{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:25VS5OWIOL4UFGR2PPB4VFI2WY","short_pith_number":"pith:25VS5OWI","canonical_record":{"source":{"id":"1403.7449","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-03-28T17:13:10Z","cross_cats_sorted":["hep-ex","nucl-th"],"title_canon_sha256":"1de4bef59eb1c8d5e492f2e0d15c4e4cac32441375550352df8a18a17ec9c3dc","abstract_canon_sha256":"741f42b535a1f82327cd9fd4d457f4441f221c79ee7b19d4d920802e679605ab"},"schema_version":"1.0"},"canonical_sha256":"d76b2ebac872f9429a3a7bc3ca951ab610705f1bfabddb3f0dad78d5893558db","source":{"kind":"arxiv","id":"1403.7449","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1403.7449","created_at":"2026-05-18T01:43:44Z"},{"alias_kind":"arxiv_version","alias_value":"1403.7449v1","created_at":"2026-05-18T01:43:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1403.7449","created_at":"2026-05-18T01:43:44Z"},{"alias_kind":"pith_short_12","alias_value":"25VS5OWIOL4U","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_16","alias_value":"25VS5OWIOL4UFGR2","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_8","alias_value":"25VS5OWI","created_at":"2026-05-18T12:28:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:25VS5OWIOL4UFGR2PPB4VFI2WY","target":"record","payload":{"canonical_record":{"source":{"id":"1403.7449","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-03-28T17:13:10Z","cross_cats_sorted":["hep-ex","nucl-th"],"title_canon_sha256":"1de4bef59eb1c8d5e492f2e0d15c4e4cac32441375550352df8a18a17ec9c3dc","abstract_canon_sha256":"741f42b535a1f82327cd9fd4d457f4441f221c79ee7b19d4d920802e679605ab"},"schema_version":"1.0"},"canonical_sha256":"d76b2ebac872f9429a3a7bc3ca951ab610705f1bfabddb3f0dad78d5893558db","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:43:44.283475Z","signature_b64":"naW9w8MTKE8xUZ75+pY+dSbRmhZZaA4iPzP1OF7d+oSKHIlY2wkWtU+SBnQJZ45uBK3nYB3vW0/3a5/NBE+/CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d76b2ebac872f9429a3a7bc3ca951ab610705f1bfabddb3f0dad78d5893558db","last_reissued_at":"2026-05-18T01:43:44.283069Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:43:44.283069Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1403.7449","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:43:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QsQed43y/f5mGx9+A1PdgDFnLjb/DMNN2U0ipDML6PPJc8gNmmx3CXzeOM9sBwelHXfmdGArwvcI1n87orqWDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T19:27:25.620889Z"},"content_sha256":"88755340b9e5aff495754bb44ded0fe18c25afd1382ea0e6efd33d209042e9e7","schema_version":"1.0","event_id":"sha256:88755340b9e5aff495754bb44ded0fe18c25afd1382ea0e6efd33d209042e9e7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:25VS5OWIOL4UFGR2PPB4VFI2WY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A rational approach to $\\eta$ and $\\eta^\\prime$ transition form factors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","nucl-th"],"primary_cat":"hep-ph","authors_text":"Barcelona), IFAE, Rafel Escribano (UAB","submitted_at":"2014-03-28T17:13:10Z","abstract_excerpt":"The $\\eta$ and $\\eta^\\prime$ transition form factors in the space-like region are analyzed at low and intermediate energies in a model-independent way through the use of rational approximants. The slope and curvature parameters of the form factors as well as their values at infinity are extracted from experimental data. The impact of these results on the mixing parameters of the $\\eta$-$\\eta^\\prime$ system are also discussed."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.7449","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":""},"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":"2026-05-18T01:43:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"H/Q5YW7KGs85VE2Dr5pX9QiXZerrOn+7jDvPOP6drOVKemU6xsAS+GEBQBw5+7RiWhvCV5CXBduAw9MegnnzCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T19:27:25.621595Z"},"content_sha256":"2d24298ee11cb6f85c4fb8b299c94fa69106caaf6dcabd3a7493632fca1f2004","schema_version":"1.0","event_id":"sha256:2d24298ee11cb6f85c4fb8b299c94fa69106caaf6dcabd3a7493632fca1f2004"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/25VS5OWIOL4UFGR2PPB4VFI2WY/bundle.json","state_url":"https://pith.science/pith/25VS5OWIOL4UFGR2PPB4VFI2WY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/25VS5OWIOL4UFGR2PPB4VFI2WY/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":"2026-06-08T19:27:25Z","links":{"resolver":"https://pith.science/pith/25VS5OWIOL4UFGR2PPB4VFI2WY","bundle":"https://pith.science/pith/25VS5OWIOL4UFGR2PPB4VFI2WY/bundle.json","state":"https://pith.science/pith/25VS5OWIOL4UFGR2PPB4VFI2WY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/25VS5OWIOL4UFGR2PPB4VFI2WY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:25VS5OWIOL4UFGR2PPB4VFI2WY","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":"741f42b535a1f82327cd9fd4d457f4441f221c79ee7b19d4d920802e679605ab","cross_cats_sorted":["hep-ex","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-03-28T17:13:10Z","title_canon_sha256":"1de4bef59eb1c8d5e492f2e0d15c4e4cac32441375550352df8a18a17ec9c3dc"},"schema_version":"1.0","source":{"id":"1403.7449","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1403.7449","created_at":"2026-05-18T01:43:44Z"},{"alias_kind":"arxiv_version","alias_value":"1403.7449v1","created_at":"2026-05-18T01:43:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1403.7449","created_at":"2026-05-18T01:43:44Z"},{"alias_kind":"pith_short_12","alias_value":"25VS5OWIOL4U","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_16","alias_value":"25VS5OWIOL4UFGR2","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_8","alias_value":"25VS5OWI","created_at":"2026-05-18T12:28:09Z"}],"graph_snapshots":[{"event_id":"sha256:2d24298ee11cb6f85c4fb8b299c94fa69106caaf6dcabd3a7493632fca1f2004","target":"graph","created_at":"2026-05-18T01:43:44Z","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 $\\eta$ and $\\eta^\\prime$ transition form factors in the space-like region are analyzed at low and intermediate energies in a model-independent way through the use of rational approximants. The slope and curvature parameters of the form factors as well as their values at infinity are extracted from experimental data. The impact of these results on the mixing parameters of the $\\eta$-$\\eta^\\prime$ system are also discussed.","authors_text":"Barcelona), IFAE, Rafel Escribano (UAB","cross_cats":["hep-ex","nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-03-28T17:13:10Z","title":"A rational approach to $\\eta$ and $\\eta^\\prime$ transition form factors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.7449","kind":"arxiv","version":1},"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":"sha256:88755340b9e5aff495754bb44ded0fe18c25afd1382ea0e6efd33d209042e9e7","target":"record","created_at":"2026-05-18T01:43:44Z","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":"741f42b535a1f82327cd9fd4d457f4441f221c79ee7b19d4d920802e679605ab","cross_cats_sorted":["hep-ex","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-03-28T17:13:10Z","title_canon_sha256":"1de4bef59eb1c8d5e492f2e0d15c4e4cac32441375550352df8a18a17ec9c3dc"},"schema_version":"1.0","source":{"id":"1403.7449","kind":"arxiv","version":1}},"canonical_sha256":"d76b2ebac872f9429a3a7bc3ca951ab610705f1bfabddb3f0dad78d5893558db","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d76b2ebac872f9429a3a7bc3ca951ab610705f1bfabddb3f0dad78d5893558db","first_computed_at":"2026-05-18T01:43:44.283069Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:43:44.283069Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"naW9w8MTKE8xUZ75+pY+dSbRmhZZaA4iPzP1OF7d+oSKHIlY2wkWtU+SBnQJZ45uBK3nYB3vW0/3a5/NBE+/CQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:43:44.283475Z","signed_message":"canonical_sha256_bytes"},"source_id":"1403.7449","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:88755340b9e5aff495754bb44ded0fe18c25afd1382ea0e6efd33d209042e9e7","sha256:2d24298ee11cb6f85c4fb8b299c94fa69106caaf6dcabd3a7493632fca1f2004"],"state_sha256":"72ae1158a1022543c5c034c2d484bda7b201d3bcc4a62a775053d1bfc6bbdfc8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mBhCu1qV8jVEuoDiBXWLRUNpHNDTUUJc1abkiCcElGuxoXqKnmIiybRwvGqUwIQ0J7JchsmTcMpfXzADy3oCDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T19:27:25.625888Z","bundle_sha256":"7d55c0273b601eca4648cb9e2acca50664987ebb0845c5c0097ef6242a43c55a"}}