{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:SLJKUQFEALYIJCK53SLIAETIG3","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":"0f2ae215b7aba1531f7805e4f8ab7990172a65a4e984705be2f2acca6d2f3afb","cross_cats_sorted":[],"license":"","primary_cat":"hep-ex","submitted_at":"2003-08-10T01:03:50Z","title_canon_sha256":"13360cf0fee1d90f807b116e39a412055a41018f3a383a933afea9503929d26f"},"schema_version":"1.0","source":{"id":"hep-ex/0308029","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ex/0308029","created_at":"2026-05-18T01:39:15Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ex/0308029v1","created_at":"2026-05-18T01:39:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ex/0308029","created_at":"2026-05-18T01:39:15Z"},{"alias_kind":"pith_short_12","alias_value":"SLJKUQFEALYI","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"SLJKUQFEALYIJCK5","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"SLJKUQFE","created_at":"2026-05-18T12:25:52Z"}],"graph_snapshots":[{"event_id":"sha256:06d8c9952776d473e7ee977499fd811ff5ffcb904535aeb62d7dbddccce9448d","target":"graph","created_at":"2026-05-18T01:39:15Z","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 report the first observation of a narrow charmmonium state produced in the exclusive decay process B+->K+ pi+pi- J/psi. This state, which decays into pi+pi-J/psi, has a mass of 3871.8+-0.7(stat)+-0.4(syst) MeV, which is very near the M_D + M_D* mass threshold. The results are based on an analysis of 152M BBbar events collected at the Upsilon(4S) resonance in the Belle detector at the KEKB collider.","authors_text":"et al, The Belle Collaboration: K.Abe","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ex","submitted_at":"2003-08-10T01:03:50Z","title":"Observation of a New Narrow Charmonium State in Exclusive B+-->K+ pi+pi- J/psi Decays"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/0308029","kind":"arxiv","version":1},"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":"sha256:5457d876d092ec70477531a07d43560f88ec128f013054356143e35c4e39669f","target":"record","created_at":"2026-05-18T01:39:15Z","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":"0f2ae215b7aba1531f7805e4f8ab7990172a65a4e984705be2f2acca6d2f3afb","cross_cats_sorted":[],"license":"","primary_cat":"hep-ex","submitted_at":"2003-08-10T01:03:50Z","title_canon_sha256":"13360cf0fee1d90f807b116e39a412055a41018f3a383a933afea9503929d26f"},"schema_version":"1.0","source":{"id":"hep-ex/0308029","kind":"arxiv","version":1}},"canonical_sha256":"92d2aa40a402f084895ddc9680126836ec4f05be7440ce02c1e21d5153cb3c09","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"92d2aa40a402f084895ddc9680126836ec4f05be7440ce02c1e21d5153cb3c09","first_computed_at":"2026-05-18T01:39:15.812329Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:39:15.812329Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cFwIATHSKB7t3ERGIJxF4X3sHhIrzkYgLqICYeQ6EJD71VWSizM9ljE5TWL5iPm96hqOY1vfc+iRUzDX4I1GBg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:39:15.812869Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ex/0308029","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5457d876d092ec70477531a07d43560f88ec128f013054356143e35c4e39669f","sha256:06d8c9952776d473e7ee977499fd811ff5ffcb904535aeb62d7dbddccce9448d"],"state_sha256":"7664a9085fbe63ceaabdc1d1381ecdd6cba9c89006b74048ba1e9ea4b5051fc5"}