{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:E6YXTNTIZMGMRHG2DU4DM6JJ72","short_pith_number":"pith:E6YXTNTI","canonical_record":{"source":{"id":"1503.02719","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-03-09T22:43:01Z","cross_cats_sorted":[],"title_canon_sha256":"26f73368d5a7bb05e7ff7046ded31c312039b8a787e7b2fda46518bbe7047688","abstract_canon_sha256":"6e59a3c8ce90d3293dd791f1ce34632b37b4748aefa1baaca2e41684093b0fde"},"schema_version":"1.0"},"canonical_sha256":"27b179b668cb0cc89cda1d38367929feb7579459c646fd145afb7b8030adfda5","source":{"kind":"arxiv","id":"1503.02719","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.02719","created_at":"2026-05-18T01:34:50Z"},{"alias_kind":"arxiv_version","alias_value":"1503.02719v3","created_at":"2026-05-18T01:34:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.02719","created_at":"2026-05-18T01:34:50Z"},{"alias_kind":"pith_short_12","alias_value":"E6YXTNTIZMGM","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_16","alias_value":"E6YXTNTIZMGMRHG2","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_8","alias_value":"E6YXTNTI","created_at":"2026-05-18T12:29:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:E6YXTNTIZMGMRHG2DU4DM6JJ72","target":"record","payload":{"canonical_record":{"source":{"id":"1503.02719","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-03-09T22:43:01Z","cross_cats_sorted":[],"title_canon_sha256":"26f73368d5a7bb05e7ff7046ded31c312039b8a787e7b2fda46518bbe7047688","abstract_canon_sha256":"6e59a3c8ce90d3293dd791f1ce34632b37b4748aefa1baaca2e41684093b0fde"},"schema_version":"1.0"},"canonical_sha256":"27b179b668cb0cc89cda1d38367929feb7579459c646fd145afb7b8030adfda5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:34:50.351895Z","signature_b64":"PAGWiKzS5XUyvPypEGGBsUfdtNcI5VnyhqVN+GKtyj2vUhTOARahAm3hQ1wSCR9TsWGmTGo+6frVso3eWMB/AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"27b179b668cb0cc89cda1d38367929feb7579459c646fd145afb7b8030adfda5","last_reissued_at":"2026-05-18T01:34:50.351470Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:34:50.351470Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1503.02719","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:34:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"s2M8BclSwWi0l9kiNmfd6+w+jjvyvABM9lQMAWgS/oqPg/1j85yLKAF8XhQ4iHarGK9pXzl7JlhOLNfWERwOBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T06:22:57.392895Z"},"content_sha256":"d952457ba6ecb33da8f865b757e251803696952b02c5cb6338666ced2d7ab151","schema_version":"1.0","event_id":"sha256:d952457ba6ecb33da8f865b757e251803696952b02c5cb6338666ced2d7ab151"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:E6YXTNTIZMGMRHG2DU4DM6JJ72","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hadronic Loops versus Factorization in EFT calculations of $X(3872) \\to \\chi_{cJ} \\pi^0$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Thomas Mehen (Duke U.)","submitted_at":"2015-03-09T22:43:01Z","abstract_excerpt":"We compare two existing approaches to calculating the decay of molecular quarkonium states to conventional quarkonia in effective field theory, using $X(3872) \\to \\chi_{cJ} \\pi^0$ as an example. In one approach the decay of the molecular quarkonium proceeds through a triangle diagram with charmed mesons in the loop. We argue this approach predicts excessively large rates for $\\Gamma[X(3872) \\to \\chi_{cJ}\\pi^0]$ unless both charged and neutral mesons are included and a cancellation between these contributions is arranged to suppress the decay rates. This cancellation occurs naturally if the $X("},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.02719","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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":"2026-05-18T01:34:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EWjHMwtIvJlk6b2KcLUZ6l9AovjhIRspRRUcuteBv9wbHNv1K3853/3gR+YKLude3qDZDghPg/lL3/AO49unDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T06:22:57.393556Z"},"content_sha256":"a45150513d9bee9bff1ce94cd532a40db85fcb7ff1e9a989db36f03e6ba3e4b3","schema_version":"1.0","event_id":"sha256:a45150513d9bee9bff1ce94cd532a40db85fcb7ff1e9a989db36f03e6ba3e4b3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/E6YXTNTIZMGMRHG2DU4DM6JJ72/bundle.json","state_url":"https://pith.science/pith/E6YXTNTIZMGMRHG2DU4DM6JJ72/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/E6YXTNTIZMGMRHG2DU4DM6JJ72/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":"2026-06-09T06:22:57Z","links":{"resolver":"https://pith.science/pith/E6YXTNTIZMGMRHG2DU4DM6JJ72","bundle":"https://pith.science/pith/E6YXTNTIZMGMRHG2DU4DM6JJ72/bundle.json","state":"https://pith.science/pith/E6YXTNTIZMGMRHG2DU4DM6JJ72/state.json","well_known_bundle":"https://pith.science/.well-known/pith/E6YXTNTIZMGMRHG2DU4DM6JJ72/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:E6YXTNTIZMGMRHG2DU4DM6JJ72","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":"6e59a3c8ce90d3293dd791f1ce34632b37b4748aefa1baaca2e41684093b0fde","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-03-09T22:43:01Z","title_canon_sha256":"26f73368d5a7bb05e7ff7046ded31c312039b8a787e7b2fda46518bbe7047688"},"schema_version":"1.0","source":{"id":"1503.02719","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.02719","created_at":"2026-05-18T01:34:50Z"},{"alias_kind":"arxiv_version","alias_value":"1503.02719v3","created_at":"2026-05-18T01:34:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.02719","created_at":"2026-05-18T01:34:50Z"},{"alias_kind":"pith_short_12","alias_value":"E6YXTNTIZMGM","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_16","alias_value":"E6YXTNTIZMGMRHG2","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_8","alias_value":"E6YXTNTI","created_at":"2026-05-18T12:29:19Z"}],"graph_snapshots":[{"event_id":"sha256:a45150513d9bee9bff1ce94cd532a40db85fcb7ff1e9a989db36f03e6ba3e4b3","target":"graph","created_at":"2026-05-18T01:34:50Z","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":"We compare two existing approaches to calculating the decay of molecular quarkonium states to conventional quarkonia in effective field theory, using $X(3872) \\to \\chi_{cJ} \\pi^0$ as an example. In one approach the decay of the molecular quarkonium proceeds through a triangle diagram with charmed mesons in the loop. We argue this approach predicts excessively large rates for $\\Gamma[X(3872) \\to \\chi_{cJ}\\pi^0]$ unless both charged and neutral mesons are included and a cancellation between these contributions is arranged to suppress the decay rates. This cancellation occurs naturally if the $X(","authors_text":"Thomas Mehen (Duke U.)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-03-09T22:43:01Z","title":"Hadronic Loops versus Factorization in EFT calculations of $X(3872) \\to \\chi_{cJ} \\pi^0$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.02719","kind":"arxiv","version":3},"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:d952457ba6ecb33da8f865b757e251803696952b02c5cb6338666ced2d7ab151","target":"record","created_at":"2026-05-18T01:34:50Z","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":"6e59a3c8ce90d3293dd791f1ce34632b37b4748aefa1baaca2e41684093b0fde","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-03-09T22:43:01Z","title_canon_sha256":"26f73368d5a7bb05e7ff7046ded31c312039b8a787e7b2fda46518bbe7047688"},"schema_version":"1.0","source":{"id":"1503.02719","kind":"arxiv","version":3}},"canonical_sha256":"27b179b668cb0cc89cda1d38367929feb7579459c646fd145afb7b8030adfda5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"27b179b668cb0cc89cda1d38367929feb7579459c646fd145afb7b8030adfda5","first_computed_at":"2026-05-18T01:34:50.351470Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:34:50.351470Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PAGWiKzS5XUyvPypEGGBsUfdtNcI5VnyhqVN+GKtyj2vUhTOARahAm3hQ1wSCR9TsWGmTGo+6frVso3eWMB/AQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:34:50.351895Z","signed_message":"canonical_sha256_bytes"},"source_id":"1503.02719","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d952457ba6ecb33da8f865b757e251803696952b02c5cb6338666ced2d7ab151","sha256:a45150513d9bee9bff1ce94cd532a40db85fcb7ff1e9a989db36f03e6ba3e4b3"],"state_sha256":"63c5ff495b8deb54aeb1e264c0e8a61a9dd95696e903ce57b4f3843bb42e0a8e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"py3jWSj7q+ox7JYkv74pHpEofNze3/mwe3xZ1CR/IlNK5hCTQQ29BpUYc8C92WEiKEATgo0gEMzQp+NugpywAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T06:22:57.397284Z","bundle_sha256":"e870bb534b00af2ed371f0fadd2985eee8862c651daabd0eec88934a17538395"}}