{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:JSYHTCWIQ26LZNMASYTYPKL2TU","short_pith_number":"pith:JSYHTCWI","schema_version":"1.0","canonical_sha256":"4cb0798ac886bcbcb580962787a97a9d1b06531c4bf3f491a9da04e281bb95cc","source":{"kind":"arxiv","id":"1912.02884","version":1},"attestation_state":"computed","paper":{"title":"Electromagnetic properties of $^{21}$O for benchmarking nuclear Hamiltonians","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"nucl-ex","authors_text":"A. Gade, A. Hufnagel, A. Schwenk, B. A. Brown, B. Elman, B. Longfellow, C. Loelius, D. Bazin, D. Weisshaar, E. Lunderberg, H. Iwasaki, I. Syndikus, J. Belarge, J. D. Holt, J. Men\\'endez, J. Simonis, K. Vobig, K. Whitmore, M. Mathy, M. Petri, N. Kobayashi, P. Bender, R. Elder, R. Roth, S. Heil, S. Paschalis, T. Haylett, T. H\\\"uther","submitted_at":"2019-12-05T21:31:19Z","abstract_excerpt":"The structure of exotic nuclei provides valuable tests for state-of-the-art nuclear theory. In particular electromagnetic transition rates are more sensitive to aspects of nuclear forces and many-body physics than excitation energies alone. We report the first lifetime measurement of excited states in $^{21}$O, finding $\\tau_{1/2^+}=420^{+35}_{-32}\\text{(stat)}^{+34}_{-12}\\text{(sys)}$\\,ps. This result together with the deduced level scheme and branching ratio of several $\\gamma$-ray decays are compared to both phenomenological shell-model and ab initio calculations based on two- and three-nuc"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1912.02884","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2019-12-05T21:31:19Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"9f21e9dded7d16dda193e084291cd150e0503e3f3bd35b76a0112eefaa845053","abstract_canon_sha256":"3974ebe7e9168f6daa095d38f2ada16094cc6e99de8d8f74075b3a86b4b2c631"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:27:44.092656Z","signature_b64":"m+IOJMj9NLNR4Jxk4znfM4bePZU5etcoXf5recaR7srAtuSQVL0Y3LpcNrjvsq3OZLLMwI2JxacWh8seLnR3Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4cb0798ac886bcbcb580962787a97a9d1b06531c4bf3f491a9da04e281bb95cc","last_reissued_at":"2026-07-05T01:27:44.092188Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:27:44.092188Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Electromagnetic properties of $^{21}$O for benchmarking nuclear Hamiltonians","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"nucl-ex","authors_text":"A. Gade, A. Hufnagel, A. Schwenk, B. A. Brown, B. Elman, B. Longfellow, C. Loelius, D. Bazin, D. Weisshaar, E. Lunderberg, H. Iwasaki, I. Syndikus, J. Belarge, J. D. Holt, J. Men\\'endez, J. Simonis, K. Vobig, K. Whitmore, M. Mathy, M. Petri, N. Kobayashi, P. Bender, R. Elder, R. Roth, S. Heil, S. Paschalis, T. Haylett, T. H\\\"uther","submitted_at":"2019-12-05T21:31:19Z","abstract_excerpt":"The structure of exotic nuclei provides valuable tests for state-of-the-art nuclear theory. In particular electromagnetic transition rates are more sensitive to aspects of nuclear forces and many-body physics than excitation energies alone. We report the first lifetime measurement of excited states in $^{21}$O, finding $\\tau_{1/2^+}=420^{+35}_{-32}\\text{(stat)}^{+34}_{-12}\\text{(sys)}$\\,ps. This result together with the deduced level scheme and branching ratio of several $\\gamma$-ray decays are compared to both phenomenological shell-model and ab initio calculations based on two- and three-nuc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1912.02884","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1912.02884/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1912.02884","created_at":"2026-07-05T01:27:44.092262+00:00"},{"alias_kind":"arxiv_version","alias_value":"1912.02884v1","created_at":"2026-07-05T01:27:44.092262+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1912.02884","created_at":"2026-07-05T01:27:44.092262+00:00"},{"alias_kind":"pith_short_12","alias_value":"JSYHTCWIQ26L","created_at":"2026-07-05T01:27:44.092262+00:00"},{"alias_kind":"pith_short_16","alias_value":"JSYHTCWIQ26LZNMA","created_at":"2026-07-05T01:27:44.092262+00:00"},{"alias_kind":"pith_short_8","alias_value":"JSYHTCWI","created_at":"2026-07-05T01:27:44.092262+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/JSYHTCWIQ26LZNMASYTYPKL2TU","json":"https://pith.science/pith/JSYHTCWIQ26LZNMASYTYPKL2TU.json","graph_json":"https://pith.science/api/pith-number/JSYHTCWIQ26LZNMASYTYPKL2TU/graph.json","events_json":"https://pith.science/api/pith-number/JSYHTCWIQ26LZNMASYTYPKL2TU/events.json","paper":"https://pith.science/paper/JSYHTCWI"},"agent_actions":{"view_html":"https://pith.science/pith/JSYHTCWIQ26LZNMASYTYPKL2TU","download_json":"https://pith.science/pith/JSYHTCWIQ26LZNMASYTYPKL2TU.json","view_paper":"https://pith.science/paper/JSYHTCWI","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1912.02884&json=true","fetch_graph":"https://pith.science/api/pith-number/JSYHTCWIQ26LZNMASYTYPKL2TU/graph.json","fetch_events":"https://pith.science/api/pith-number/JSYHTCWIQ26LZNMASYTYPKL2TU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JSYHTCWIQ26LZNMASYTYPKL2TU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JSYHTCWIQ26LZNMASYTYPKL2TU/action/storage_attestation","attest_author":"https://pith.science/pith/JSYHTCWIQ26LZNMASYTYPKL2TU/action/author_attestation","sign_citation":"https://pith.science/pith/JSYHTCWIQ26LZNMASYTYPKL2TU/action/citation_signature","submit_replication":"https://pith.science/pith/JSYHTCWIQ26LZNMASYTYPKL2TU/action/replication_record"}},"created_at":"2026-07-05T01:27:44.092262+00:00","updated_at":"2026-07-05T01:27:44.092262+00:00"}