{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:RN2XJVZEDLD2GFHROVTQUSWD3A","short_pith_number":"pith:RN2XJVZE","canonical_record":{"source":{"id":"1202.5185","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2012-02-23T14:12:26Z","cross_cats_sorted":["hep-ex","nucl-th"],"title_canon_sha256":"ffd2bd9f41051382f2d0a136de35f0f10f88b2c9c1b8a5859c87e7fb9d653ad3","abstract_canon_sha256":"56525083a5d6dbe104c3d506dfd71aa744a5635aaa77ac76661429e239c67140"},"schema_version":"1.0"},"canonical_sha256":"8b7574d7241ac7a314f175670a4ac3d81a1d99b8eab5e8b59945c244698324d5","source":{"kind":"arxiv","id":"1202.5185","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.5185","created_at":"2026-05-18T04:01:38Z"},{"alias_kind":"arxiv_version","alias_value":"1202.5185v1","created_at":"2026-05-18T04:01:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.5185","created_at":"2026-05-18T04:01:38Z"},{"alias_kind":"pith_short_12","alias_value":"RN2XJVZEDLD2","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_16","alias_value":"RN2XJVZEDLD2GFHR","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_8","alias_value":"RN2XJVZE","created_at":"2026-05-18T12:27:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:RN2XJVZEDLD2GFHROVTQUSWD3A","target":"record","payload":{"canonical_record":{"source":{"id":"1202.5185","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2012-02-23T14:12:26Z","cross_cats_sorted":["hep-ex","nucl-th"],"title_canon_sha256":"ffd2bd9f41051382f2d0a136de35f0f10f88b2c9c1b8a5859c87e7fb9d653ad3","abstract_canon_sha256":"56525083a5d6dbe104c3d506dfd71aa744a5635aaa77ac76661429e239c67140"},"schema_version":"1.0"},"canonical_sha256":"8b7574d7241ac7a314f175670a4ac3d81a1d99b8eab5e8b59945c244698324d5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:01:38.768908Z","signature_b64":"eZw+0cNLiAJs8nCw7zEE4WOyvOqwS/bk2Fu7Fs7BPAad3UkXmEUrpkaM+YSWdGkfRwHgcETbfgQnci8XlZaACw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8b7574d7241ac7a314f175670a4ac3d81a1d99b8eab5e8b59945c244698324d5","last_reissued_at":"2026-05-18T04:01:38.768233Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:01:38.768233Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1202.5185","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":"2026-05-18T04:01:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gZpxNs7IcTLkdQCcq/Tb+M+OfpZnCt+lTp/FIYyRtfVdjIHb26kr1IT6TTtwt6NvA4VYf67qXPprpyCYKwgPDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T21:28:26.626564Z"},"content_sha256":"a0c8efd2bd0b865079f53156addcd36394943b2d0761e6d069929c4d47c56f3f","schema_version":"1.0","event_id":"sha256:a0c8efd2bd0b865079f53156addcd36394943b2d0761e6d069929c4d47c56f3f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:RN2XJVZEDLD2GFHROVTQUSWD3A","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Excitation functions of proton-induced reactions on natural Nd in the 10-30 MeV energy range, and production of radionuclides relevant for double-{\\beta} decay","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","nucl-th"],"primary_cat":"nucl-ex","authors_text":"(2) Technische Universit\\\"at Dresden, 3), (3) Present address, Czech Republic, Darmstadt, Dresden, Germany, Germany.), Husinec-\\v{R}e\\v{z}, Institut f\\\"ur Kernphysik, Institut f\\\"ur Kern-und Teilchenphysik, J. \\v{S}tursa (1), K. Zuber (2) ((1) Nuclear Physics Institute of the Academy of Sciences of the Czech Republic, O. Lebeda (1), P. Schrock (2, Technical University Darmstadt, V. Lozza (2)","submitted_at":"2012-02-23T14:12:26Z","abstract_excerpt":"A preferred candidate for neutrinoless double-{\\beta} decay, 150Nd, is present in natural neodymium at an abundance level of 5.64%. However, neodymium could be activated by cosmic rays during the period it spends on the Earth's surface. Its activation by protons is therefore of interest when it comes to estimating the possible disturbance effects and increased background during neutrinoless double-{\\beta}-decay experiments like Sudbury Neutrino Observatory plus liquid scintillator (SNO+). In most cases, we lack experimental data on proton-induced reactions on neodymium. Therefore, a measuremen"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.5185","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":"2026-05-18T04:01:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"A08U8JYG+UvoHB8dkqVFwct857DWmM6ZZ3flTYYuTKhlCFhaUIpuWrf9bfvSWOHDhehpJK8AYsFnOHsRTVX8Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T21:28:26.627232Z"},"content_sha256":"2a797fc3dd65b7525e1bf27be2952fc78fe610410c044c52878d89ddb2ab3b6d","schema_version":"1.0","event_id":"sha256:2a797fc3dd65b7525e1bf27be2952fc78fe610410c044c52878d89ddb2ab3b6d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RN2XJVZEDLD2GFHROVTQUSWD3A/bundle.json","state_url":"https://pith.science/pith/RN2XJVZEDLD2GFHROVTQUSWD3A/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RN2XJVZEDLD2GFHROVTQUSWD3A/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":"2026-06-05T21:28:26Z","links":{"resolver":"https://pith.science/pith/RN2XJVZEDLD2GFHROVTQUSWD3A","bundle":"https://pith.science/pith/RN2XJVZEDLD2GFHROVTQUSWD3A/bundle.json","state":"https://pith.science/pith/RN2XJVZEDLD2GFHROVTQUSWD3A/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RN2XJVZEDLD2GFHROVTQUSWD3A/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:RN2XJVZEDLD2GFHROVTQUSWD3A","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":"56525083a5d6dbe104c3d506dfd71aa744a5635aaa77ac76661429e239c67140","cross_cats_sorted":["hep-ex","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2012-02-23T14:12:26Z","title_canon_sha256":"ffd2bd9f41051382f2d0a136de35f0f10f88b2c9c1b8a5859c87e7fb9d653ad3"},"schema_version":"1.0","source":{"id":"1202.5185","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.5185","created_at":"2026-05-18T04:01:38Z"},{"alias_kind":"arxiv_version","alias_value":"1202.5185v1","created_at":"2026-05-18T04:01:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.5185","created_at":"2026-05-18T04:01:38Z"},{"alias_kind":"pith_short_12","alias_value":"RN2XJVZEDLD2","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_16","alias_value":"RN2XJVZEDLD2GFHR","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_8","alias_value":"RN2XJVZE","created_at":"2026-05-18T12:27:20Z"}],"graph_snapshots":[{"event_id":"sha256:2a797fc3dd65b7525e1bf27be2952fc78fe610410c044c52878d89ddb2ab3b6d","target":"graph","created_at":"2026-05-18T04:01:38Z","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":"A preferred candidate for neutrinoless double-{\\beta} decay, 150Nd, is present in natural neodymium at an abundance level of 5.64%. However, neodymium could be activated by cosmic rays during the period it spends on the Earth's surface. Its activation by protons is therefore of interest when it comes to estimating the possible disturbance effects and increased background during neutrinoless double-{\\beta}-decay experiments like Sudbury Neutrino Observatory plus liquid scintillator (SNO+). In most cases, we lack experimental data on proton-induced reactions on neodymium. Therefore, a measuremen","authors_text":"(2) Technische Universit\\\"at Dresden, 3), (3) Present address, Czech Republic, Darmstadt, Dresden, Germany, Germany.), Husinec-\\v{R}e\\v{z}, Institut f\\\"ur Kernphysik, Institut f\\\"ur Kern-und Teilchenphysik, J. \\v{S}tursa (1), K. Zuber (2) ((1) Nuclear Physics Institute of the Academy of Sciences of the Czech Republic, O. Lebeda (1), P. Schrock (2, Technical University Darmstadt, V. Lozza (2)","cross_cats":["hep-ex","nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2012-02-23T14:12:26Z","title":"Excitation functions of proton-induced reactions on natural Nd in the 10-30 MeV energy range, and production of radionuclides relevant for double-{\\beta} decay"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.5185","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:a0c8efd2bd0b865079f53156addcd36394943b2d0761e6d069929c4d47c56f3f","target":"record","created_at":"2026-05-18T04:01:38Z","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":"56525083a5d6dbe104c3d506dfd71aa744a5635aaa77ac76661429e239c67140","cross_cats_sorted":["hep-ex","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2012-02-23T14:12:26Z","title_canon_sha256":"ffd2bd9f41051382f2d0a136de35f0f10f88b2c9c1b8a5859c87e7fb9d653ad3"},"schema_version":"1.0","source":{"id":"1202.5185","kind":"arxiv","version":1}},"canonical_sha256":"8b7574d7241ac7a314f175670a4ac3d81a1d99b8eab5e8b59945c244698324d5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8b7574d7241ac7a314f175670a4ac3d81a1d99b8eab5e8b59945c244698324d5","first_computed_at":"2026-05-18T04:01:38.768233Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:01:38.768233Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"eZw+0cNLiAJs8nCw7zEE4WOyvOqwS/bk2Fu7Fs7BPAad3UkXmEUrpkaM+YSWdGkfRwHgcETbfgQnci8XlZaACw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:01:38.768908Z","signed_message":"canonical_sha256_bytes"},"source_id":"1202.5185","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a0c8efd2bd0b865079f53156addcd36394943b2d0761e6d069929c4d47c56f3f","sha256:2a797fc3dd65b7525e1bf27be2952fc78fe610410c044c52878d89ddb2ab3b6d"],"state_sha256":"b09aa8d9333a8a69ffdfd8c26fd6102a983bfb61a1a20b3cf603a437d47c6bc9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Zk28L/BYXXXF4E6tR/ssPTcxobIKdUVEBYdJqUUb3RWNy4ggFTcwK2X6JpOz++RPkIrq9cLHksqaoHw9xEXxBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T21:28:26.630829Z","bundle_sha256":"4adf8d64c868a46f5ba5430c849535ebf7e72a9670b564b000caff3bc890690b"}}