{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:2JI7QCYWICYAJA5QGJJQVU3BFS","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":"4df669b77b2716e059216d138f952ca730c88a2f0fbed7e6048f913033508d19","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2018-03-29T07:47:42Z","title_canon_sha256":"b3c37c85abac08c88730bbd3dd9db1b6b6be6404f76bedf3b26f0f6ff4235fb8"},"schema_version":"1.0","source":{"id":"1803.10946","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.10946","created_at":"2026-05-18T00:19:48Z"},{"alias_kind":"arxiv_version","alias_value":"1803.10946v1","created_at":"2026-05-18T00:19:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.10946","created_at":"2026-05-18T00:19:48Z"},{"alias_kind":"pith_short_12","alias_value":"2JI7QCYWICYA","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_16","alias_value":"2JI7QCYWICYAJA5Q","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_8","alias_value":"2JI7QCYW","created_at":"2026-05-18T12:32:02Z"}],"graph_snapshots":[{"event_id":"sha256:767133059fca46579d72d1a1f60188d24e973a5a7289bde40e2e5916281ff453","target":"graph","created_at":"2026-05-18T00:19:48Z","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 `lithium problem' in Big Bang Nucleosynthesis (BBN) has recently focused on the reactions involving $^7$Be. The $^6$Li($p, \\gamma$)$^7$Be reaction can provide us not only the information for destroying $^6$Li but also the information for producing $^7$Be. In the present work, the proton spectroscopic factor in $^7$Be was extracted to be 0.70 $\\pm$ 0.17 from the angular distribution of $^7$Be($d$, $^3$He)$^6$Li at $E_\\mathrm{c.m.}$ = 6.7 MeV. The value was then used to compute the direct component of the astrophysical $^6$Li($p, \\gamma$)$^7$Be$_\\mathrm{g.s.}$ S(E) factors and determine the ","authors_text":"Bing Guo, Ding Nan, Er-Tao Li, Jun Su, Sheng-Quan Yan, Wei-Ping Liu, You-Bao Wang, Yun-Ju Li, Zhi-hong Li","cross_cats":["nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2018-03-29T07:47:42Z","title":"New determination of the spectroscopic factor of $^7$Be ground state and the $^6$Li($p,\\gamma$)$^7$Be astrophysical S(E) factors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.10946","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":"sha256:557a0eda3a910c1f8a892fceacee1b3433991d67626610474204fe53ccdd3aa4","target":"record","created_at":"2026-05-18T00:19:48Z","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":"4df669b77b2716e059216d138f952ca730c88a2f0fbed7e6048f913033508d19","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2018-03-29T07:47:42Z","title_canon_sha256":"b3c37c85abac08c88730bbd3dd9db1b6b6be6404f76bedf3b26f0f6ff4235fb8"},"schema_version":"1.0","source":{"id":"1803.10946","kind":"arxiv","version":1}},"canonical_sha256":"d251f80b1640b00483b032530ad3612c9b918b0ffa9d9427f2772cbf4c125e2e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d251f80b1640b00483b032530ad3612c9b918b0ffa9d9427f2772cbf4c125e2e","first_computed_at":"2026-05-18T00:19:48.730200Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:19:48.730200Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MNeIZb2dDduBX0XJ4AGvzmYPx+Nv/2U1qacFrwXsHE+y3EMlaWUonbz8t2Vk+7pOFsTMe0sRRljAsurSsPuRDA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:19:48.730886Z","signed_message":"canonical_sha256_bytes"},"source_id":"1803.10946","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:557a0eda3a910c1f8a892fceacee1b3433991d67626610474204fe53ccdd3aa4","sha256:767133059fca46579d72d1a1f60188d24e973a5a7289bde40e2e5916281ff453"],"state_sha256":"30cc04943c797b2808a12ee1068a8ca6047c6badb00b4c767e8aae0b0d4bb278"}