{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:3ZC2GK7XAD4EFGRN6G5EQPIEEE","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":"52cc275b9357491821bd89048e7338920af5f980d410c8668014bc642d67d554","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2015-02-03T15:00:22Z","title_canon_sha256":"e3a3e44a153a44d2e5972d35e3644ee3fe24b606de7ba860d10ad32ff515109e"},"schema_version":"1.0","source":{"id":"1502.00880","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.00880","created_at":"2026-05-18T02:19:27Z"},{"alias_kind":"arxiv_version","alias_value":"1502.00880v1","created_at":"2026-05-18T02:19:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.00880","created_at":"2026-05-18T02:19:27Z"},{"alias_kind":"pith_short_12","alias_value":"3ZC2GK7XAD4E","created_at":"2026-05-18T12:29:02Z"},{"alias_kind":"pith_short_16","alias_value":"3ZC2GK7XAD4EFGRN","created_at":"2026-05-18T12:29:02Z"},{"alias_kind":"pith_short_8","alias_value":"3ZC2GK7X","created_at":"2026-05-18T12:29:02Z"}],"graph_snapshots":[{"event_id":"sha256:29474308d1423942d2c8df54c61f2f084c4524e25100afe5c6d5de094441505c","target":"graph","created_at":"2026-05-18T02:19:27Z","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":"A systematic analysis of the near-threshold enhancement in the $\\bar pp$ invariant mass spectrum seen in the decay reactions $J/\\psi \\to x \\bar pp$ and $\\psi (3686) \\to x \\bar pp$ $(x = \\gamma,\\, \\omega,\\, \\rho,\\, \\pi,\\, \\eta)$ is presented. The enhancement is assumed to be due to the $\\bar NN$ final-state interaction (FSI) and the pertinent FSI effects are evaluated in an approach that is based on the distorted-wave Born approximation. For the $\\bar NN$ interaction a recent potential derived within chiral effective field theory and fitted to results of a partial-wave analysis of $\\bar pp$ sca","authors_text":"J. Haidenbauer, Ulf-G. Mei{\\ss}ner, Xian-Wei Kang","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2015-02-03T15:00:22Z","title":"On the near-threshold $\\bar pp$ invariant mass spectrum measured in $J/\\psi$ and $\\psi'$ decays"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.00880","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":"sha256:0782543b33623157f2d939e94844f86bd42fedb7b220e296fdd1c39d0ec46444","target":"record","created_at":"2026-05-18T02:19:27Z","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":"52cc275b9357491821bd89048e7338920af5f980d410c8668014bc642d67d554","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2015-02-03T15:00:22Z","title_canon_sha256":"e3a3e44a153a44d2e5972d35e3644ee3fe24b606de7ba860d10ad32ff515109e"},"schema_version":"1.0","source":{"id":"1502.00880","kind":"arxiv","version":1}},"canonical_sha256":"de45a32bf700f8429a2df1ba483d0421125460dab077a8918857a6a3d4fd5057","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"de45a32bf700f8429a2df1ba483d0421125460dab077a8918857a6a3d4fd5057","first_computed_at":"2026-05-18T02:19:27.653886Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:19:27.653886Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"snfSwT92uqZmxpr+YWHew18UoqlGuFsQ6MQ0yN0mEtez0/vYaczcgoyRoPi8IAQ2G4X9m1qJePXwS9dhWZ+ZCA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:19:27.654584Z","signed_message":"canonical_sha256_bytes"},"source_id":"1502.00880","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0782543b33623157f2d939e94844f86bd42fedb7b220e296fdd1c39d0ec46444","sha256:29474308d1423942d2c8df54c61f2f084c4524e25100afe5c6d5de094441505c"],"state_sha256":"01ceeb668a01ba725e03213bf74745e0677864a8aec19555e246e1c1666f65af"}