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In contrast to previous determinations, we provide a systematic procedure for analyzing arbitrary data without model-dependent assumptions on the form factor shape. We also investigate the impact of including electron-neutron scattering data, and $\\pi\\pi\\to N\\bar{N}$ data. Using representative datasets we find r_E^p=0.870 +/- 0.023 +/- 0.012 fm using just proton scattering data; r_E^p=0.880^{+0.017}_{-0.020} +/- 0.007 fm adding neutron data; and r_E^p=0.871 +/- 0.0"},"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":"1008.4619","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2010-08-26T23:38:09Z","cross_cats_sorted":["nucl-ex","nucl-th","physics.atom-ph"],"title_canon_sha256":"f4f77c2e853a0c936d51e434dfe1007e89f30ae8d2bca74f6c37493548e68ceb","abstract_canon_sha256":"ab4629fed0d5c3d24f945d020e3c1403c6e2060094362baa2ca9e1a25c6f1a91"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:32:36.140448Z","signature_b64":"gaWoZhqF/ThaJBUcETeCqOGFnonVbY6CcQWbrSKeOuUtMjlNK+IKIomlKaFVP+lPtB0Um6hM+GQ0Q2t6nqMbAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5cd6f0d78d42a7960229718e5b7045f51fd29051a7b286bdcff5763203740348","last_reissued_at":"2026-05-18T04:32:36.139974Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:32:36.139974Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Model independent extraction of the proton charge radius from electron scattering","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-ex","nucl-th","physics.atom-ph"],"primary_cat":"hep-ph","authors_text":"Gil Paz, Richard J. 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