{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:ZZOGZ2BI2VF6HKM34A75HRTN45","short_pith_number":"pith:ZZOGZ2BI","canonical_record":{"source":{"id":"0906.5218","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2009-06-29T08:21:02Z","cross_cats_sorted":[],"title_canon_sha256":"8aeca688b378a166c4416c79ebd9ef32568f8e6a76bb0c2c84bfa3693a0285ed","abstract_canon_sha256":"f38e22bdb3a8c1257df5f3fd2d5e3871894834b65b1a436fae0bdceafdc08286"},"schema_version":"1.0"},"canonical_sha256":"ce5c6ce828d54be3a99be03fd3c66de761014f46abd453a3ae5613d6463bf7fa","source":{"kind":"arxiv","id":"0906.5218","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0906.5218","created_at":"2026-07-04T17:28:31Z"},{"alias_kind":"arxiv_version","alias_value":"0906.5218v2","created_at":"2026-07-04T17:28:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0906.5218","created_at":"2026-07-04T17:28:31Z"},{"alias_kind":"pith_short_12","alias_value":"ZZOGZ2BI2VF6","created_at":"2026-07-04T17:28:31Z"},{"alias_kind":"pith_short_16","alias_value":"ZZOGZ2BI2VF6HKM3","created_at":"2026-07-04T17:28:31Z"},{"alias_kind":"pith_short_8","alias_value":"ZZOGZ2BI","created_at":"2026-07-04T17:28:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:ZZOGZ2BI2VF6HKM34A75HRTN45","target":"record","payload":{"canonical_record":{"source":{"id":"0906.5218","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2009-06-29T08:21:02Z","cross_cats_sorted":[],"title_canon_sha256":"8aeca688b378a166c4416c79ebd9ef32568f8e6a76bb0c2c84bfa3693a0285ed","abstract_canon_sha256":"f38e22bdb3a8c1257df5f3fd2d5e3871894834b65b1a436fae0bdceafdc08286"},"schema_version":"1.0"},"canonical_sha256":"ce5c6ce828d54be3a99be03fd3c66de761014f46abd453a3ae5613d6463bf7fa","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:28:31.906406Z","signature_b64":"TqSbdq/hWWjIRW2YStWMjmXtl6sbjcOYGgZYwL/3l36DCypPxXTK7ucRLzjhgmZrPzwKVQDlOwV59j9bgiByDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ce5c6ce828d54be3a99be03fd3c66de761014f46abd453a3ae5613d6463bf7fa","last_reissued_at":"2026-07-04T17:28:31.906010Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:28:31.906010Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0906.5218","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":"2026-07-04T17:28:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"o1/81QekQUUlbMDps23nkIPUcRhrIXy5bUUoL4A+c4KTV8nFI7ceXlUqOiw4CSHwSIxnJGGjC2rLHSn0NsYhBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T10:08:52.456749Z"},"content_sha256":"dc0e34ca1cada5e46199213a156b55449ded2d2144404d8bc8c9043bd1018ddd","schema_version":"1.0","event_id":"sha256:dc0e34ca1cada5e46199213a156b55449ded2d2144404d8bc8c9043bd1018ddd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:ZZOGZ2BI2VF6HKM34A75HRTN45","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Precision Measurement of the X(3872) Mass in J/psi pi+ pi- Decays","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"et al, The CDF Collaboration: T. Aaltonen","submitted_at":"2009-06-29T08:21:02Z","abstract_excerpt":"We present an analysis of the mass of the X(3872) reconstructed via its decay to J/psi pi+ pi- using 2.4 fb^-1 of integrated luminosity from ppbar collisions at sqrt(s) = 1.96 TeV, collected with the CDF II detector at the Fermilab Tevatron. The possible existence of two nearby mass states is investigated. Within the limits of our experimental resolution the data are consistent with a single state, and having no evidence for two states we set upper limits on the mass difference between two hypothetical states for different assumed ratios of contributions to the observed peak. For equal contrib"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0906.5218","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/0906.5218/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":"2026-07-04T17:28:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6gZS9DbXtHsi9gREaGRb57xsZpfAYtAJ+hfnjB91YG2hJ/V3c908ZW6jNQxi4uJBg31bApnQn1eGsdZX7fGXDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T10:08:52.457490Z"},"content_sha256":"3af64c61f01bb4746daf0b6475e327af9921cee53eee165bb56b8b6f7ecf27ce","schema_version":"1.0","event_id":"sha256:3af64c61f01bb4746daf0b6475e327af9921cee53eee165bb56b8b6f7ecf27ce"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZZOGZ2BI2VF6HKM34A75HRTN45/bundle.json","state_url":"https://pith.science/pith/ZZOGZ2BI2VF6HKM34A75HRTN45/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZZOGZ2BI2VF6HKM34A75HRTN45/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":"2026-08-01T10:08:52Z","links":{"resolver":"https://pith.science/pith/ZZOGZ2BI2VF6HKM34A75HRTN45","bundle":"https://pith.science/pith/ZZOGZ2BI2VF6HKM34A75HRTN45/bundle.json","state":"https://pith.science/pith/ZZOGZ2BI2VF6HKM34A75HRTN45/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZZOGZ2BI2VF6HKM34A75HRTN45/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:ZZOGZ2BI2VF6HKM34A75HRTN45","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":"f38e22bdb3a8c1257df5f3fd2d5e3871894834b65b1a436fae0bdceafdc08286","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2009-06-29T08:21:02Z","title_canon_sha256":"8aeca688b378a166c4416c79ebd9ef32568f8e6a76bb0c2c84bfa3693a0285ed"},"schema_version":"1.0","source":{"id":"0906.5218","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0906.5218","created_at":"2026-07-04T17:28:31Z"},{"alias_kind":"arxiv_version","alias_value":"0906.5218v2","created_at":"2026-07-04T17:28:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0906.5218","created_at":"2026-07-04T17:28:31Z"},{"alias_kind":"pith_short_12","alias_value":"ZZOGZ2BI2VF6","created_at":"2026-07-04T17:28:31Z"},{"alias_kind":"pith_short_16","alias_value":"ZZOGZ2BI2VF6HKM3","created_at":"2026-07-04T17:28:31Z"},{"alias_kind":"pith_short_8","alias_value":"ZZOGZ2BI","created_at":"2026-07-04T17:28:31Z"}],"graph_snapshots":[{"event_id":"sha256:3af64c61f01bb4746daf0b6475e327af9921cee53eee165bb56b8b6f7ecf27ce","target":"graph","created_at":"2026-07-04T17:28:31Z","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/0906.5218/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present an analysis of the mass of the X(3872) reconstructed via its decay to J/psi pi+ pi- using 2.4 fb^-1 of integrated luminosity from ppbar collisions at sqrt(s) = 1.96 TeV, collected with the CDF II detector at the Fermilab Tevatron. The possible existence of two nearby mass states is investigated. Within the limits of our experimental resolution the data are consistent with a single state, and having no evidence for two states we set upper limits on the mass difference between two hypothetical states for different assumed ratios of contributions to the observed peak. For equal contrib","authors_text":"et al, The CDF Collaboration: T. Aaltonen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2009-06-29T08:21:02Z","title":"Precision Measurement of the X(3872) Mass in J/psi pi+ pi- Decays"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0906.5218","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:dc0e34ca1cada5e46199213a156b55449ded2d2144404d8bc8c9043bd1018ddd","target":"record","created_at":"2026-07-04T17:28:31Z","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":"f38e22bdb3a8c1257df5f3fd2d5e3871894834b65b1a436fae0bdceafdc08286","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2009-06-29T08:21:02Z","title_canon_sha256":"8aeca688b378a166c4416c79ebd9ef32568f8e6a76bb0c2c84bfa3693a0285ed"},"schema_version":"1.0","source":{"id":"0906.5218","kind":"arxiv","version":2}},"canonical_sha256":"ce5c6ce828d54be3a99be03fd3c66de761014f46abd453a3ae5613d6463bf7fa","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ce5c6ce828d54be3a99be03fd3c66de761014f46abd453a3ae5613d6463bf7fa","first_computed_at":"2026-07-04T17:28:31.906010Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:28:31.906010Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TqSbdq/hWWjIRW2YStWMjmXtl6sbjcOYGgZYwL/3l36DCypPxXTK7ucRLzjhgmZrPzwKVQDlOwV59j9bgiByDQ==","signature_status":"signed_v1","signed_at":"2026-07-04T17:28:31.906406Z","signed_message":"canonical_sha256_bytes"},"source_id":"0906.5218","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dc0e34ca1cada5e46199213a156b55449ded2d2144404d8bc8c9043bd1018ddd","sha256:3af64c61f01bb4746daf0b6475e327af9921cee53eee165bb56b8b6f7ecf27ce"],"state_sha256":"7dbb7756d474776a4d33cbc1d353216e11d409e9da086fcd92ad6f614cf612d0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gmhQxLWfZBYiXMKIvvakGHGlGVbmVxoD2TrY+LGQpV+8MVpMY5OHwk6Q3oH3gwUyvJRo5vG2PIxWNScT/SA1DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-01T10:08:52.469954Z","bundle_sha256":"137b7105c11fe0351cc4960ddb3f9f0b49c26bfb1d6825990a7480c9788e8069"}}