{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:WZVS6WLYJJ2MANXYPLNIPGE3SI","short_pith_number":"pith:WZVS6WLY","canonical_record":{"source":{"id":"2305.11679","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.atom-ph","submitted_at":"2023-05-19T13:54:20Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"b614a2081698129133c945648617d99c0a90074ae7341a7292b75a3a7cabbc6f","abstract_canon_sha256":"458a3fc4b7b7b6bcfe3ab53bd9306d43b204d7d8d1729a305a19bcc0180a4bd4"},"schema_version":"1.0"},"canonical_sha256":"b66b2f59784a74c036f87ada87989b922ab17b3aba15bd0d93e4c75e996f2e71","source":{"kind":"arxiv","id":"2305.11679","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2305.11679","created_at":"2026-07-05T06:24:29Z"},{"alias_kind":"arxiv_version","alias_value":"2305.11679v2","created_at":"2026-07-05T06:24:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2305.11679","created_at":"2026-07-05T06:24:29Z"},{"alias_kind":"pith_short_12","alias_value":"WZVS6WLYJJ2M","created_at":"2026-07-05T06:24:29Z"},{"alias_kind":"pith_short_16","alias_value":"WZVS6WLYJJ2MANXY","created_at":"2026-07-05T06:24:29Z"},{"alias_kind":"pith_short_8","alias_value":"WZVS6WLY","created_at":"2026-07-05T06:24:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:WZVS6WLYJJ2MANXYPLNIPGE3SI","target":"record","payload":{"canonical_record":{"source":{"id":"2305.11679","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.atom-ph","submitted_at":"2023-05-19T13:54:20Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"b614a2081698129133c945648617d99c0a90074ae7341a7292b75a3a7cabbc6f","abstract_canon_sha256":"458a3fc4b7b7b6bcfe3ab53bd9306d43b204d7d8d1729a305a19bcc0180a4bd4"},"schema_version":"1.0"},"canonical_sha256":"b66b2f59784a74c036f87ada87989b922ab17b3aba15bd0d93e4c75e996f2e71","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:24:29.848419Z","signature_b64":"o296ZOv3ccSdTbNpiK1rQVM01Q1nSIiPFlTEmgOrqMUfu4OiCrDdEVsYydEnC/qvIPhWeONIRWzH87fdxXkYAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b66b2f59784a74c036f87ada87989b922ab17b3aba15bd0d93e4c75e996f2e71","last_reissued_at":"2026-07-05T06:24:29.847918Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:24:29.847918Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2305.11679","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":"2026-07-05T06:24:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9HOl+MQdciasrxOlZwgNi8istrwaAXhV9IJvGDMXyXD9hAx4U8x6GALODKLesqiR3VOCUpxW9e+Ncz23mvdvBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T21:37:19.819497Z"},"content_sha256":"29baa6e43771e693d44bf3c9c0fad9e2c2a3052241627c7110aecd26663441b7","schema_version":"1.0","event_id":"sha256:29baa6e43771e693d44bf3c9c0fad9e2c2a3052241627c7110aecd26663441b7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:WZVS6WLYJJ2MANXYPLNIPGE3SI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The helion charge radius from laser spectroscopy of muonic helium-3 ions","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["nucl-ex"],"primary_cat":"physics.atom-ph","authors_text":"Aldo Antognini, Andrea L. Gouvea, Andreas J. Dax, Andreas Knecht, Andreas Voss, Beatrice Franke, Birgit Weichelt, Boris Naar, Cristina M. B. Monteiro, Csilla I. Szabo, Daniel S. Covita, David Taqqu, Fernando D. Amaro, Fran\\c{c}ois Biraben, Fran\\c{c}oise Mulhauser, Fran\\c{c}ois Nez, Franz Kottmann, Jo\\~ao F. C. A. Veloso, Joaquim M. F. dos Santos, Johannes G\\\"otzfried, Jorge Machado, Jos\\'e Paulo Santos, Julian J. Krauth, Klaus Kirch, Lucile Julien, Luis M. P. Fernandes, Malte Hildebrandt, Marc Diepold, Marwan Abdou Ahmed, Paul Indelicato, Pedro Amaro, Randolf Pohl, Sandrine Galtier, The CREMA Collaboration: Karsten Schuhmann, Theodor W. H\\\"ansch, Thomas Graf, Tobias Nebel, Tzu-Ling Chen, Yi-Wei Liu","submitted_at":"2023-05-19T13:54:20Z","abstract_excerpt":"Hydrogen-like light muonic ions, in which one negative muon replaces all the electrons, are extremely sensitive probes of nuclear structure, because the large muon mass increases tremendously the wave function overlap with the nucleus. Using pulsed laser spectroscopy we have measured three 2S-2P transitions in the muonic helium-3 ion ($\\mu^3$He$^+$), an ion formed by a negative muon and bare helium-3 nucleus. This allowed us to extract the Lamb shift $E(2P_{1/2}-2S_{1/2})= 1258.598(48)^{\\rm exp}(3)^{\\rm theo}$ meV, the 2P fine structure splitting $E_{\\rm FS}^{\\rm exp} = 144.958(114)$ meV, and "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2305.11679","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2305.11679/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T06:24:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"S5OSwsHbp56vbtrYriTZ2EgAQ2ZWYzs/aQghRlSplGqkVBsyTKCvHJVnQZggRwIl/BmsCBluMvgwLH3WSLxaCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T21:37:19.820001Z"},"content_sha256":"96c54a1e19575df15fd99c610b8e2e667b457b1e93e9dfaa046e2b51503d177c","schema_version":"1.0","event_id":"sha256:96c54a1e19575df15fd99c610b8e2e667b457b1e93e9dfaa046e2b51503d177c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WZVS6WLYJJ2MANXYPLNIPGE3SI/bundle.json","state_url":"https://pith.science/pith/WZVS6WLYJJ2MANXYPLNIPGE3SI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WZVS6WLYJJ2MANXYPLNIPGE3SI/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":"2026-08-09T21:37:19Z","links":{"resolver":"https://pith.science/pith/WZVS6WLYJJ2MANXYPLNIPGE3SI","bundle":"https://pith.science/pith/WZVS6WLYJJ2MANXYPLNIPGE3SI/bundle.json","state":"https://pith.science/pith/WZVS6WLYJJ2MANXYPLNIPGE3SI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WZVS6WLYJJ2MANXYPLNIPGE3SI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:WZVS6WLYJJ2MANXYPLNIPGE3SI","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":"458a3fc4b7b7b6bcfe3ab53bd9306d43b204d7d8d1729a305a19bcc0180a4bd4","cross_cats_sorted":["nucl-ex"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.atom-ph","submitted_at":"2023-05-19T13:54:20Z","title_canon_sha256":"b614a2081698129133c945648617d99c0a90074ae7341a7292b75a3a7cabbc6f"},"schema_version":"1.0","source":{"id":"2305.11679","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2305.11679","created_at":"2026-07-05T06:24:29Z"},{"alias_kind":"arxiv_version","alias_value":"2305.11679v2","created_at":"2026-07-05T06:24:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2305.11679","created_at":"2026-07-05T06:24:29Z"},{"alias_kind":"pith_short_12","alias_value":"WZVS6WLYJJ2M","created_at":"2026-07-05T06:24:29Z"},{"alias_kind":"pith_short_16","alias_value":"WZVS6WLYJJ2MANXY","created_at":"2026-07-05T06:24:29Z"},{"alias_kind":"pith_short_8","alias_value":"WZVS6WLY","created_at":"2026-07-05T06:24:29Z"}],"graph_snapshots":[{"event_id":"sha256:96c54a1e19575df15fd99c610b8e2e667b457b1e93e9dfaa046e2b51503d177c","target":"graph","created_at":"2026-07-05T06:24:29Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2305.11679/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Hydrogen-like light muonic ions, in which one negative muon replaces all the electrons, are extremely sensitive probes of nuclear structure, because the large muon mass increases tremendously the wave function overlap with the nucleus. Using pulsed laser spectroscopy we have measured three 2S-2P transitions in the muonic helium-3 ion ($\\mu^3$He$^+$), an ion formed by a negative muon and bare helium-3 nucleus. This allowed us to extract the Lamb shift $E(2P_{1/2}-2S_{1/2})= 1258.598(48)^{\\rm exp}(3)^{\\rm theo}$ meV, the 2P fine structure splitting $E_{\\rm FS}^{\\rm exp} = 144.958(114)$ meV, and ","authors_text":"Aldo Antognini, Andrea L. Gouvea, Andreas J. Dax, Andreas Knecht, Andreas Voss, Beatrice Franke, Birgit Weichelt, Boris Naar, Cristina M. B. Monteiro, Csilla I. Szabo, Daniel S. Covita, David Taqqu, Fernando D. Amaro, Fran\\c{c}ois Biraben, Fran\\c{c}oise Mulhauser, Fran\\c{c}ois Nez, Franz Kottmann, Jo\\~ao F. C. A. Veloso, Joaquim M. F. dos Santos, Johannes G\\\"otzfried, Jorge Machado, Jos\\'e Paulo Santos, Julian J. Krauth, Klaus Kirch, Lucile Julien, Luis M. P. Fernandes, Malte Hildebrandt, Marc Diepold, Marwan Abdou Ahmed, Paul Indelicato, Pedro Amaro, Randolf Pohl, Sandrine Galtier, The CREMA Collaboration: Karsten Schuhmann, Theodor W. H\\\"ansch, Thomas Graf, Tobias Nebel, Tzu-Ling Chen, Yi-Wei Liu","cross_cats":["nucl-ex"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.atom-ph","submitted_at":"2023-05-19T13:54:20Z","title":"The helion charge radius from laser spectroscopy of muonic helium-3 ions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2305.11679","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":"sha256:29baa6e43771e693d44bf3c9c0fad9e2c2a3052241627c7110aecd26663441b7","target":"record","created_at":"2026-07-05T06:24:29Z","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":"458a3fc4b7b7b6bcfe3ab53bd9306d43b204d7d8d1729a305a19bcc0180a4bd4","cross_cats_sorted":["nucl-ex"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.atom-ph","submitted_at":"2023-05-19T13:54:20Z","title_canon_sha256":"b614a2081698129133c945648617d99c0a90074ae7341a7292b75a3a7cabbc6f"},"schema_version":"1.0","source":{"id":"2305.11679","kind":"arxiv","version":2}},"canonical_sha256":"b66b2f59784a74c036f87ada87989b922ab17b3aba15bd0d93e4c75e996f2e71","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b66b2f59784a74c036f87ada87989b922ab17b3aba15bd0d93e4c75e996f2e71","first_computed_at":"2026-07-05T06:24:29.847918Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:24:29.847918Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"o296ZOv3ccSdTbNpiK1rQVM01Q1nSIiPFlTEmgOrqMUfu4OiCrDdEVsYydEnC/qvIPhWeONIRWzH87fdxXkYAg==","signature_status":"signed_v1","signed_at":"2026-07-05T06:24:29.848419Z","signed_message":"canonical_sha256_bytes"},"source_id":"2305.11679","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:29baa6e43771e693d44bf3c9c0fad9e2c2a3052241627c7110aecd26663441b7","sha256:96c54a1e19575df15fd99c610b8e2e667b457b1e93e9dfaa046e2b51503d177c"],"state_sha256":"83b68d9f0e8a44cbf728acfe60378d7dd390d66b94e8114585da64aa50ce55d2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Jr15IcvM0nGWH36jcoLoWctmGznsptsNingIOMU7DPxVay69L1Qiod2lNT6yWNHIXolderfqu3IOE4v+Y+w+DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T21:37:19.826149Z","bundle_sha256":"11b5399c26729ae437f76b4248736f44d93fb5d4aa5f8075d44cc7a1a4d5106c"}}