{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:DYWOIIBH5JXTOIZSAIOIK7NQ4Q","short_pith_number":"pith:DYWOIIBH","canonical_record":{"source":{"id":"1506.04515","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2015-06-15T08:45:14Z","cross_cats_sorted":[],"title_canon_sha256":"4c5367ea06ecdf7ca47ba316794b5d253636179c55e237434bb566346d1d2b3c","abstract_canon_sha256":"8617adabc1d6ef08fafc39c39110a446110e4776d65523515eecc63c724b0884"},"schema_version":"1.0"},"canonical_sha256":"1e2ce42027ea6f372332021c857db0e423b0cdd4508ea5757a2decc7a00ae944","source":{"kind":"arxiv","id":"1506.04515","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.04515","created_at":"2026-05-18T01:28:55Z"},{"alias_kind":"arxiv_version","alias_value":"1506.04515v1","created_at":"2026-05-18T01:28:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.04515","created_at":"2026-05-18T01:28:55Z"},{"alias_kind":"pith_short_12","alias_value":"DYWOIIBH5JXT","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_16","alias_value":"DYWOIIBH5JXTOIZS","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_8","alias_value":"DYWOIIBH","created_at":"2026-05-18T12:29:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:DYWOIIBH5JXTOIZSAIOIK7NQ4Q","target":"record","payload":{"canonical_record":{"source":{"id":"1506.04515","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2015-06-15T08:45:14Z","cross_cats_sorted":[],"title_canon_sha256":"4c5367ea06ecdf7ca47ba316794b5d253636179c55e237434bb566346d1d2b3c","abstract_canon_sha256":"8617adabc1d6ef08fafc39c39110a446110e4776d65523515eecc63c724b0884"},"schema_version":"1.0"},"canonical_sha256":"1e2ce42027ea6f372332021c857db0e423b0cdd4508ea5757a2decc7a00ae944","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:28:55.082143Z","signature_b64":"iIvPqn9Hk1GVRedGMp+MJpWpiOP1SniJIMhMI6HwYgeFn4xH05DRYqQEWtdC4u+p7by0J0hMTnOLcrbBpZMhDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1e2ce42027ea6f372332021c857db0e423b0cdd4508ea5757a2decc7a00ae944","last_reissued_at":"2026-05-18T01:28:55.081497Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:28:55.081497Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1506.04515","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":"2026-05-18T01:28:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hwrZCQCid6T070BzJ1lXbQI33VBjgPvQTOKzsd73JEm5sOJzIn/i16H05J4oWl4qR0ZXt6s53aq1GdD/weN1AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T01:13:52.661773Z"},"content_sha256":"af69c747eea82c3fc468891a6ff890325e7c85ba5a499c7cc891369764b0624a","schema_version":"1.0","event_id":"sha256:af69c747eea82c3fc468891a6ff890325e7c85ba5a499c7cc891369764b0624a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:DYWOIIBH5JXTOIZSAIOIK7NQ4Q","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Beta-delayed proton emission from $^{21}$Mg","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"A. Perea, B. Jonson, H.O.U. Fynbo, J.A. Briz, J. Cederk\\\"all, J.H. Jensen, K.L. Laursen, K. Riisager, M.J.G. Borge, M.V. Lund, O. Tengblad, T. Nilsson, V. Pesudo","submitted_at":"2015-06-15T08:45:14Z","abstract_excerpt":"Beta-delayed proton emission from $^{21}$Mg has been measured at ISOLDE, CERN, with a detection setup including particle identification capabilities. $\\beta$-delayed protons with center of mass energies between 0.39$\\,$MeV and 7.2$\\,$MeV were measured and used to determine the half life of $^{21}$Mg as $118.6\\pm 0.5\\,$ms. From a line shape fit of the $\\beta p$ branches we extract spectroscopic information about the resonances of $^{21}$Na. Finally an improved interpretation of the decay scheme in accordance with the results obtained in reaction studies is presented."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.04515","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":"2026-05-18T01:28:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"j8B+P1gDxn0nYqT4T3E5pqQW1RmZQoTR2vCtKPoMrDYZExFwyQ0n7oOwqIMTUWfLI7JhYklkYgAdpBb3It4EBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T01:13:52.662132Z"},"content_sha256":"e72f54dd5164f6ed48c98f88877fa0f0a7d2ce7d01f783c8e485454d8fd917d0","schema_version":"1.0","event_id":"sha256:e72f54dd5164f6ed48c98f88877fa0f0a7d2ce7d01f783c8e485454d8fd917d0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DYWOIIBH5JXTOIZSAIOIK7NQ4Q/bundle.json","state_url":"https://pith.science/pith/DYWOIIBH5JXTOIZSAIOIK7NQ4Q/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DYWOIIBH5JXTOIZSAIOIK7NQ4Q/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":"2026-05-27T01:13:52Z","links":{"resolver":"https://pith.science/pith/DYWOIIBH5JXTOIZSAIOIK7NQ4Q","bundle":"https://pith.science/pith/DYWOIIBH5JXTOIZSAIOIK7NQ4Q/bundle.json","state":"https://pith.science/pith/DYWOIIBH5JXTOIZSAIOIK7NQ4Q/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DYWOIIBH5JXTOIZSAIOIK7NQ4Q/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:DYWOIIBH5JXTOIZSAIOIK7NQ4Q","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":"8617adabc1d6ef08fafc39c39110a446110e4776d65523515eecc63c724b0884","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2015-06-15T08:45:14Z","title_canon_sha256":"4c5367ea06ecdf7ca47ba316794b5d253636179c55e237434bb566346d1d2b3c"},"schema_version":"1.0","source":{"id":"1506.04515","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.04515","created_at":"2026-05-18T01:28:55Z"},{"alias_kind":"arxiv_version","alias_value":"1506.04515v1","created_at":"2026-05-18T01:28:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.04515","created_at":"2026-05-18T01:28:55Z"},{"alias_kind":"pith_short_12","alias_value":"DYWOIIBH5JXT","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_16","alias_value":"DYWOIIBH5JXTOIZS","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_8","alias_value":"DYWOIIBH","created_at":"2026-05-18T12:29:17Z"}],"graph_snapshots":[{"event_id":"sha256:e72f54dd5164f6ed48c98f88877fa0f0a7d2ce7d01f783c8e485454d8fd917d0","target":"graph","created_at":"2026-05-18T01:28:55Z","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":"Beta-delayed proton emission from $^{21}$Mg has been measured at ISOLDE, CERN, with a detection setup including particle identification capabilities. $\\beta$-delayed protons with center of mass energies between 0.39$\\,$MeV and 7.2$\\,$MeV were measured and used to determine the half life of $^{21}$Mg as $118.6\\pm 0.5\\,$ms. From a line shape fit of the $\\beta p$ branches we extract spectroscopic information about the resonances of $^{21}$Na. Finally an improved interpretation of the decay scheme in accordance with the results obtained in reaction studies is presented.","authors_text":"A. Perea, B. Jonson, H.O.U. Fynbo, J.A. Briz, J. Cederk\\\"all, J.H. Jensen, K.L. Laursen, K. Riisager, M.J.G. Borge, M.V. Lund, O. Tengblad, T. Nilsson, V. Pesudo","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2015-06-15T08:45:14Z","title":"Beta-delayed proton emission from $^{21}$Mg"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.04515","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:af69c747eea82c3fc468891a6ff890325e7c85ba5a499c7cc891369764b0624a","target":"record","created_at":"2026-05-18T01:28:55Z","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":"8617adabc1d6ef08fafc39c39110a446110e4776d65523515eecc63c724b0884","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2015-06-15T08:45:14Z","title_canon_sha256":"4c5367ea06ecdf7ca47ba316794b5d253636179c55e237434bb566346d1d2b3c"},"schema_version":"1.0","source":{"id":"1506.04515","kind":"arxiv","version":1}},"canonical_sha256":"1e2ce42027ea6f372332021c857db0e423b0cdd4508ea5757a2decc7a00ae944","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1e2ce42027ea6f372332021c857db0e423b0cdd4508ea5757a2decc7a00ae944","first_computed_at":"2026-05-18T01:28:55.081497Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:28:55.081497Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iIvPqn9Hk1GVRedGMp+MJpWpiOP1SniJIMhMI6HwYgeFn4xH05DRYqQEWtdC4u+p7by0J0hMTnOLcrbBpZMhDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:28:55.082143Z","signed_message":"canonical_sha256_bytes"},"source_id":"1506.04515","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:af69c747eea82c3fc468891a6ff890325e7c85ba5a499c7cc891369764b0624a","sha256:e72f54dd5164f6ed48c98f88877fa0f0a7d2ce7d01f783c8e485454d8fd917d0"],"state_sha256":"9b650f47fc51d43a1467d895fee80929910a8f0237f775eddb5cb4343e879775"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1DaliO8/TmKUxPymtUshJkXIAjLXomkpgO6SVKO+EwnIvUw0o0FM4hE0CV+WIagEeLGjgnjKz1B5zWpdYYp1BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T01:13:52.664219Z","bundle_sha256":"c39ca0146c9812a4beb634f95e805e25058d31c1a699c3c4823c84607074cca6"}}