3a4a2d05395f507133245810d4a2cf4eab459cba3a4ccb609d635"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:12:36.855271Z","signature_b64":"b+XgcO+aZ2vpG/QXfOFayNj7ciO0PUcXjKozz/67TIkAxGltF5hKdUvGuYGOpBv6EyK504Kv4cokECY9Qq7bAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3a519f9ac3b6cea163195059abe3f5f42cf7213d89f08e22a40616da9b54b579","last_reissued_at":"2026-07-05T05:12:36.854833Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:12:36.854833Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Antiheavy-Antiheavy-Light-Light Four-Quark Bound States","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-lat","authors_text":"Constantia Alexandrou, Jacob Finkenrath, Marc Wagner, Martin Pflaumer, Stefan Meinel, Theodoros Leontiou","submitted_at":"2022-11-02T08:18:48Z","abstract_excerpt":"We present our recent results on antiheavy-antiheavy-light-light tetraquark systems using lattice QCD. Our study of the $ \\bar{b}\\bar{b}us $ four-quark system with quantum numbers $ J^P=1^+ $ and the $ \\bar{b}\\bar{c}ud $ four-quark systems with $ I(J^P)=0(0^+) $ and $ I(J^P)=0(1^+) $ utilizes scattering operators at the sink to improve the extraction of the low-lying energy levels. We found a bound state for $ \\bar{b}\\bar{b}us $ with $ E_{\\textrm{bind},\\bar{b}\\bar{b}us} = (-86 \\pm 22 \\pm 10)\\,\\textrm{MeV} $, but no indication for a bound state in both $ \\bar{b}\\bar{c}ud $ channels. Moreover, w"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2211.00951","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2211.00951/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"2211.00951","created_at":"2026-07-05T05:12:36.854898+00:00"},{"alias_kind":"arxiv_version","alias_value":"2211.00951v1","created_at":"2026-07-05T05:12:36.854898+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2211.00951","created_at":"2026-07-05T05:12:36.854898+00:00"},{"alias_kind":"pith_short_12","alias_value":"HJIZ7GWDW3HK","created_at":"2026-07-05T05:12:36.854898+00:00"},{"alias_kind":"pith_short_16","alias_value":"HJIZ7GWDW3HKCYYZ","created_at":"2026-07-05T05:12:36.854898+00:00"},{"alias_kind":"pith_short_8","alias_value":"HJIZ7GWD","created_at":"2026-07-05T05:12:36.854898+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2502.04701","citing_title":"Lattice perspectives on doubly heavy tetraquarks","ref_index":161,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/HJIZ7GWDW3HKCYYZKBM2XY7V6Q","json":"https://pith.science/pith/HJIZ7GWDW3HKCYYZKBM2XY7V6Q.json","graph_json":"https://pith.science/api/pith-number/HJIZ7GWDW3HKCYYZKBM2XY7V6Q/graph.json","events_json":"https://pith.science/api/pith-number/HJIZ7GWDW3HKCYYZKBM2XY7V6Q/events.json","paper":"https://pith.science/paper/HJIZ7GWD"},"agent_actions":{"view_html":"https://pith.science/pith/HJIZ7GWDW3HKCYYZKBM2XY7V6Q","download_json":"https://pith.science/pith/HJIZ7GWDW3HKCYYZKBM2XY7V6Q.json","view_paper":"https://pith.science/paper/HJIZ7GWD","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2211.00951&json=true","fetch_graph":"https://pith.science/api/pith-number/HJIZ7GWDW3HKCYYZKBM2XY7V6Q/graph.json","fetch_events":"https://pith.science/api/pith-number/HJIZ7GWDW3HKCYYZKBM2XY7V6Q/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/HJIZ7GWDW3HKCYYZKBM2XY7V6Q/action/timestamp_anchor","attest_storage":"https://pith.science/pith/HJIZ7GWDW3HKCYYZKBM2XY7V6Q/action/storage_attestation","attest_author":"https://pith.science/pith/HJIZ7GWDW3HKCYYZKBM2XY7V6Q/action/author_attestation","sign_citation":"https://pith.science/pith/HJIZ7GWDW3HKCYYZKBM2XY7V6Q/action/citation_signature","submit_replication":"https://pith.science/pith/HJIZ7GWDW3HKCYYZKBM2XY7V6Q/action/replication_record"}},"created_at":"2026-07-05T05:12:36.854898+00:00","updated_at":"2026-07-05T05:12:36.854898+00:00"}