{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:WAB26TFISAKLI5H5CZSNPTBZ6R","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":"d59058291d66dd8dfe4d467a47f1fd1fb2da1dbfda0e190d10ff361f0c6789dc","cross_cats_sorted":["hep-ex","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2016-09-27T10:21:37Z","title_canon_sha256":"5d9d9a8fb0f5d03c253821a27846da86705d877e3322387d34f6c609c84bc802"},"schema_version":"1.0","source":{"id":"1609.08940","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.08940","created_at":"2026-05-18T00:45:58Z"},{"alias_kind":"arxiv_version","alias_value":"1609.08940v2","created_at":"2026-05-18T00:45:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.08940","created_at":"2026-05-18T00:45:58Z"},{"alias_kind":"pith_short_12","alias_value":"WAB26TFISAKL","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_16","alias_value":"WAB26TFISAKLI5H5","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_8","alias_value":"WAB26TFI","created_at":"2026-05-18T12:30:48Z"}],"graph_snapshots":[{"event_id":"sha256:3409f700d10cf1cbaafefc1f572663ec8ee7345b43a7dcc42a60513a955cfb72","target":"graph","created_at":"2026-05-18T00:45:58Z","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":"The existence of near-threshold charmed baryon $\\Lambda_c(2595)^+$ implies that the pion and the lightest, isospin-$1$ charmed baryon $\\Sigma_c$ interact very strongly at extremely low energies. Using the two-flavor version of heavy hadron chiral perturbation theory, I explore the direct consequences of this strong force by investigating whether the $\\Sigma_c$ can trap two very soft pions to form any visible hadronic states. The answer is positive. It is found without tuning any free parameters or ultraviolet cutoff that the state in question, with quantum numbers $I(J^P) = 1({\\frac{1}{2}}^+)$","authors_text":"Bingwei Long","cross_cats":["hep-ex","hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2016-09-27T10:21:37Z","title":"Three-body system of $\\pi \\pi \\Sigma_c$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.08940","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:b12422262c114b19a676f75d6cb8fc5232e6d0607a3a9c32245a0568aa46683f","target":"record","created_at":"2026-05-18T00:45:58Z","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":"d59058291d66dd8dfe4d467a47f1fd1fb2da1dbfda0e190d10ff361f0c6789dc","cross_cats_sorted":["hep-ex","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2016-09-27T10:21:37Z","title_canon_sha256":"5d9d9a8fb0f5d03c253821a27846da86705d877e3322387d34f6c609c84bc802"},"schema_version":"1.0","source":{"id":"1609.08940","kind":"arxiv","version":2}},"canonical_sha256":"b003af4ca89014b474fd1664d7cc39f47305a429236b90b1eee6b90d23a2126d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b003af4ca89014b474fd1664d7cc39f47305a429236b90b1eee6b90d23a2126d","first_computed_at":"2026-05-18T00:45:58.607179Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:45:58.607179Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"s+2oTHfJyvn1Xa0T5r7qB1taXvZsAwWbWUyiNs37DJA67ta3Ja6z7V2yUnizb41+Z3kZIoNGQEegzMhAM6keAA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:45:58.607595Z","signed_message":"canonical_sha256_bytes"},"source_id":"1609.08940","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b12422262c114b19a676f75d6cb8fc5232e6d0607a3a9c32245a0568aa46683f","sha256:3409f700d10cf1cbaafefc1f572663ec8ee7345b43a7dcc42a60513a955cfb72"],"state_sha256":"c46fa9b1083bda8d7f3576f0f5055ed1101cb48d76a04fc6368e1f33f2fa77a8"}