{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:FLZQVRBNUA7YJQ4TGBZQGGKOQP","short_pith_number":"pith:FLZQVRBN","canonical_record":{"source":{"id":"1505.02680","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2015-05-11T15:58:07Z","cross_cats_sorted":["hep-ph","nucl-th","physics.atom-ph"],"title_canon_sha256":"3c34083bb13813ae0fa78ac77fbdb191bbbbef66145b7b4bf1f4a34f24f00beb","abstract_canon_sha256":"366944c418bd8a7b2a2bed3ccab4351c0007458be2b4a53d130addc4b8c3f65d"},"schema_version":"1.0"},"canonical_sha256":"2af30ac42da03f84c393307303194e83d69db05a7a14f647050bb82a417926fc","source":{"kind":"arxiv","id":"1505.02680","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.02680","created_at":"2026-05-18T02:16:11Z"},{"alias_kind":"arxiv_version","alias_value":"1505.02680v1","created_at":"2026-05-18T02:16:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.02680","created_at":"2026-05-18T02:16:11Z"},{"alias_kind":"pith_short_12","alias_value":"FLZQVRBNUA7Y","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_16","alias_value":"FLZQVRBNUA7YJQ4T","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_8","alias_value":"FLZQVRBN","created_at":"2026-05-18T12:29:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:FLZQVRBNUA7YJQ4TGBZQGGKOQP","target":"record","payload":{"canonical_record":{"source":{"id":"1505.02680","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2015-05-11T15:58:07Z","cross_cats_sorted":["hep-ph","nucl-th","physics.atom-ph"],"title_canon_sha256":"3c34083bb13813ae0fa78ac77fbdb191bbbbef66145b7b4bf1f4a34f24f00beb","abstract_canon_sha256":"366944c418bd8a7b2a2bed3ccab4351c0007458be2b4a53d130addc4b8c3f65d"},"schema_version":"1.0"},"canonical_sha256":"2af30ac42da03f84c393307303194e83d69db05a7a14f647050bb82a417926fc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:16:11.879503Z","signature_b64":"mQ3CPsGRWAO3xSKeoslB45/0ILJHeAvP7CAZFiqAyah2IOuQZhJ9cAUp7zZdmLiy+h3bUWUbDC5RXPAeHsUNBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2af30ac42da03f84c393307303194e83d69db05a7a14f647050bb82a417926fc","last_reissued_at":"2026-05-18T02:16:11.878794Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:16:11.878794Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1505.02680","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":"2026-05-18T02:16:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WP7NqSHdQLL/ZwPT8NlGq5OZ1hXJcv0O6GMcAs62GGg9IItF5hXKS7eJdTOw4MOkhiWWIgR8SiBsVHmfGPCyCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T20:33:04.545163Z"},"content_sha256":"9ca2e324004b724b1f91eed8670acc5691f901ff50a00b27a408d7f5920122e1","schema_version":"1.0","event_id":"sha256:9ca2e324004b724b1f91eed8670acc5691f901ff50a00b27a408d7f5920122e1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:FLZQVRBNUA7YJQ4TGBZQGGKOQP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evaluation of the proton charge radius from e-p scattering","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph","nucl-th","physics.atom-ph"],"primary_cat":"nucl-ex","authors_text":"Ingo Sick, John Arrington","submitted_at":"2015-05-11T15:58:07Z","abstract_excerpt":"In light of the proton radius puzzle, the discrepancy between measurements of the proton charge radius from muonic hydrogen and those from electronic hydrogen and electron-proton scattering measurements, we reexamine the charge radius extractions from electron scattering measurements. We provide a recommended value for the proton RMS charge radius, $r_E = 0.879 \\pm 0.011$ fm, based on a global examination of elastic e-p scattering data. The uncertainties include contributions to account for tension between different data sets and inconsistencies between radii using different extraction procedu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.02680","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":"2026-05-18T02:16:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KaXh7o/ZwX3p75ZOQLV6y/9rd6VYbhWYeVd9UvWo2mdWoQ26zpI2ZgeLu01zntPsmkQvmvtqSD1bXYxYQJ+HBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T20:33:04.545536Z"},"content_sha256":"63d542524c2abfffcef2f0383bdf86b60899de2ec9d01cf16f88fa8ca2ea6f0e","schema_version":"1.0","event_id":"sha256:63d542524c2abfffcef2f0383bdf86b60899de2ec9d01cf16f88fa8ca2ea6f0e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FLZQVRBNUA7YJQ4TGBZQGGKOQP/bundle.json","state_url":"https://pith.science/pith/FLZQVRBNUA7YJQ4TGBZQGGKOQP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FLZQVRBNUA7YJQ4TGBZQGGKOQP/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":"2026-06-30T20:33:04Z","links":{"resolver":"https://pith.science/pith/FLZQVRBNUA7YJQ4TGBZQGGKOQP","bundle":"https://pith.science/pith/FLZQVRBNUA7YJQ4TGBZQGGKOQP/bundle.json","state":"https://pith.science/pith/FLZQVRBNUA7YJQ4TGBZQGGKOQP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FLZQVRBNUA7YJQ4TGBZQGGKOQP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:FLZQVRBNUA7YJQ4TGBZQGGKOQP","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":"366944c418bd8a7b2a2bed3ccab4351c0007458be2b4a53d130addc4b8c3f65d","cross_cats_sorted":["hep-ph","nucl-th","physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2015-05-11T15:58:07Z","title_canon_sha256":"3c34083bb13813ae0fa78ac77fbdb191bbbbef66145b7b4bf1f4a34f24f00beb"},"schema_version":"1.0","source":{"id":"1505.02680","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.02680","created_at":"2026-05-18T02:16:11Z"},{"alias_kind":"arxiv_version","alias_value":"1505.02680v1","created_at":"2026-05-18T02:16:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.02680","created_at":"2026-05-18T02:16:11Z"},{"alias_kind":"pith_short_12","alias_value":"FLZQVRBNUA7Y","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_16","alias_value":"FLZQVRBNUA7YJQ4T","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_8","alias_value":"FLZQVRBN","created_at":"2026-05-18T12:29:19Z"}],"graph_snapshots":[{"event_id":"sha256:63d542524c2abfffcef2f0383bdf86b60899de2ec9d01cf16f88fa8ca2ea6f0e","target":"graph","created_at":"2026-05-18T02:16:11Z","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":"In light of the proton radius puzzle, the discrepancy between measurements of the proton charge radius from muonic hydrogen and those from electronic hydrogen and electron-proton scattering measurements, we reexamine the charge radius extractions from electron scattering measurements. We provide a recommended value for the proton RMS charge radius, $r_E = 0.879 \\pm 0.011$ fm, based on a global examination of elastic e-p scattering data. The uncertainties include contributions to account for tension between different data sets and inconsistencies between radii using different extraction procedu","authors_text":"Ingo Sick, John Arrington","cross_cats":["hep-ph","nucl-th","physics.atom-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2015-05-11T15:58:07Z","title":"Evaluation of the proton charge radius from e-p scattering"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.02680","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":"sha256:9ca2e324004b724b1f91eed8670acc5691f901ff50a00b27a408d7f5920122e1","target":"record","created_at":"2026-05-18T02:16:11Z","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":"366944c418bd8a7b2a2bed3ccab4351c0007458be2b4a53d130addc4b8c3f65d","cross_cats_sorted":["hep-ph","nucl-th","physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2015-05-11T15:58:07Z","title_canon_sha256":"3c34083bb13813ae0fa78ac77fbdb191bbbbef66145b7b4bf1f4a34f24f00beb"},"schema_version":"1.0","source":{"id":"1505.02680","kind":"arxiv","version":1}},"canonical_sha256":"2af30ac42da03f84c393307303194e83d69db05a7a14f647050bb82a417926fc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2af30ac42da03f84c393307303194e83d69db05a7a14f647050bb82a417926fc","first_computed_at":"2026-05-18T02:16:11.878794Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:16:11.878794Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mQ3CPsGRWAO3xSKeoslB45/0ILJHeAvP7CAZFiqAyah2IOuQZhJ9cAUp7zZdmLiy+h3bUWUbDC5RXPAeHsUNBg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:16:11.879503Z","signed_message":"canonical_sha256_bytes"},"source_id":"1505.02680","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9ca2e324004b724b1f91eed8670acc5691f901ff50a00b27a408d7f5920122e1","sha256:63d542524c2abfffcef2f0383bdf86b60899de2ec9d01cf16f88fa8ca2ea6f0e"],"state_sha256":"cf2b471866a4c876a4f5d0e2dc5d5d425d7a3a244bb1507ba30ce970ebb4aeb8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0xZnepD+1fSBDSb48mCk1nqantryqIn4+6RNrSji5oSAPuSy0/9oyLy7VdiI6aFX34RIFJJMx+hE2dx/0BmJAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-30T20:33:04.547736Z","bundle_sha256":"2099ad270f94df078789845d8099cc14bd55e18f5657bae4c567e83f92df1126"}}