{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:5U7K45K7TPBWCCF7UIGQS7FV4S","short_pith_number":"pith:5U7K45K7","canonical_record":{"source":{"id":"1609.00294","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2016-09-01T16:03:25Z","cross_cats_sorted":[],"title_canon_sha256":"f5b5823d9936c400a039a941ee48312872e6fc0299b1d76b7d8126c126de38d2","abstract_canon_sha256":"2772f6feb5d9ed19d9ceb9380a58c0d6f7262aaf693529b8090a23a77f466a2c"},"schema_version":"1.0"},"canonical_sha256":"ed3eae755f9bc36108bfa20d097cb5e4921de85e0819162e9bad4005306c3e14","source":{"kind":"arxiv","id":"1609.00294","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.00294","created_at":"2026-05-18T01:06:25Z"},{"alias_kind":"arxiv_version","alias_value":"1609.00294v1","created_at":"2026-05-18T01:06:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.00294","created_at":"2026-05-18T01:06:25Z"},{"alias_kind":"pith_short_12","alias_value":"5U7K45K7TPBW","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_16","alias_value":"5U7K45K7TPBWCCF7","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_8","alias_value":"5U7K45K7","created_at":"2026-05-18T12:30:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:5U7K45K7TPBWCCF7UIGQS7FV4S","target":"record","payload":{"canonical_record":{"source":{"id":"1609.00294","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2016-09-01T16:03:25Z","cross_cats_sorted":[],"title_canon_sha256":"f5b5823d9936c400a039a941ee48312872e6fc0299b1d76b7d8126c126de38d2","abstract_canon_sha256":"2772f6feb5d9ed19d9ceb9380a58c0d6f7262aaf693529b8090a23a77f466a2c"},"schema_version":"1.0"},"canonical_sha256":"ed3eae755f9bc36108bfa20d097cb5e4921de85e0819162e9bad4005306c3e14","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:06:25.205200Z","signature_b64":"KYtf21biFT8CrwP38CwxprlrG/g1oDv5R5nPT0WGx8TNfmsZPPjb3CshJNCf9Xqc9OHwNauOO8m438NLNmvQBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ed3eae755f9bc36108bfa20d097cb5e4921de85e0819162e9bad4005306c3e14","last_reissued_at":"2026-05-18T01:06:25.204808Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:06:25.204808Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1609.00294","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":"2026-05-18T01:06:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VIOEHAiHbhldNAZnqrguXtIAfElEHodn1SCBfkiimhW+MK6jsJA1l+3FuUrzOGJDU/Sq5o47BtpLCX0lM2jACQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T11:36:52.544271Z"},"content_sha256":"ca2f5fc8a273374b75f2fcd685618e0f0ac754c3aa46c1b0119ff6942fb35c89","schema_version":"1.0","event_id":"sha256:ca2f5fc8a273374b75f2fcd685618e0f0ac754c3aa46c1b0119ff6942fb35c89"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:5U7K45K7TPBWCCF7UIGQS7FV4S","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Single-particle and collective excitations in $^{62}$Ni","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"A. D. Ayangeakaa, A. Gade, A. M. Rogers, A. N. Deacon, B. DiGiovine, C. J. Chiara, C. J. Lister, C. Nair, C. R. Hoffman, D. Seweryniak, E. A. McCutchan, F. G. Kondev, H. M. David, I. Ragnarsson, J. Gellanki, M. Albers, M. Alcorta, M. P. Carpenter, P. Chowdhury, P. F. Bertone, R. V. F. Janssens, S. Zhu, T. Baugher, T. Lauritsen","submitted_at":"2016-09-01T16:03:25Z","abstract_excerpt":"{\\bf Background:} Level sequences of rotational character have been observed in several nuclei in the $A=60$ mass region. The importance of the deformation-driving $\\pi f_{7/2}$ and $\\nu g_{9/2}$ orbitals on the onset of nuclear deformation is stressed.\\\\ {\\bf Purpose:} A measurement was performed in order to identify collective rotational structures in the relatively neutron-rich $^{62}$Ni isotope. \\\\ {\\bf Method:} The $^{26}$Mg($^{48}$Ca,2$\\alpha$4$n\\gamma$)$^{62}$Ni complex reaction at beam energies between 275 and 320~MeV was utilized. Reaction products were identified in mass ($A$) and ch"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.00294","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":"2026-05-18T01:06:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NaxePjV+SI2SVbDAixPGDDy1Ihxnw4KnLhRdqcFlyx05VrdiGpMDMl/3tnhDeSjfq0L2HZxh0uq2J2Ahca/4Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T11:36:52.544849Z"},"content_sha256":"5fc764bb8a68c243f5c77433a8ee8c1ebc7783cecbef0720b9186f29a4bded1f","schema_version":"1.0","event_id":"sha256:5fc764bb8a68c243f5c77433a8ee8c1ebc7783cecbef0720b9186f29a4bded1f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5U7K45K7TPBWCCF7UIGQS7FV4S/bundle.json","state_url":"https://pith.science/pith/5U7K45K7TPBWCCF7UIGQS7FV4S/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5U7K45K7TPBWCCF7UIGQS7FV4S/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":"2026-05-26T11:36:52Z","links":{"resolver":"https://pith.science/pith/5U7K45K7TPBWCCF7UIGQS7FV4S","bundle":"https://pith.science/pith/5U7K45K7TPBWCCF7UIGQS7FV4S/bundle.json","state":"https://pith.science/pith/5U7K45K7TPBWCCF7UIGQS7FV4S/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5U7K45K7TPBWCCF7UIGQS7FV4S/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:5U7K45K7TPBWCCF7UIGQS7FV4S","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":"2772f6feb5d9ed19d9ceb9380a58c0d6f7262aaf693529b8090a23a77f466a2c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2016-09-01T16:03:25Z","title_canon_sha256":"f5b5823d9936c400a039a941ee48312872e6fc0299b1d76b7d8126c126de38d2"},"schema_version":"1.0","source":{"id":"1609.00294","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.00294","created_at":"2026-05-18T01:06:25Z"},{"alias_kind":"arxiv_version","alias_value":"1609.00294v1","created_at":"2026-05-18T01:06:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.00294","created_at":"2026-05-18T01:06:25Z"},{"alias_kind":"pith_short_12","alias_value":"5U7K45K7TPBW","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_16","alias_value":"5U7K45K7TPBWCCF7","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_8","alias_value":"5U7K45K7","created_at":"2026-05-18T12:30:01Z"}],"graph_snapshots":[{"event_id":"sha256:5fc764bb8a68c243f5c77433a8ee8c1ebc7783cecbef0720b9186f29a4bded1f","target":"graph","created_at":"2026-05-18T01:06:25Z","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":"{\\bf Background:} Level sequences of rotational character have been observed in several nuclei in the $A=60$ mass region. The importance of the deformation-driving $\\pi f_{7/2}$ and $\\nu g_{9/2}$ orbitals on the onset of nuclear deformation is stressed.\\\\ {\\bf Purpose:} A measurement was performed in order to identify collective rotational structures in the relatively neutron-rich $^{62}$Ni isotope. \\\\ {\\bf Method:} The $^{26}$Mg($^{48}$Ca,2$\\alpha$4$n\\gamma$)$^{62}$Ni complex reaction at beam energies between 275 and 320~MeV was utilized. Reaction products were identified in mass ($A$) and ch","authors_text":"A. D. Ayangeakaa, A. Gade, A. M. Rogers, A. N. Deacon, B. DiGiovine, C. J. Chiara, C. J. Lister, C. Nair, C. R. Hoffman, D. Seweryniak, E. A. McCutchan, F. G. Kondev, H. M. David, I. Ragnarsson, J. Gellanki, M. Albers, M. Alcorta, M. P. Carpenter, P. Chowdhury, P. F. Bertone, R. V. F. Janssens, S. Zhu, T. Baugher, T. Lauritsen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2016-09-01T16:03:25Z","title":"Single-particle and collective excitations in $^{62}$Ni"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.00294","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:ca2f5fc8a273374b75f2fcd685618e0f0ac754c3aa46c1b0119ff6942fb35c89","target":"record","created_at":"2026-05-18T01:06:25Z","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":"2772f6feb5d9ed19d9ceb9380a58c0d6f7262aaf693529b8090a23a77f466a2c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2016-09-01T16:03:25Z","title_canon_sha256":"f5b5823d9936c400a039a941ee48312872e6fc0299b1d76b7d8126c126de38d2"},"schema_version":"1.0","source":{"id":"1609.00294","kind":"arxiv","version":1}},"canonical_sha256":"ed3eae755f9bc36108bfa20d097cb5e4921de85e0819162e9bad4005306c3e14","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ed3eae755f9bc36108bfa20d097cb5e4921de85e0819162e9bad4005306c3e14","first_computed_at":"2026-05-18T01:06:25.204808Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:06:25.204808Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KYtf21biFT8CrwP38CwxprlrG/g1oDv5R5nPT0WGx8TNfmsZPPjb3CshJNCf9Xqc9OHwNauOO8m438NLNmvQBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:06:25.205200Z","signed_message":"canonical_sha256_bytes"},"source_id":"1609.00294","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ca2f5fc8a273374b75f2fcd685618e0f0ac754c3aa46c1b0119ff6942fb35c89","sha256:5fc764bb8a68c243f5c77433a8ee8c1ebc7783cecbef0720b9186f29a4bded1f"],"state_sha256":"607678e12567d37a89d44e4ed5916cdcd764fb742553dd0f79cf07f1d75f3a64"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3Ms2lKE2fMrAIHLTRiyKugbsRxnFFRLT31PJllnQhLUTCg59hOHHbAMU5ZtwJo1Cr1SHjwKKvcImha2loWBdCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T11:36:52.546986Z","bundle_sha256":"ec0a384691acaed5fafe6eea8441ec27459dd1f30e99f339ac9c136a8c702ba4"}}