{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1996:BOKGWABXPICVJ5MWQGB5N3KFWR","short_pith_number":"pith:BOKGWABX","schema_version":"1.0","canonical_sha256":"0b946b00377a0554f5968183d6ed45b45ccf462278cf349c488ae3d78d914621","source":{"kind":"arxiv","id":"hep-ph/9601252","version":1},"attestation_state":"computed","paper":{"title":"The rare decay $\\eta\\to\\pi\\pi\\gamma\\gamma$ in chiral perturbation theory","license":"","headline":"","cross_cats":["nucl-th"],"primary_cat":"hep-ph","authors_text":"D. Drechsel (Inst. f. Kernphysik, Germany), G. Kn\"ochlein, S. Scherer, University of Mainz","submitted_at":"1996-01-12T10:38:49Z","abstract_excerpt":"We investigate the rare radiative eta decay modes $\\eta\\to\\pi^+\\pi^-\\gamma\\gamma$ and $\\eta\\to\\pi^0\\pi^0\\gamma\\gamma$ within the framework of chiral perturbation theory at $O(p^4)$. We present photon spectra and partial decay rates for both processes as well as a Dalitz contour plot for the charged decay."},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"hep-ph/9601252","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1996-01-12T10:38:49Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"322aefb28f398ef399739c5171a2c9baafe2a44a95e111300feb1ecf228ec3d5","abstract_canon_sha256":"12d6147a6c653da834a9167e25db59a737dbbe7c3f137e14ea41cbe21f653c8b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:01:27.368654Z","signature_b64":"EujAcEalfIaNlU4werKCkOuK6qTwyYxJlHbhbxp4NayaIxfCj1fyqLmZoUBJw4Yz4zivz11JdmlIc9lXyZvlAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0b946b00377a0554f5968183d6ed45b45ccf462278cf349c488ae3d78d914621","last_reissued_at":"2026-07-04T16:01:27.368254Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:01:27.368254Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The rare decay $\\eta\\to\\pi\\pi\\gamma\\gamma$ in chiral perturbation theory","license":"","headline":"","cross_cats":["nucl-th"],"primary_cat":"hep-ph","authors_text":"D. Drechsel (Inst. f. Kernphysik, Germany), G. Kn\"ochlein, S. Scherer, University of Mainz","submitted_at":"1996-01-12T10:38:49Z","abstract_excerpt":"We investigate the rare radiative eta decay modes $\\eta\\to\\pi^+\\pi^-\\gamma\\gamma$ and $\\eta\\to\\pi^0\\pi^0\\gamma\\gamma$ within the framework of chiral perturbation theory at $O(p^4)$. We present photon spectra and partial decay rates for both processes as well as a Dalitz contour plot for the charged decay."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9601252","kind":"arxiv","version":1},"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/hep-ph/9601252/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9601252","created_at":"2026-07-04T16:01:27.368309+00:00"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9601252v1","created_at":"2026-07-04T16:01:27.368309+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9601252","created_at":"2026-07-04T16:01:27.368309+00:00"},{"alias_kind":"pith_short_12","alias_value":"BOKGWABXPICV","created_at":"2026-07-04T16:01:27.368309+00:00"},{"alias_kind":"pith_short_16","alias_value":"BOKGWABXPICVJ5MW","created_at":"2026-07-04T16:01:27.368309+00:00"},{"alias_kind":"pith_short_8","alias_value":"BOKGWABX","created_at":"2026-07-04T16:01:27.368309+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2504.14979","citing_title":"Identify hadron anomalous couplings at colliders","ref_index":31,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/BOKGWABXPICVJ5MWQGB5N3KFWR","json":"https://pith.science/pith/BOKGWABXPICVJ5MWQGB5N3KFWR.json","graph_json":"https://pith.science/api/pith-number/BOKGWABXPICVJ5MWQGB5N3KFWR/graph.json","events_json":"https://pith.science/api/pith-number/BOKGWABXPICVJ5MWQGB5N3KFWR/events.json","paper":"https://pith.science/paper/BOKGWABX"},"agent_actions":{"view_html":"https://pith.science/pith/BOKGWABXPICVJ5MWQGB5N3KFWR","download_json":"https://pith.science/pith/BOKGWABXPICVJ5MWQGB5N3KFWR.json","view_paper":"https://pith.science/paper/BOKGWABX","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=hep-ph/9601252&json=true","fetch_graph":"https://pith.science/api/pith-number/BOKGWABXPICVJ5MWQGB5N3KFWR/graph.json","fetch_events":"https://pith.science/api/pith-number/BOKGWABXPICVJ5MWQGB5N3KFWR/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BOKGWABXPICVJ5MWQGB5N3KFWR/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BOKGWABXPICVJ5MWQGB5N3KFWR/action/storage_attestation","attest_author":"https://pith.science/pith/BOKGWABXPICVJ5MWQGB5N3KFWR/action/author_attestation","sign_citation":"https://pith.science/pith/BOKGWABXPICVJ5MWQGB5N3KFWR/action/citation_signature","submit_replication":"https://pith.science/pith/BOKGWABXPICVJ5MWQGB5N3KFWR/action/replication_record"}},"created_at":"2026-07-04T16:01:27.368309+00:00","updated_at":"2026-07-04T16:01:27.368309+00:00"}