{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:3L7CHXB5KLBQCDFQSMF3HAM3L4","short_pith_number":"pith:3L7CHXB5","canonical_record":{"source":{"id":"2409.06913","kind":"arxiv","version":4},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2024-09-10T23:39:08Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"46fe10a6bc92edc165327e771acd1c720a85824460595d65c6ffc8e41abccfc6","abstract_canon_sha256":"a413ecd4de8b800307a12f0e0adc2e78dd2c3ca3c095e64a936a85173d17ddc1"},"schema_version":"1.0"},"canonical_sha256":"dafe23dc3d52c3010cb0930bb3819b5f28fb0cfe24cebba08b2d37660232f7ed","source":{"kind":"arxiv","id":"2409.06913","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2409.06913","created_at":"2026-07-05T11:19:49Z"},{"alias_kind":"arxiv_version","alias_value":"2409.06913v4","created_at":"2026-07-05T11:19:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2409.06913","created_at":"2026-07-05T11:19:49Z"},{"alias_kind":"pith_short_12","alias_value":"3L7CHXB5KLBQ","created_at":"2026-07-05T11:19:49Z"},{"alias_kind":"pith_short_16","alias_value":"3L7CHXB5KLBQCDFQ","created_at":"2026-07-05T11:19:49Z"},{"alias_kind":"pith_short_8","alias_value":"3L7CHXB5","created_at":"2026-07-05T11:19:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:3L7CHXB5KLBQCDFQSMF3HAM3L4","target":"record","payload":{"canonical_record":{"source":{"id":"2409.06913","kind":"arxiv","version":4},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2024-09-10T23:39:08Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"46fe10a6bc92edc165327e771acd1c720a85824460595d65c6ffc8e41abccfc6","abstract_canon_sha256":"a413ecd4de8b800307a12f0e0adc2e78dd2c3ca3c095e64a936a85173d17ddc1"},"schema_version":"1.0"},"canonical_sha256":"dafe23dc3d52c3010cb0930bb3819b5f28fb0cfe24cebba08b2d37660232f7ed","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:19:49.336076Z","signature_b64":"uEDfvDwMYytxq+tzFeh1U1kSWi6lKRgrrPHJZWkYKsbXvdj6lFrcNM2l4EVU2y7LjKNTg7UxGmQoMNjxKxP3Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dafe23dc3d52c3010cb0930bb3819b5f28fb0cfe24cebba08b2d37660232f7ed","last_reissued_at":"2026-07-05T11:19:49.335640Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:19:49.335640Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2409.06913","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T11:19:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ch8Q9osr75+1NVlPz887BrByq3jjHuvP5GlpW7BXMljJIo7d/Tu5tmEbOhF1yOKNBkbiVl0mputBTmOByjOgBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-17T08:19:50.433294Z"},"content_sha256":"01adfe66db5634ef503d261f389bf206f08de8cc925390b455e2edf447ceaefd","schema_version":"1.0","event_id":"sha256:01adfe66db5634ef503d261f389bf206f08de8cc925390b455e2edf447ceaefd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:3L7CHXB5KLBQCDFQSMF3HAM3L4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Wigner rotations for cascade reactions","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Kai Habermann, Mikhail Mikhasenko","submitted_at":"2024-09-10T23:39:08Z","abstract_excerpt":"Parametrization of cascading hadronic reactions is a central tool in hadron spectroscopy for modeling matrix elements and extracting parameters of hadronic states. Implementing the helicity formalism consistently presents challenges, particularly for particles with spin, due to the need to match spin states of final-state particles, an operation known as the Wigner rotation. This paper discusses these challenges in detail and offers solutions, including a practical method for implementation. Equipped with a general algorithm for computing Wigner rotations, we extend the studies to alternative "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2409.06913","kind":"arxiv","version":4},"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/2409.06913/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":"2026-07-05T11:19:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"U6UZknY5pCVuV3i7va2nUFfQzbhwkLCuDAI1CdAr+P+YUzRu5BxAJ3ALWNkwO8YfBUo7eJpZ/2wD/rwlK01bBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-17T08:19:50.433681Z"},"content_sha256":"a96467186e549e7e71d55f1de0bc97c8fddc49b26111eaf8bae0ac331136d940","schema_version":"1.0","event_id":"sha256:a96467186e549e7e71d55f1de0bc97c8fddc49b26111eaf8bae0ac331136d940"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3L7CHXB5KLBQCDFQSMF3HAM3L4/bundle.json","state_url":"https://pith.science/pith/3L7CHXB5KLBQCDFQSMF3HAM3L4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3L7CHXB5KLBQCDFQSMF3HAM3L4/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":"2026-07-17T08:19:50Z","links":{"resolver":"https://pith.science/pith/3L7CHXB5KLBQCDFQSMF3HAM3L4","bundle":"https://pith.science/pith/3L7CHXB5KLBQCDFQSMF3HAM3L4/bundle.json","state":"https://pith.science/pith/3L7CHXB5KLBQCDFQSMF3HAM3L4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3L7CHXB5KLBQCDFQSMF3HAM3L4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:3L7CHXB5KLBQCDFQSMF3HAM3L4","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":"a413ecd4de8b800307a12f0e0adc2e78dd2c3ca3c095e64a936a85173d17ddc1","cross_cats_sorted":["hep-ex"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2024-09-10T23:39:08Z","title_canon_sha256":"46fe10a6bc92edc165327e771acd1c720a85824460595d65c6ffc8e41abccfc6"},"schema_version":"1.0","source":{"id":"2409.06913","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2409.06913","created_at":"2026-07-05T11:19:49Z"},{"alias_kind":"arxiv_version","alias_value":"2409.06913v4","created_at":"2026-07-05T11:19:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2409.06913","created_at":"2026-07-05T11:19:49Z"},{"alias_kind":"pith_short_12","alias_value":"3L7CHXB5KLBQ","created_at":"2026-07-05T11:19:49Z"},{"alias_kind":"pith_short_16","alias_value":"3L7CHXB5KLBQCDFQ","created_at":"2026-07-05T11:19:49Z"},{"alias_kind":"pith_short_8","alias_value":"3L7CHXB5","created_at":"2026-07-05T11:19:49Z"}],"graph_snapshots":[{"event_id":"sha256:a96467186e549e7e71d55f1de0bc97c8fddc49b26111eaf8bae0ac331136d940","target":"graph","created_at":"2026-07-05T11:19:49Z","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/2409.06913/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Parametrization of cascading hadronic reactions is a central tool in hadron spectroscopy for modeling matrix elements and extracting parameters of hadronic states. Implementing the helicity formalism consistently presents challenges, particularly for particles with spin, due to the need to match spin states of final-state particles, an operation known as the Wigner rotation. This paper discusses these challenges in detail and offers solutions, including a practical method for implementation. Equipped with a general algorithm for computing Wigner rotations, we extend the studies to alternative ","authors_text":"Kai Habermann, Mikhail Mikhasenko","cross_cats":["hep-ex"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2024-09-10T23:39:08Z","title":"Wigner rotations for cascade reactions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2409.06913","kind":"arxiv","version":4},"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":"sha256:01adfe66db5634ef503d261f389bf206f08de8cc925390b455e2edf447ceaefd","target":"record","created_at":"2026-07-05T11:19:49Z","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":"a413ecd4de8b800307a12f0e0adc2e78dd2c3ca3c095e64a936a85173d17ddc1","cross_cats_sorted":["hep-ex"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2024-09-10T23:39:08Z","title_canon_sha256":"46fe10a6bc92edc165327e771acd1c720a85824460595d65c6ffc8e41abccfc6"},"schema_version":"1.0","source":{"id":"2409.06913","kind":"arxiv","version":4}},"canonical_sha256":"dafe23dc3d52c3010cb0930bb3819b5f28fb0cfe24cebba08b2d37660232f7ed","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dafe23dc3d52c3010cb0930bb3819b5f28fb0cfe24cebba08b2d37660232f7ed","first_computed_at":"2026-07-05T11:19:49.335640Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:19:49.335640Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uEDfvDwMYytxq+tzFeh1U1kSWi6lKRgrrPHJZWkYKsbXvdj6lFrcNM2l4EVU2y7LjKNTg7UxGmQoMNjxKxP3Dw==","signature_status":"signed_v1","signed_at":"2026-07-05T11:19:49.336076Z","signed_message":"canonical_sha256_bytes"},"source_id":"2409.06913","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:01adfe66db5634ef503d261f389bf206f08de8cc925390b455e2edf447ceaefd","sha256:a96467186e549e7e71d55f1de0bc97c8fddc49b26111eaf8bae0ac331136d940"],"state_sha256":"ac8f56ed3042f3072c071b3164c3fc526705130a92aabddb09f701d8a157b2a1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0GS4fjIECsymo2z76k/W3AX4ICfeCUSiwTUJ1V3n9sGw9GjOsd8YqwFDa7zY0fsQX8wQI0m+Trsg0n6oPciYCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-17T08:19:50.435839Z","bundle_sha256":"d8c893be5b538b54a1e0c648975c38ab1487a4b33b0cdc0eeb2d9febe7ce70d2"}}