{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2005:MQDYFKH6KKKIFYAMGO2GCLLLQU","short_pith_number":"pith:MQDYFKH6","canonical_record":{"source":{"id":"hep-ex/0507019","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"hep-ex","submitted_at":"2005-07-04T15:47:25Z","cross_cats_sorted":[],"title_canon_sha256":"716294d5805e10c60e3bcb66f6c6e1dcaed6a774a4c7546fd52e28e22ddb62a3","abstract_canon_sha256":"9e3b0e86215036d77b7e4b5e3e143d299f70d97f3156b21cb767e9c8fbc8a5bb"},"schema_version":"1.0"},"canonical_sha256":"640782a8fe529482e00c33b4612d6b85291ee97f68c2d89316c8c7995700e450","source":{"kind":"arxiv","id":"hep-ex/0507019","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ex/0507019","created_at":"2026-07-04T17:24:11Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ex/0507019v3","created_at":"2026-07-04T17:24:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ex/0507019","created_at":"2026-07-04T17:24:11Z"},{"alias_kind":"pith_short_12","alias_value":"MQDYFKH6KKKI","created_at":"2026-07-04T17:24:11Z"},{"alias_kind":"pith_short_16","alias_value":"MQDYFKH6KKKIFYAM","created_at":"2026-07-04T17:24:11Z"},{"alias_kind":"pith_short_8","alias_value":"MQDYFKH6","created_at":"2026-07-04T17:24:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2005:MQDYFKH6KKKIFYAMGO2GCLLLQU","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ex/0507019","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"hep-ex","submitted_at":"2005-07-04T15:47:25Z","cross_cats_sorted":[],"title_canon_sha256":"716294d5805e10c60e3bcb66f6c6e1dcaed6a774a4c7546fd52e28e22ddb62a3","abstract_canon_sha256":"9e3b0e86215036d77b7e4b5e3e143d299f70d97f3156b21cb767e9c8fbc8a5bb"},"schema_version":"1.0"},"canonical_sha256":"640782a8fe529482e00c33b4612d6b85291ee97f68c2d89316c8c7995700e450","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:24:11.730755Z","signature_b64":"Z2lOPk6ou6Br06bLOoQX+0uUVcMnDFTvDQKCbQghnWGpus82P8EEgEKFHkCs0RoCVfAjsjuRbV/TBggeVg2ECw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"640782a8fe529482e00c33b4612d6b85291ee97f68c2d89316c8c7995700e450","last_reissued_at":"2026-07-04T17:24:11.730336Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:24:11.730336Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ex/0507019","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":"2026-07-04T17:24:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oe15/vzQz+o0VK2AtnfREpv99Ht9AHKC6FBTZm0zLVjpAkTNH8NI/SgoJoEQowFLJeKG1hce22lu3VeYGE52CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T03:43:05.152626Z"},"content_sha256":"786c6928e49c1b28ec1dcc5f50f02c2e41123adf697163c37ed7466562f242e1","schema_version":"1.0","event_id":"sha256:786c6928e49c1b28ec1dcc5f50f02c2e41123adf697163c37ed7466562f242e1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2005:MQDYFKH6KKKIFYAMGO2GCLLLQU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Observation of a new charmonium state in double charmonium production in e+ e- annihilation at \\sqrt{s} ~ 10.6 GeV","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"et al, The Belle Collaboration: K. Abe","submitted_at":"2005-07-04T15:47:25Z","abstract_excerpt":"We report the first observation of a new charmonium state at a mass of $(3.943 \\pm 0.006 \\pm 0.006) {GeV}/c^2$. This state, called X(3940), is observed in the process $e^+ e^- \\to J/\\psi X(3940)$ in the spectrum of masses recoiling against a reconstructed $J/\\psi$. We also observe the decay of the X(3940) into $D^* \\bar{D}$ and measure the intrinsic width of this state to be less than $52 MeV/c^2$ at the 90% C.L. These results are obtained from a $350 fb^{-1}$ data sample collected with the Belle detector near the $\\Upsilon(4S)$ resonance, at the KEKB asymmetric energy $e^+ e^-$ collider."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/0507019","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/hep-ex/0507019/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":"2026-07-04T17:24:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MIE/lJdk+n/mJlwG7yGRJJB4/vLXQYVWiY5T/M46yE5IU8m5ntiQmK22KY887aPR6lW+1i9iAQqhJLnnVfiEDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T03:43:05.153141Z"},"content_sha256":"f4a6ca95c580a0af794cc68b9e69f7093d9586fd18e03cfcd8d97bc1d941f32e","schema_version":"1.0","event_id":"sha256:f4a6ca95c580a0af794cc68b9e69f7093d9586fd18e03cfcd8d97bc1d941f32e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MQDYFKH6KKKIFYAMGO2GCLLLQU/bundle.json","state_url":"https://pith.science/pith/MQDYFKH6KKKIFYAMGO2GCLLLQU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MQDYFKH6KKKIFYAMGO2GCLLLQU/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":"2026-08-06T03:43:05Z","links":{"resolver":"https://pith.science/pith/MQDYFKH6KKKIFYAMGO2GCLLLQU","bundle":"https://pith.science/pith/MQDYFKH6KKKIFYAMGO2GCLLLQU/bundle.json","state":"https://pith.science/pith/MQDYFKH6KKKIFYAMGO2GCLLLQU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MQDYFKH6KKKIFYAMGO2GCLLLQU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:MQDYFKH6KKKIFYAMGO2GCLLLQU","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":"9e3b0e86215036d77b7e4b5e3e143d299f70d97f3156b21cb767e9c8fbc8a5bb","cross_cats_sorted":[],"license":"","primary_cat":"hep-ex","submitted_at":"2005-07-04T15:47:25Z","title_canon_sha256":"716294d5805e10c60e3bcb66f6c6e1dcaed6a774a4c7546fd52e28e22ddb62a3"},"schema_version":"1.0","source":{"id":"hep-ex/0507019","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ex/0507019","created_at":"2026-07-04T17:24:11Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ex/0507019v3","created_at":"2026-07-04T17:24:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ex/0507019","created_at":"2026-07-04T17:24:11Z"},{"alias_kind":"pith_short_12","alias_value":"MQDYFKH6KKKI","created_at":"2026-07-04T17:24:11Z"},{"alias_kind":"pith_short_16","alias_value":"MQDYFKH6KKKIFYAM","created_at":"2026-07-04T17:24:11Z"},{"alias_kind":"pith_short_8","alias_value":"MQDYFKH6","created_at":"2026-07-04T17:24:11Z"}],"graph_snapshots":[{"event_id":"sha256:f4a6ca95c580a0af794cc68b9e69f7093d9586fd18e03cfcd8d97bc1d941f32e","target":"graph","created_at":"2026-07-04T17:24:11Z","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/hep-ex/0507019/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We report the first observation of a new charmonium state at a mass of $(3.943 \\pm 0.006 \\pm 0.006) {GeV}/c^2$. This state, called X(3940), is observed in the process $e^+ e^- \\to J/\\psi X(3940)$ in the spectrum of masses recoiling against a reconstructed $J/\\psi$. We also observe the decay of the X(3940) into $D^* \\bar{D}$ and measure the intrinsic width of this state to be less than $52 MeV/c^2$ at the 90% C.L. These results are obtained from a $350 fb^{-1}$ data sample collected with the Belle detector near the $\\Upsilon(4S)$ resonance, at the KEKB asymmetric energy $e^+ e^-$ collider.","authors_text":"et al, The Belle Collaboration: K. Abe","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ex","submitted_at":"2005-07-04T15:47:25Z","title":"Observation of a new charmonium state in double charmonium production in e+ e- annihilation at \\sqrt{s} ~ 10.6 GeV"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/0507019","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":"sha256:786c6928e49c1b28ec1dcc5f50f02c2e41123adf697163c37ed7466562f242e1","target":"record","created_at":"2026-07-04T17:24:11Z","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":"9e3b0e86215036d77b7e4b5e3e143d299f70d97f3156b21cb767e9c8fbc8a5bb","cross_cats_sorted":[],"license":"","primary_cat":"hep-ex","submitted_at":"2005-07-04T15:47:25Z","title_canon_sha256":"716294d5805e10c60e3bcb66f6c6e1dcaed6a774a4c7546fd52e28e22ddb62a3"},"schema_version":"1.0","source":{"id":"hep-ex/0507019","kind":"arxiv","version":3}},"canonical_sha256":"640782a8fe529482e00c33b4612d6b85291ee97f68c2d89316c8c7995700e450","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"640782a8fe529482e00c33b4612d6b85291ee97f68c2d89316c8c7995700e450","first_computed_at":"2026-07-04T17:24:11.730336Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:24:11.730336Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Z2lOPk6ou6Br06bLOoQX+0uUVcMnDFTvDQKCbQghnWGpus82P8EEgEKFHkCs0RoCVfAjsjuRbV/TBggeVg2ECw==","signature_status":"signed_v1","signed_at":"2026-07-04T17:24:11.730755Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ex/0507019","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:786c6928e49c1b28ec1dcc5f50f02c2e41123adf697163c37ed7466562f242e1","sha256:f4a6ca95c580a0af794cc68b9e69f7093d9586fd18e03cfcd8d97bc1d941f32e"],"state_sha256":"92d19d2dd45234a4da497223c3d90c638d3cbf06f95b789def8f30091b5f2747"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RI0+WyjK+kFN1mUUB/MCfXAXNOauKNnvF96HZdilxUArH7HmFwN2YX4SwbfkJzdA4W4kWMR5Owed66N+r9C4Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T03:43:05.158662Z","bundle_sha256":"7be918fb899e8867db9988874a1bfa34ae805b8bd1d5608a0a1a58fca972fea0"}}