{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:IUP7ENEZ3RZNCGNBGIZKTGREKG","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":"aa029c522440b05f66dd8a86ec6d511f2c1f87711c2f3fbd0ad3e67072843a62","cross_cats_sorted":["hep-ph","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2012-05-17T14:58:38Z","title_canon_sha256":"6582678a7ed89a6a69eb5338a1889fc4bb2f8a79a2c8ea5a9a5dcdfd0a495bf1"},"schema_version":"1.0","source":{"id":"1205.3948","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1205.3948","created_at":"2026-05-18T03:45:20Z"},{"alias_kind":"arxiv_version","alias_value":"1205.3948v3","created_at":"2026-05-18T03:45:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1205.3948","created_at":"2026-05-18T03:45:20Z"},{"alias_kind":"pith_short_12","alias_value":"IUP7ENEZ3RZN","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_16","alias_value":"IUP7ENEZ3RZNCGNB","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_8","alias_value":"IUP7ENEZ","created_at":"2026-05-18T12:27:09Z"}],"graph_snapshots":[{"event_id":"sha256:0adab46e59bfce1fc20cafa7b9f98999a43bc7471503829e7e33134db74bf571","target":"graph","created_at":"2026-05-18T03:45:20Z","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 transition helicity amplitudes from the proton ground state to the $P_{11}(1440)$ and $D_{13}(1520)$ excited states ($\\gamma_{v}pN^*$ electrocouplings) were determined from the analysis of nine independent one-fold differential $\\pi^{+} \\pi^{-} p$ electroproduction cross sections off a proton target, taken with CLAS at photon virtualities 0.25\\enskip {\\rm GeV$^{2}$} $<$ $Q^{2}$ $<$ 0.60 \\enskip {\\rm GeV$^{2}$}. The phenomenological reaction model was employed for separation of the resonant and non-resonant contributions to the final state. The $P_{11}(1440)$ and $D_{13}(1520)$ electrocoupl","authors_text":"B. S. Ishkhanov, E. L. Isupov, E. N. Golovatch, G. V. Fedotov, L. Elouadrhiri, R. W. Gothe, the CLAS Collaboration, V. D. Burkert, V. I. Mokeev","cross_cats":["hep-ph","nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2012-05-17T14:58:38Z","title":"A study of the $P_{11}(1440)$ and $D_{13}(1520)$ resonances from CLAS data on $ep \\rightarrow e'\\pi^{+} \\pi^{-} p'$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1205.3948","kind":"arxiv","version":3},"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:f49405c5687abe08a7750a9c4a8fa3ca87d578532be5f83e9fd16dc5e78e770c","target":"record","created_at":"2026-05-18T03:45:20Z","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":"aa029c522440b05f66dd8a86ec6d511f2c1f87711c2f3fbd0ad3e67072843a62","cross_cats_sorted":["hep-ph","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2012-05-17T14:58:38Z","title_canon_sha256":"6582678a7ed89a6a69eb5338a1889fc4bb2f8a79a2c8ea5a9a5dcdfd0a495bf1"},"schema_version":"1.0","source":{"id":"1205.3948","kind":"arxiv","version":3}},"canonical_sha256":"451ff23499dc72d119a13232a99a2451abe3599f8be1c1e9ea71e2a7b34d47a6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"451ff23499dc72d119a13232a99a2451abe3599f8be1c1e9ea71e2a7b34d47a6","first_computed_at":"2026-05-18T03:45:20.970905Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:45:20.970905Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"P7WiDX1SgcO3ZUG1AxfbRFJRglcdOUXsaAodrKKqtAB2+qIOg1bjGVtVuIp6gMLg5WTD6m17C8VLqGER/HkwBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:45:20.971557Z","signed_message":"canonical_sha256_bytes"},"source_id":"1205.3948","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f49405c5687abe08a7750a9c4a8fa3ca87d578532be5f83e9fd16dc5e78e770c","sha256:0adab46e59bfce1fc20cafa7b9f98999a43bc7471503829e7e33134db74bf571"],"state_sha256":"8a792aff60ada3f9fd1be6f18d7f747c81a211ccd0769d63e50285fb40d21b58"}