{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:HKBT7BS6J4PGCY2BK55UKVJSPE","short_pith_number":"pith:HKBT7BS6","canonical_record":{"source":{"id":"2307.14128","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-lat","submitted_at":"2023-07-26T11:51:23Z","cross_cats_sorted":["hep-ex","hep-ph"],"title_canon_sha256":"c900a909f670e882e1dbd50ff28a3d67f5e39a826530c52cb37a4bd8012f184a","abstract_canon_sha256":"97e1fbc052e4fce1624570a53f44dc61f97b4cd22b5b3b7558c2a5694cc6f3fe"},"schema_version":"1.0"},"canonical_sha256":"3a833f865e4f1e616341577b455532791f69eae3a9d8278086fb69eb117296af","source":{"kind":"arxiv","id":"2307.14128","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2307.14128","created_at":"2026-07-05T08:22:32Z"},{"alias_kind":"arxiv_version","alias_value":"2307.14128v2","created_at":"2026-07-05T08:22:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.14128","created_at":"2026-07-05T08:22:32Z"},{"alias_kind":"pith_short_12","alias_value":"HKBT7BS6J4PG","created_at":"2026-07-05T08:22:32Z"},{"alias_kind":"pith_short_16","alias_value":"HKBT7BS6J4PGCY2B","created_at":"2026-07-05T08:22:32Z"},{"alias_kind":"pith_short_8","alias_value":"HKBT7BS6","created_at":"2026-07-05T08:22:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:HKBT7BS6J4PGCY2BK55UKVJSPE","target":"record","payload":{"canonical_record":{"source":{"id":"2307.14128","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-lat","submitted_at":"2023-07-26T11:51:23Z","cross_cats_sorted":["hep-ex","hep-ph"],"title_canon_sha256":"c900a909f670e882e1dbd50ff28a3d67f5e39a826530c52cb37a4bd8012f184a","abstract_canon_sha256":"97e1fbc052e4fce1624570a53f44dc61f97b4cd22b5b3b7558c2a5694cc6f3fe"},"schema_version":"1.0"},"canonical_sha256":"3a833f865e4f1e616341577b455532791f69eae3a9d8278086fb69eb117296af","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:22:32.636625Z","signature_b64":"8X8CB+wDlT4wAIL9QOJZrASdQKev4rbraCA+Ohj5dLUD26jxKJsgr6/EtiZAhjeBTrYUwdrtTyFbA8RBNkOlDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3a833f865e4f1e616341577b455532791f69eae3a9d8278086fb69eb117296af","last_reissued_at":"2026-07-05T08:22:32.636097Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:22:32.636097Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2307.14128","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":"2026-07-05T08:22:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2n53KJIaWTLAjAXbqYjaKdUlGNUOjSRN4Qsh2eIKeZW7oHP8lN3CXktFMj/lu9oUxA19bbGxMUlmR9D+wzUFDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T19:37:35.754432Z"},"content_sha256":"b8d9f460bf617d0628796f747757bb3a29d187a2d9f03e31b06cd4a01a0d734b","schema_version":"1.0","event_id":"sha256:b8d9f460bf617d0628796f747757bb3a29d187a2d9f03e31b06cd4a01a0d734b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:HKBT7BS6J4PGCY2BK55UKVJSPE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Bound isoscalar axial-vector $bc\\bar u\\bar d$ tetraquark $T_{bc}$ from lattice QCD using two-meson and diquark-antidiquark variational basis","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ex","hep-ph"],"primary_cat":"hep-lat","authors_text":"Archana Radhakrishnan, M. Padmanath, Nilmani Mathur","submitted_at":"2023-07-26T11:51:23Z","abstract_excerpt":"We report a lattice QCD study of the heavy-light meson-meson interactions with an explicitly exotic flavor content $bc\\bar u\\bar d$, isospin $I\\!=\\!0$, and axialvector $J^P=1^+$ quantum numbers in search of possible tetraquark bound states. The calculation is performed at four values of lattice spacing, ranging $\\sim$0.058 to $\\sim$0.12 fm, and at five different values of valence light quark mass $m_{u/d}$, corresponding to pseudoscalar meson mass $M_{ps}$ of about 0.5, 0.6, 0.7, 1.0, and 3.0 GeV. The energy eigenvalues in the finite-volume are determined through a variational procedure applie"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.14128","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/2307.14128/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":"2026-07-05T08:22:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"n2CscoxpO0hlYdLO6tMLd6xKA5U0lELYJALtoyWKb6/lSuZjnZ4Gm3QUNBZsovPG+18pP/ZG5Xux9IyXzuKTCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T19:37:35.754778Z"},"content_sha256":"3f6cf8ce7d3319cee961560b38444a55ec660b7dca26c3922025a7767599fa17","schema_version":"1.0","event_id":"sha256:3f6cf8ce7d3319cee961560b38444a55ec660b7dca26c3922025a7767599fa17"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HKBT7BS6J4PGCY2BK55UKVJSPE/bundle.json","state_url":"https://pith.science/pith/HKBT7BS6J4PGCY2BK55UKVJSPE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HKBT7BS6J4PGCY2BK55UKVJSPE/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":"2026-08-23T19:37:35Z","links":{"resolver":"https://pith.science/pith/HKBT7BS6J4PGCY2BK55UKVJSPE","bundle":"https://pith.science/pith/HKBT7BS6J4PGCY2BK55UKVJSPE/bundle.json","state":"https://pith.science/pith/HKBT7BS6J4PGCY2BK55UKVJSPE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HKBT7BS6J4PGCY2BK55UKVJSPE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:HKBT7BS6J4PGCY2BK55UKVJSPE","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":"97e1fbc052e4fce1624570a53f44dc61f97b4cd22b5b3b7558c2a5694cc6f3fe","cross_cats_sorted":["hep-ex","hep-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-lat","submitted_at":"2023-07-26T11:51:23Z","title_canon_sha256":"c900a909f670e882e1dbd50ff28a3d67f5e39a826530c52cb37a4bd8012f184a"},"schema_version":"1.0","source":{"id":"2307.14128","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2307.14128","created_at":"2026-07-05T08:22:32Z"},{"alias_kind":"arxiv_version","alias_value":"2307.14128v2","created_at":"2026-07-05T08:22:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.14128","created_at":"2026-07-05T08:22:32Z"},{"alias_kind":"pith_short_12","alias_value":"HKBT7BS6J4PG","created_at":"2026-07-05T08:22:32Z"},{"alias_kind":"pith_short_16","alias_value":"HKBT7BS6J4PGCY2B","created_at":"2026-07-05T08:22:32Z"},{"alias_kind":"pith_short_8","alias_value":"HKBT7BS6","created_at":"2026-07-05T08:22:32Z"}],"graph_snapshots":[{"event_id":"sha256:3f6cf8ce7d3319cee961560b38444a55ec660b7dca26c3922025a7767599fa17","target":"graph","created_at":"2026-07-05T08:22:32Z","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/2307.14128/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We report a lattice QCD study of the heavy-light meson-meson interactions with an explicitly exotic flavor content $bc\\bar u\\bar d$, isospin $I\\!=\\!0$, and axialvector $J^P=1^+$ quantum numbers in search of possible tetraquark bound states. The calculation is performed at four values of lattice spacing, ranging $\\sim$0.058 to $\\sim$0.12 fm, and at five different values of valence light quark mass $m_{u/d}$, corresponding to pseudoscalar meson mass $M_{ps}$ of about 0.5, 0.6, 0.7, 1.0, and 3.0 GeV. The energy eigenvalues in the finite-volume are determined through a variational procedure applie","authors_text":"Archana Radhakrishnan, M. Padmanath, Nilmani Mathur","cross_cats":["hep-ex","hep-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-lat","submitted_at":"2023-07-26T11:51:23Z","title":"Bound isoscalar axial-vector $bc\\bar u\\bar d$ tetraquark $T_{bc}$ from lattice QCD using two-meson and diquark-antidiquark variational basis"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.14128","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:b8d9f460bf617d0628796f747757bb3a29d187a2d9f03e31b06cd4a01a0d734b","target":"record","created_at":"2026-07-05T08:22:32Z","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":"97e1fbc052e4fce1624570a53f44dc61f97b4cd22b5b3b7558c2a5694cc6f3fe","cross_cats_sorted":["hep-ex","hep-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-lat","submitted_at":"2023-07-26T11:51:23Z","title_canon_sha256":"c900a909f670e882e1dbd50ff28a3d67f5e39a826530c52cb37a4bd8012f184a"},"schema_version":"1.0","source":{"id":"2307.14128","kind":"arxiv","version":2}},"canonical_sha256":"3a833f865e4f1e616341577b455532791f69eae3a9d8278086fb69eb117296af","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3a833f865e4f1e616341577b455532791f69eae3a9d8278086fb69eb117296af","first_computed_at":"2026-07-05T08:22:32.636097Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:22:32.636097Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8X8CB+wDlT4wAIL9QOJZrASdQKev4rbraCA+Ohj5dLUD26jxKJsgr6/EtiZAhjeBTrYUwdrtTyFbA8RBNkOlDg==","signature_status":"signed_v1","signed_at":"2026-07-05T08:22:32.636625Z","signed_message":"canonical_sha256_bytes"},"source_id":"2307.14128","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b8d9f460bf617d0628796f747757bb3a29d187a2d9f03e31b06cd4a01a0d734b","sha256:3f6cf8ce7d3319cee961560b38444a55ec660b7dca26c3922025a7767599fa17"],"state_sha256":"9e7138677b2ec5e7c236f6d257c8c9292f5af216c1c3841fa739598ec736ac12"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z3ADvpvjedQOL+aOBhmjvpAnmm6vh+vycIaKRG4cn/lZvpKb5j8EX1QhgQjI63vd7jQ4cwS9VHi2Jew8ukikBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T19:37:35.757788Z","bundle_sha256":"d0fb12e59ad27b9691b60dfe3fce68743dd497d0a2f8fcca0bd73c9670214645"}}