{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:MKUV7ARB36SYQG5QEY4PBKXJBO","short_pith_number":"pith:MKUV7ARB","canonical_record":{"source":{"id":"1110.1236","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2011-10-06T12:09:05Z","cross_cats_sorted":[],"title_canon_sha256":"0dfec93344313ea022479e4a34a07f5a285181194a0e06d577b13e25e337cb1b","abstract_canon_sha256":"037c06b9c68997463c05d8d7faadd2f88aa98dfc81a6eb50e1ebf33cc046ef54"},"schema_version":"1.0"},"canonical_sha256":"62a95f8221dfa5881bb02638f0aae90ba75a6acacf9f78b21d9e6f87fd677e8d","source":{"kind":"arxiv","id":"1110.1236","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.1236","created_at":"2026-05-18T02:00:17Z"},{"alias_kind":"arxiv_version","alias_value":"1110.1236v1","created_at":"2026-05-18T02:00:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.1236","created_at":"2026-05-18T02:00:17Z"},{"alias_kind":"pith_short_12","alias_value":"MKUV7ARB36SY","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_16","alias_value":"MKUV7ARB36SYQG5Q","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_8","alias_value":"MKUV7ARB","created_at":"2026-05-18T12:26:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:MKUV7ARB36SYQG5QEY4PBKXJBO","target":"record","payload":{"canonical_record":{"source":{"id":"1110.1236","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2011-10-06T12:09:05Z","cross_cats_sorted":[],"title_canon_sha256":"0dfec93344313ea022479e4a34a07f5a285181194a0e06d577b13e25e337cb1b","abstract_canon_sha256":"037c06b9c68997463c05d8d7faadd2f88aa98dfc81a6eb50e1ebf33cc046ef54"},"schema_version":"1.0"},"canonical_sha256":"62a95f8221dfa5881bb02638f0aae90ba75a6acacf9f78b21d9e6f87fd677e8d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:00:17.102460Z","signature_b64":"QOxjOVMgzZBzQI0qtuOks8sOynRfmQEXlVeHQCmaHOlZ2VhcPGanIKL9XZ83htyvONQtDLSBIGyqSYBLKYs1CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"62a95f8221dfa5881bb02638f0aae90ba75a6acacf9f78b21d9e6f87fd677e8d","last_reissued_at":"2026-05-18T02:00:17.101901Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:00:17.101901Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1110.1236","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":"2026-05-18T02:00:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sN8uYK06+o0FXmUuIhxc14uNE7gqWDEDSFYgMhwkRv21MnOevD3EIi1DEIYGE0+6sM2GygxX4lVBZDjsh5VxBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T08:51:02.629629Z"},"content_sha256":"6b3e9ef58187e3ad3ce9663e9f5954abd8eee2b68ae40e8637f4884b0de70c7b","schema_version":"1.0","event_id":"sha256:6b3e9ef58187e3ad3ce9663e9f5954abd8eee2b68ae40e8637f4884b0de70c7b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:MKUV7ARB36SYQG5QEY4PBKXJBO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spectroscopy of $^{18}$Na: Bridging the two-proton radioactivity of $^{19}$Mg","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"A. Lefebvre-Schuhl, A. M. S\\'anchez-Ben\\'itez, C. Borcea, C. Ducoin, D.Y. Pang, F. de Grancey, F. de Oliveira Santos, F. Rotaru, G. Lotay, I. Celikovic, I. Stefan, J. Alc\\'antara-N\\'u\\~nez, J.-C. Ang\\'elique, J. Kiener, J. Mrazek, K. Subotic, L. Achouri, L. Caceres, L. Perrot, M. Assi\\'e, M. Fallot, M-G. Saint-Laurent, M. Stanoiu, N. Smirnova, O. Kamalou, P.J. Woods, P. Ujic, R. Borcea, R. Wolski, T. Al Kalanee, T. Davinson, V. Chudoba, Y. Lam, Yu. Sobolev","submitted_at":"2011-10-06T12:09:05Z","abstract_excerpt":"The unbound nucleus $^{18}$Na, the intermediate nucleus in the two-proton radioactivity of $^{19}$Mg, was studied by the measurement of the resonant elastic scattering reaction $^{17}$Ne(p,$^{17}$Ne)p performed at 4 A.MeV. Spectroscopic properties of the low-lying states were obtained in a R-matrix analysis of the excitation function. Using these new results, we show that the lifetime of the $^{19}$Mg radioactivity can be understood assuming a sequential emission of two protons via low energy tails of $^{18}$Na resonances."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.1236","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":"2026-05-18T02:00:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"N3aP9jf66MM/eHHayQAhliyzDKTzzg8V+w0QHoV8Bb1NbKtZSi6JyuVusyMgprMMjkCJxmAVmUc9wNOEegBKCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T08:51:02.630045Z"},"content_sha256":"20ed822113049aa36d80400d3127cea0a39d230fcc8c54ee02b017aea49bb43a","schema_version":"1.0","event_id":"sha256:20ed822113049aa36d80400d3127cea0a39d230fcc8c54ee02b017aea49bb43a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MKUV7ARB36SYQG5QEY4PBKXJBO/bundle.json","state_url":"https://pith.science/pith/MKUV7ARB36SYQG5QEY4PBKXJBO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MKUV7ARB36SYQG5QEY4PBKXJBO/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":"2026-05-27T08:51:02Z","links":{"resolver":"https://pith.science/pith/MKUV7ARB36SYQG5QEY4PBKXJBO","bundle":"https://pith.science/pith/MKUV7ARB36SYQG5QEY4PBKXJBO/bundle.json","state":"https://pith.science/pith/MKUV7ARB36SYQG5QEY4PBKXJBO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MKUV7ARB36SYQG5QEY4PBKXJBO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:MKUV7ARB36SYQG5QEY4PBKXJBO","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":"037c06b9c68997463c05d8d7faadd2f88aa98dfc81a6eb50e1ebf33cc046ef54","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2011-10-06T12:09:05Z","title_canon_sha256":"0dfec93344313ea022479e4a34a07f5a285181194a0e06d577b13e25e337cb1b"},"schema_version":"1.0","source":{"id":"1110.1236","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.1236","created_at":"2026-05-18T02:00:17Z"},{"alias_kind":"arxiv_version","alias_value":"1110.1236v1","created_at":"2026-05-18T02:00:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.1236","created_at":"2026-05-18T02:00:17Z"},{"alias_kind":"pith_short_12","alias_value":"MKUV7ARB36SY","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_16","alias_value":"MKUV7ARB36SYQG5Q","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_8","alias_value":"MKUV7ARB","created_at":"2026-05-18T12:26:34Z"}],"graph_snapshots":[{"event_id":"sha256:20ed822113049aa36d80400d3127cea0a39d230fcc8c54ee02b017aea49bb43a","target":"graph","created_at":"2026-05-18T02:00:17Z","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 unbound nucleus $^{18}$Na, the intermediate nucleus in the two-proton radioactivity of $^{19}$Mg, was studied by the measurement of the resonant elastic scattering reaction $^{17}$Ne(p,$^{17}$Ne)p performed at 4 A.MeV. Spectroscopic properties of the low-lying states were obtained in a R-matrix analysis of the excitation function. Using these new results, we show that the lifetime of the $^{19}$Mg radioactivity can be understood assuming a sequential emission of two protons via low energy tails of $^{18}$Na resonances.","authors_text":"A. Lefebvre-Schuhl, A. M. S\\'anchez-Ben\\'itez, C. Borcea, C. Ducoin, D.Y. Pang, F. de Grancey, F. de Oliveira Santos, F. Rotaru, G. Lotay, I. Celikovic, I. Stefan, J. Alc\\'antara-N\\'u\\~nez, J.-C. Ang\\'elique, J. Kiener, J. Mrazek, K. Subotic, L. Achouri, L. Caceres, L. Perrot, M. Assi\\'e, M. Fallot, M-G. Saint-Laurent, M. Stanoiu, N. Smirnova, O. Kamalou, P.J. Woods, P. Ujic, R. Borcea, R. Wolski, T. Al Kalanee, T. Davinson, V. Chudoba, Y. Lam, Yu. Sobolev","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2011-10-06T12:09:05Z","title":"Spectroscopy of $^{18}$Na: Bridging the two-proton radioactivity of $^{19}$Mg"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.1236","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":"sha256:6b3e9ef58187e3ad3ce9663e9f5954abd8eee2b68ae40e8637f4884b0de70c7b","target":"record","created_at":"2026-05-18T02:00:17Z","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":"037c06b9c68997463c05d8d7faadd2f88aa98dfc81a6eb50e1ebf33cc046ef54","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2011-10-06T12:09:05Z","title_canon_sha256":"0dfec93344313ea022479e4a34a07f5a285181194a0e06d577b13e25e337cb1b"},"schema_version":"1.0","source":{"id":"1110.1236","kind":"arxiv","version":1}},"canonical_sha256":"62a95f8221dfa5881bb02638f0aae90ba75a6acacf9f78b21d9e6f87fd677e8d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"62a95f8221dfa5881bb02638f0aae90ba75a6acacf9f78b21d9e6f87fd677e8d","first_computed_at":"2026-05-18T02:00:17.101901Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:00:17.101901Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QOxjOVMgzZBzQI0qtuOks8sOynRfmQEXlVeHQCmaHOlZ2VhcPGanIKL9XZ83htyvONQtDLSBIGyqSYBLKYs1CA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:00:17.102460Z","signed_message":"canonical_sha256_bytes"},"source_id":"1110.1236","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6b3e9ef58187e3ad3ce9663e9f5954abd8eee2b68ae40e8637f4884b0de70c7b","sha256:20ed822113049aa36d80400d3127cea0a39d230fcc8c54ee02b017aea49bb43a"],"state_sha256":"f330b2d07a4f5c8ebd21472982d4debf79c2537b401b03f7bd7f72c769fd18a2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"B+87hWgsSTA4FWgXZ7C9pnwH5BK48QCcq47ZeoORMQavbthjmjsUiEFjSgPwYLhjV7auGSB0o9gYgCGII1gNDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T08:51:02.633490Z","bundle_sha256":"6a607f75afdea4ddad0e2bf772bef0ab13bfb13f4eb99cfe9838fd1cbafaec2a"}}