{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:5P64I5RL755KJNNKDXEXWPRKLO","short_pith_number":"pith:5P64I5RL","canonical_record":{"source":{"id":"1503.08176","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-03-27T18:30:51Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"5145b0252a19b014339e862d528c314f412dd5fbbb67699af3033cbadcb18a3b","abstract_canon_sha256":"cd23d6a440b019cf77c2231774f6bbe24dcc8bc32267e510e53f395309138cf5"},"schema_version":"1.0"},"canonical_sha256":"ebfdc4762bff7aa4b5aa1dc97b3e2a5b8311119dec68eea394a84e7f5cc87ce2","source":{"kind":"arxiv","id":"1503.08176","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.08176","created_at":"2026-05-18T01:35:54Z"},{"alias_kind":"arxiv_version","alias_value":"1503.08176v2","created_at":"2026-05-18T01:35:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.08176","created_at":"2026-05-18T01:35:54Z"},{"alias_kind":"pith_short_12","alias_value":"5P64I5RL755K","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_16","alias_value":"5P64I5RL755KJNNK","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_8","alias_value":"5P64I5RL","created_at":"2026-05-18T12:29:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:5P64I5RL755KJNNKDXEXWPRKLO","target":"record","payload":{"canonical_record":{"source":{"id":"1503.08176","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-03-27T18:30:51Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"5145b0252a19b014339e862d528c314f412dd5fbbb67699af3033cbadcb18a3b","abstract_canon_sha256":"cd23d6a440b019cf77c2231774f6bbe24dcc8bc32267e510e53f395309138cf5"},"schema_version":"1.0"},"canonical_sha256":"ebfdc4762bff7aa4b5aa1dc97b3e2a5b8311119dec68eea394a84e7f5cc87ce2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:35:54.734649Z","signature_b64":"k48zmzBmuE993UlQftFE4I5xxXk2pS/atDF1DOhaNyHhA8iHW3Zn7GaUtTDpew0Lqpvrzrn1VQPXuMQm1Z58Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ebfdc4762bff7aa4b5aa1dc97b3e2a5b8311119dec68eea394a84e7f5cc87ce2","last_reissued_at":"2026-05-18T01:35:54.734137Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:35:54.734137Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1503.08176","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":"2026-05-18T01:35:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2ZJ+bbYbEZK37Z10+XE1wvP1JLSCU0yvl1dvLSIjpCknGOMbn/wosCUeS/zUnsgmWMQvGIG9jXu09bD++J4wBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T16:30:29.137503Z"},"content_sha256":"62e5b82dfb4eebfb1f2684789b6b066ecfa4028f4b8e6623a69f319f8e94831c","schema_version":"1.0","event_id":"sha256:62e5b82dfb4eebfb1f2684789b6b066ecfa4028f4b8e6623a69f319f8e94831c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:5P64I5RL755KJNNKDXEXWPRKLO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Non-leptonic decays of Charmed mesons into two Pseudoscalars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Aritra Biswas, Gauhar Abbas, Nita Sinha","submitted_at":"2015-03-27T18:30:51Z","abstract_excerpt":"We examine the role of resonant coupled channel final state interactions (FSI), as well as weak annihilation and exchange contributions in explaining all the two body hadronic $D\\rightarrow PP$ decay modes data. In the un-unitarized amplitudes we include modified Wilson coefficients with non-factorizable corrections as parameters. For the hadronic form factors, the z-series expansion method is used to get the $q^2$ dependence. The FSI effects are incorporated via a phenomenological approach with widths of resonances to various channels taken from observations where available, and others as add"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.08176","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":""},"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":"2026-05-18T01:35:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4JILeDwMwrc7ABZuh/lCOuBoGpYk4wfA0gBUxiponFEaHRfpwG75feILmYKd73DfXWrHj+sraZWT3xMRsMIEAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T16:30:29.137853Z"},"content_sha256":"597e26aef12428dcf76271deb46f152abdcc341bfd161e01942ad94a3990aacf","schema_version":"1.0","event_id":"sha256:597e26aef12428dcf76271deb46f152abdcc341bfd161e01942ad94a3990aacf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5P64I5RL755KJNNKDXEXWPRKLO/bundle.json","state_url":"https://pith.science/pith/5P64I5RL755KJNNKDXEXWPRKLO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5P64I5RL755KJNNKDXEXWPRKLO/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":"2026-05-30T16:30:29Z","links":{"resolver":"https://pith.science/pith/5P64I5RL755KJNNKDXEXWPRKLO","bundle":"https://pith.science/pith/5P64I5RL755KJNNKDXEXWPRKLO/bundle.json","state":"https://pith.science/pith/5P64I5RL755KJNNKDXEXWPRKLO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5P64I5RL755KJNNKDXEXWPRKLO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:5P64I5RL755KJNNKDXEXWPRKLO","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":"cd23d6a440b019cf77c2231774f6bbe24dcc8bc32267e510e53f395309138cf5","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-03-27T18:30:51Z","title_canon_sha256":"5145b0252a19b014339e862d528c314f412dd5fbbb67699af3033cbadcb18a3b"},"schema_version":"1.0","source":{"id":"1503.08176","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.08176","created_at":"2026-05-18T01:35:54Z"},{"alias_kind":"arxiv_version","alias_value":"1503.08176v2","created_at":"2026-05-18T01:35:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.08176","created_at":"2026-05-18T01:35:54Z"},{"alias_kind":"pith_short_12","alias_value":"5P64I5RL755K","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_16","alias_value":"5P64I5RL755KJNNK","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_8","alias_value":"5P64I5RL","created_at":"2026-05-18T12:29:05Z"}],"graph_snapshots":[{"event_id":"sha256:597e26aef12428dcf76271deb46f152abdcc341bfd161e01942ad94a3990aacf","target":"graph","created_at":"2026-05-18T01:35:54Z","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":"We examine the role of resonant coupled channel final state interactions (FSI), as well as weak annihilation and exchange contributions in explaining all the two body hadronic $D\\rightarrow PP$ decay modes data. In the un-unitarized amplitudes we include modified Wilson coefficients with non-factorizable corrections as parameters. For the hadronic form factors, the z-series expansion method is used to get the $q^2$ dependence. The FSI effects are incorporated via a phenomenological approach with widths of resonances to various channels taken from observations where available, and others as add","authors_text":"Aritra Biswas, Gauhar Abbas, Nita Sinha","cross_cats":["hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-03-27T18:30:51Z","title":"Non-leptonic decays of Charmed mesons into two Pseudoscalars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.08176","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":"sha256:62e5b82dfb4eebfb1f2684789b6b066ecfa4028f4b8e6623a69f319f8e94831c","target":"record","created_at":"2026-05-18T01:35:54Z","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":"cd23d6a440b019cf77c2231774f6bbe24dcc8bc32267e510e53f395309138cf5","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-03-27T18:30:51Z","title_canon_sha256":"5145b0252a19b014339e862d528c314f412dd5fbbb67699af3033cbadcb18a3b"},"schema_version":"1.0","source":{"id":"1503.08176","kind":"arxiv","version":2}},"canonical_sha256":"ebfdc4762bff7aa4b5aa1dc97b3e2a5b8311119dec68eea394a84e7f5cc87ce2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ebfdc4762bff7aa4b5aa1dc97b3e2a5b8311119dec68eea394a84e7f5cc87ce2","first_computed_at":"2026-05-18T01:35:54.734137Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:35:54.734137Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"k48zmzBmuE993UlQftFE4I5xxXk2pS/atDF1DOhaNyHhA8iHW3Zn7GaUtTDpew0Lqpvrzrn1VQPXuMQm1Z58Dw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:35:54.734649Z","signed_message":"canonical_sha256_bytes"},"source_id":"1503.08176","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:62e5b82dfb4eebfb1f2684789b6b066ecfa4028f4b8e6623a69f319f8e94831c","sha256:597e26aef12428dcf76271deb46f152abdcc341bfd161e01942ad94a3990aacf"],"state_sha256":"6b481062fc5bddfbc022ea73e574e6e6f9aef4afca8ba60ebff26fd7a7f01d78"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WBgy7bR9kNSoaotrtBs2U1AOfEuEFbwMl0wh7a1JGhqUQegTDfz6wnsJfZRwSx0tIZnGpsvyCr4dbif8Q0WqBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T16:30:29.140195Z","bundle_sha256":"296a8460620066c94c1f85af8a7dc4b709e14c1cad9e32d34bc3fd7ec00c3721"}}