{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:NH7A2Q7JI4QIVTMQXDMQZ5TUZO","short_pith_number":"pith:NH7A2Q7J","canonical_record":{"source":{"id":"2008.00737","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-08-03T09:33:54Z","cross_cats_sorted":["hep-ex","hep-lat","nucl-ex","nucl-th"],"title_canon_sha256":"64f43df22235f0b89b5d94d7210440d0236ffa8d3a0b7b66e6e7c3b20fd18a63","abstract_canon_sha256":"65d9726123e6aa6a9bde8afe500f5dddda247095156f8bb5e67be6270cbb4259"},"schema_version":"1.0"},"canonical_sha256":"69fe0d43e947208acd90b8d90cf674cba72833e4528b913b3d919c7aa9af2554","source":{"kind":"arxiv","id":"2008.00737","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2008.00737","created_at":"2026-07-05T03:01:33Z"},{"alias_kind":"arxiv_version","alias_value":"2008.00737v2","created_at":"2026-07-05T03:01:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2008.00737","created_at":"2026-07-05T03:01:33Z"},{"alias_kind":"pith_short_12","alias_value":"NH7A2Q7JI4QI","created_at":"2026-07-05T03:01:33Z"},{"alias_kind":"pith_short_16","alias_value":"NH7A2Q7JI4QIVTMQ","created_at":"2026-07-05T03:01:33Z"},{"alias_kind":"pith_short_8","alias_value":"NH7A2Q7J","created_at":"2026-07-05T03:01:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:NH7A2Q7JI4QIVTMQXDMQZ5TUZO","target":"record","payload":{"canonical_record":{"source":{"id":"2008.00737","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-08-03T09:33:54Z","cross_cats_sorted":["hep-ex","hep-lat","nucl-ex","nucl-th"],"title_canon_sha256":"64f43df22235f0b89b5d94d7210440d0236ffa8d3a0b7b66e6e7c3b20fd18a63","abstract_canon_sha256":"65d9726123e6aa6a9bde8afe500f5dddda247095156f8bb5e67be6270cbb4259"},"schema_version":"1.0"},"canonical_sha256":"69fe0d43e947208acd90b8d90cf674cba72833e4528b913b3d919c7aa9af2554","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:01:33.470719Z","signature_b64":"eCszbX61/FHbCRyo8a+KOc+hSl7719Va4+XW7oQFWZf5legLWXbfjtWneOPt5QpLefbyR62m44OC2OPAcmJFDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"69fe0d43e947208acd90b8d90cf674cba72833e4528b913b3d919c7aa9af2554","last_reissued_at":"2026-07-05T03:01:33.470352Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:01:33.470352Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2008.00737","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T03:01:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GQEjn9FCIg/6P/hRhVGws8z8+AWLp3bhblLIMyPYKxnaTXSslaAdIuTCqGJpux0MUKj0OyDzwwqVBdSmHausAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T19:57:38.504556Z"},"content_sha256":"342bfcf22dd48a5fc47b2b4b88fe9d6b58ec798d4583f6c82bc205a2e8f0067f","schema_version":"1.0","event_id":"sha256:342bfcf22dd48a5fc47b2b4b88fe9d6b58ec798d4583f6c82bc205a2e8f0067f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:NH7A2Q7JI4QIVTMQXDMQZ5TUZO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Double-heavy tetraquark states with heavy diquark-antiquark symmetry","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","hep-lat","nucl-ex","nucl-th"],"primary_cat":"hep-ph","authors_text":"Jian-Bo Cheng, Shi-Yuan Li, Tao Yao, Yan-Rui Liu, Zong-Guo Si","submitted_at":"2020-08-03T09:33:54Z","abstract_excerpt":"We calculate the masses of the $QQ\\bar{q}\\bar{q}$ ($Q=c,b$; $q=u,d,s$) tetraquark states with the aid of heavy diquark-antiquark symmetry (HDAS) and the chromomagnetic interaction (CMI) model. The masses of the highest-spin ($J=2$) tetraquarks that have only the $(QQ)_{\\bar{3}_c}(\\bar{q}\\bar{q})_{3_c}$ color structure are related with those of conventional hadrons using HDAS. Thereafter, the masses of their partner states are determined with the mass splittings in the CMI model. Our numerical results reveal that: (i) the lightest $cc\\bar{n}\\bar{n}$ ($n=u,d$) is an $I(J^P)=0(1^+)$ state around "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2008.00737","kind":"arxiv","version":2},"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/2008.00737/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T03:01:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XZ0LCiURm/CwaSWCJxkkU7BQntzD+RzKdCUfF1XqZrGK1kpiL/FzEd/ru9jcZGy/eV1eSZv4aEdhaj88F2KyBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T19:57:38.504878Z"},"content_sha256":"a1495a92d287042d7345f3d2d60e3c01a8f375627af45457344bc24c94f62937","schema_version":"1.0","event_id":"sha256:a1495a92d287042d7345f3d2d60e3c01a8f375627af45457344bc24c94f62937"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NH7A2Q7JI4QIVTMQXDMQZ5TUZO/bundle.json","state_url":"https://pith.science/pith/NH7A2Q7JI4QIVTMQXDMQZ5TUZO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NH7A2Q7JI4QIVTMQXDMQZ5TUZO/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-14T19:57:38Z","links":{"resolver":"https://pith.science/pith/NH7A2Q7JI4QIVTMQXDMQZ5TUZO","bundle":"https://pith.science/pith/NH7A2Q7JI4QIVTMQXDMQZ5TUZO/bundle.json","state":"https://pith.science/pith/NH7A2Q7JI4QIVTMQXDMQZ5TUZO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NH7A2Q7JI4QIVTMQXDMQZ5TUZO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:NH7A2Q7JI4QIVTMQXDMQZ5TUZO","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":"65d9726123e6aa6a9bde8afe500f5dddda247095156f8bb5e67be6270cbb4259","cross_cats_sorted":["hep-ex","hep-lat","nucl-ex","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-08-03T09:33:54Z","title_canon_sha256":"64f43df22235f0b89b5d94d7210440d0236ffa8d3a0b7b66e6e7c3b20fd18a63"},"schema_version":"1.0","source":{"id":"2008.00737","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2008.00737","created_at":"2026-07-05T03:01:33Z"},{"alias_kind":"arxiv_version","alias_value":"2008.00737v2","created_at":"2026-07-05T03:01:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2008.00737","created_at":"2026-07-05T03:01:33Z"},{"alias_kind":"pith_short_12","alias_value":"NH7A2Q7JI4QI","created_at":"2026-07-05T03:01:33Z"},{"alias_kind":"pith_short_16","alias_value":"NH7A2Q7JI4QIVTMQ","created_at":"2026-07-05T03:01:33Z"},{"alias_kind":"pith_short_8","alias_value":"NH7A2Q7J","created_at":"2026-07-05T03:01:33Z"}],"graph_snapshots":[{"event_id":"sha256:a1495a92d287042d7345f3d2d60e3c01a8f375627af45457344bc24c94f62937","target":"graph","created_at":"2026-07-05T03:01:33Z","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/2008.00737/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We calculate the masses of the $QQ\\bar{q}\\bar{q}$ ($Q=c,b$; $q=u,d,s$) tetraquark states with the aid of heavy diquark-antiquark symmetry (HDAS) and the chromomagnetic interaction (CMI) model. The masses of the highest-spin ($J=2$) tetraquarks that have only the $(QQ)_{\\bar{3}_c}(\\bar{q}\\bar{q})_{3_c}$ color structure are related with those of conventional hadrons using HDAS. Thereafter, the masses of their partner states are determined with the mass splittings in the CMI model. Our numerical results reveal that: (i) the lightest $cc\\bar{n}\\bar{n}$ ($n=u,d$) is an $I(J^P)=0(1^+)$ state around ","authors_text":"Jian-Bo Cheng, Shi-Yuan Li, Tao Yao, Yan-Rui Liu, Zong-Guo Si","cross_cats":["hep-ex","hep-lat","nucl-ex","nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-08-03T09:33:54Z","title":"Double-heavy tetraquark states with heavy diquark-antiquark symmetry"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2008.00737","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":"sha256:342bfcf22dd48a5fc47b2b4b88fe9d6b58ec798d4583f6c82bc205a2e8f0067f","target":"record","created_at":"2026-07-05T03:01:33Z","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":"65d9726123e6aa6a9bde8afe500f5dddda247095156f8bb5e67be6270cbb4259","cross_cats_sorted":["hep-ex","hep-lat","nucl-ex","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-08-03T09:33:54Z","title_canon_sha256":"64f43df22235f0b89b5d94d7210440d0236ffa8d3a0b7b66e6e7c3b20fd18a63"},"schema_version":"1.0","source":{"id":"2008.00737","kind":"arxiv","version":2}},"canonical_sha256":"69fe0d43e947208acd90b8d90cf674cba72833e4528b913b3d919c7aa9af2554","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"69fe0d43e947208acd90b8d90cf674cba72833e4528b913b3d919c7aa9af2554","first_computed_at":"2026-07-05T03:01:33.470352Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:01:33.470352Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"eCszbX61/FHbCRyo8a+KOc+hSl7719Va4+XW7oQFWZf5legLWXbfjtWneOPt5QpLefbyR62m44OC2OPAcmJFDg==","signature_status":"signed_v1","signed_at":"2026-07-05T03:01:33.470719Z","signed_message":"canonical_sha256_bytes"},"source_id":"2008.00737","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:342bfcf22dd48a5fc47b2b4b88fe9d6b58ec798d4583f6c82bc205a2e8f0067f","sha256:a1495a92d287042d7345f3d2d60e3c01a8f375627af45457344bc24c94f62937"],"state_sha256":"a137d76a8250ba7f00d916e1c44f7832b8fd3a85ca126a976af3d9ff04386bd0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jD/rpaPPvGldfD/MDRMke2rAiE5vDhoTJkTYOe1K7fht3rDs+5TpFgYJVchJzu94GMKOxl9/cFR+rKFoqRzKCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T19:57:38.507122Z","bundle_sha256":"2fbb94dee63246128ede127c7eb8aafc26e604023ac9f16a322d0ac7c3ea7f04"}}