{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:Z5OQ5GHDVCXC6PBHJ3ZS32BFUL","short_pith_number":"pith:Z5OQ5GHD","canonical_record":{"source":{"id":"2505.21403","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2025-05-27T16:25:58Z","cross_cats_sorted":[],"title_canon_sha256":"21d078f0557558fcd3da2b7128f158708056c65487addefd4b4e09a223e7109c","abstract_canon_sha256":"0103d38b49ce4c0319e236025bdca696e095eab51d63d0e4d5046f7a07c2731f"},"schema_version":"1.0"},"canonical_sha256":"cf5d0e98e3a8ae2f3c274ef32de825a2eba0cd0349b6c9671c54590bfd7106d9","source":{"kind":"arxiv","id":"2505.21403","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.21403","created_at":"2026-07-05T11:11:23Z"},{"alias_kind":"arxiv_version","alias_value":"2505.21403v2","created_at":"2026-07-05T11:11:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.21403","created_at":"2026-07-05T11:11:23Z"},{"alias_kind":"pith_short_12","alias_value":"Z5OQ5GHDVCXC","created_at":"2026-07-05T11:11:23Z"},{"alias_kind":"pith_short_16","alias_value":"Z5OQ5GHDVCXC6PBH","created_at":"2026-07-05T11:11:23Z"},{"alias_kind":"pith_short_8","alias_value":"Z5OQ5GHD","created_at":"2026-07-05T11:11:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:Z5OQ5GHDVCXC6PBHJ3ZS32BFUL","target":"record","payload":{"canonical_record":{"source":{"id":"2505.21403","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2025-05-27T16:25:58Z","cross_cats_sorted":[],"title_canon_sha256":"21d078f0557558fcd3da2b7128f158708056c65487addefd4b4e09a223e7109c","abstract_canon_sha256":"0103d38b49ce4c0319e236025bdca696e095eab51d63d0e4d5046f7a07c2731f"},"schema_version":"1.0"},"canonical_sha256":"cf5d0e98e3a8ae2f3c274ef32de825a2eba0cd0349b6c9671c54590bfd7106d9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:11:23.069461Z","signature_b64":"m8XU/DHmyPmYuqeXHnaNzeJsXQ0JroI/HJKwW9p3WL09h7fvsycB0V84opsVKJC2VLXe4ltEHYJy6eHk54jZBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cf5d0e98e3a8ae2f3c274ef32de825a2eba0cd0349b6c9671c54590bfd7106d9","last_reissued_at":"2026-07-05T11:11:23.068967Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:11:23.068967Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2505.21403","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":"2026-07-05T11:11:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Aa+pVt5+U0EnGGd8rvMOTsxcihCyvM5aXSqzsQgjbbxwrFqiMnmFqV7Z8oEOK5NU2/DaPP4vKe+jiu6F6Q3bCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T18:23:45.865665Z"},"content_sha256":"6b0bb7094aedb9503e1a33535d5927769d43a5515051da9a1d1b30207ee01e45","schema_version":"1.0","event_id":"sha256:6b0bb7094aedb9503e1a33535d5927769d43a5515051da9a1d1b30207ee01e45"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:Z5OQ5GHDVCXC6PBHJ3ZS32BFUL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The $\\Lambda_c^+\\to\\Lambda\\pi^+\\pi^+\\pi^-$ reaction, and a triangle singularity producing the $\\Sigma^*(1430)$ state","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Eulogio Oset, Jing Song, Raquel Molina, Wei-Hong Liang, Yi-Yao Li","submitted_at":"2025-05-27T16:25:58Z","abstract_excerpt":"We study the decay $\\Lambda_c^+ \\to \\Lambda \\pi^+ \\pi^+ \\pi^-$, focusing on the production of the $\\Sigma^*(1430)$ resonance observed by the Belle Collaboration. Interpreted as a dynamically generated state from meson-baryon interactions in the chiral unitary approach, the $\\Sigma^*(1430)$ signal is shown to be enhanced by a triangle singularity involving intermediate $K^{*-}$, $p$, and $\\bar K^0$ states. This mechanism leads to a sharp peak near 1434 MeV in the $\\pi^+ \\Lambda$ invariant mass distribution, in agreement with the experimental observations, and predicts a secondary peak around 18"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.21403","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/2505.21403/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":"2026-07-05T11:11:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lnTG/fhkYNThGv0PZnUqIA+vl4y2y8lVOjnBz/ZzWvfgJCqcd1Jl2bI8yjgwU/I65Us0blBkGdSYS3jPjMWKBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T18:23:45.866194Z"},"content_sha256":"eadbe813045bdcb56b6376b803b5217fc940af0607c7257f5b0b5d457a48fc5e","schema_version":"1.0","event_id":"sha256:eadbe813045bdcb56b6376b803b5217fc940af0607c7257f5b0b5d457a48fc5e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Z5OQ5GHDVCXC6PBHJ3ZS32BFUL/bundle.json","state_url":"https://pith.science/pith/Z5OQ5GHDVCXC6PBHJ3ZS32BFUL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Z5OQ5GHDVCXC6PBHJ3ZS32BFUL/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":"2026-08-08T18:23:45Z","links":{"resolver":"https://pith.science/pith/Z5OQ5GHDVCXC6PBHJ3ZS32BFUL","bundle":"https://pith.science/pith/Z5OQ5GHDVCXC6PBHJ3ZS32BFUL/bundle.json","state":"https://pith.science/pith/Z5OQ5GHDVCXC6PBHJ3ZS32BFUL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Z5OQ5GHDVCXC6PBHJ3ZS32BFUL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:Z5OQ5GHDVCXC6PBHJ3ZS32BFUL","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":"0103d38b49ce4c0319e236025bdca696e095eab51d63d0e4d5046f7a07c2731f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2025-05-27T16:25:58Z","title_canon_sha256":"21d078f0557558fcd3da2b7128f158708056c65487addefd4b4e09a223e7109c"},"schema_version":"1.0","source":{"id":"2505.21403","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.21403","created_at":"2026-07-05T11:11:23Z"},{"alias_kind":"arxiv_version","alias_value":"2505.21403v2","created_at":"2026-07-05T11:11:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.21403","created_at":"2026-07-05T11:11:23Z"},{"alias_kind":"pith_short_12","alias_value":"Z5OQ5GHDVCXC","created_at":"2026-07-05T11:11:23Z"},{"alias_kind":"pith_short_16","alias_value":"Z5OQ5GHDVCXC6PBH","created_at":"2026-07-05T11:11:23Z"},{"alias_kind":"pith_short_8","alias_value":"Z5OQ5GHD","created_at":"2026-07-05T11:11:23Z"}],"graph_snapshots":[{"event_id":"sha256:eadbe813045bdcb56b6376b803b5217fc940af0607c7257f5b0b5d457a48fc5e","target":"graph","created_at":"2026-07-05T11:11:23Z","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/2505.21403/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study the decay $\\Lambda_c^+ \\to \\Lambda \\pi^+ \\pi^+ \\pi^-$, focusing on the production of the $\\Sigma^*(1430)$ resonance observed by the Belle Collaboration. Interpreted as a dynamically generated state from meson-baryon interactions in the chiral unitary approach, the $\\Sigma^*(1430)$ signal is shown to be enhanced by a triangle singularity involving intermediate $K^{*-}$, $p$, and $\\bar K^0$ states. This mechanism leads to a sharp peak near 1434 MeV in the $\\pi^+ \\Lambda$ invariant mass distribution, in agreement with the experimental observations, and predicts a secondary peak around 18","authors_text":"Eulogio Oset, Jing Song, Raquel Molina, Wei-Hong Liang, Yi-Yao Li","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2025-05-27T16:25:58Z","title":"The $\\Lambda_c^+\\to\\Lambda\\pi^+\\pi^+\\pi^-$ reaction, and a triangle singularity producing the $\\Sigma^*(1430)$ state"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.21403","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":"sha256:6b0bb7094aedb9503e1a33535d5927769d43a5515051da9a1d1b30207ee01e45","target":"record","created_at":"2026-07-05T11:11:23Z","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":"0103d38b49ce4c0319e236025bdca696e095eab51d63d0e4d5046f7a07c2731f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2025-05-27T16:25:58Z","title_canon_sha256":"21d078f0557558fcd3da2b7128f158708056c65487addefd4b4e09a223e7109c"},"schema_version":"1.0","source":{"id":"2505.21403","kind":"arxiv","version":2}},"canonical_sha256":"cf5d0e98e3a8ae2f3c274ef32de825a2eba0cd0349b6c9671c54590bfd7106d9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cf5d0e98e3a8ae2f3c274ef32de825a2eba0cd0349b6c9671c54590bfd7106d9","first_computed_at":"2026-07-05T11:11:23.068967Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:11:23.068967Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"m8XU/DHmyPmYuqeXHnaNzeJsXQ0JroI/HJKwW9p3WL09h7fvsycB0V84opsVKJC2VLXe4ltEHYJy6eHk54jZBA==","signature_status":"signed_v1","signed_at":"2026-07-05T11:11:23.069461Z","signed_message":"canonical_sha256_bytes"},"source_id":"2505.21403","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6b0bb7094aedb9503e1a33535d5927769d43a5515051da9a1d1b30207ee01e45","sha256:eadbe813045bdcb56b6376b803b5217fc940af0607c7257f5b0b5d457a48fc5e"],"state_sha256":"f63f8b27468bf8d73070f1af5a55e8e7745b4dccbb7344459f43c81bd1569310"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"S5T0TbKTud7pljsbO9xzD93TKLCs8dvAtZ/alMY8uJoARWEenVN/ohkHXFHcO9BdhpA4rDFvWbLI0jV8wCxpAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T18:23:45.874906Z","bundle_sha256":"7d9087b8031b5b48e8ec836ee53d7c3f201fa18896ab9fe6978e44e55d169c28"}}