{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:P2Y7HAFEIVSQT4T7FMZRH57YTS","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":"582fee7fae686a2db714dd31f97da730b587512822a4fe5f3cb9e64cc1527cb3","cross_cats_sorted":["nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2012-12-11T16:02:03Z","title_canon_sha256":"9cc57ea054481d52b4500971c42a1919460740df7397758f0cb23c5812cc99a2"},"schema_version":"1.0","source":{"id":"1212.2437","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.2437","created_at":"2026-05-18T03:38:44Z"},{"alias_kind":"arxiv_version","alias_value":"1212.2437v1","created_at":"2026-05-18T03:38:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.2437","created_at":"2026-05-18T03:38:44Z"},{"alias_kind":"pith_short_12","alias_value":"P2Y7HAFEIVSQ","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_16","alias_value":"P2Y7HAFEIVSQT4T7","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_8","alias_value":"P2Y7HAFE","created_at":"2026-05-18T12:27:18Z"}],"graph_snapshots":[{"event_id":"sha256:efb3b0f32157a958f1588257554555e27f2dcd4a9c6f1379f6165c1c19f3429b","target":"graph","created_at":"2026-05-18T03:38:44Z","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":"Recent data resulting from studies of two-nucleon transfer reaction on 11Li, analyzed through a unified nuclear-structure-direct-reaction theory have provided strong direct as well as indirect confirmation, through the population of the first excited state of 9Li and of the observation of a strongly quenched ground state transition, of the prediction that phonon mediated pairing interaction is the main mechanism binding the neutron halo of the 8.5 ms-lived 11Li nucleus. In other words, the ground state of 11Li can be viewed as a neutron Cooper pair bound to the 9Li core, mainly through the exc","authors_text":"Andrea Idini, Enrico Vigezzi, Francisco Barranco, Gregory Potel, Ricardo A. Broglia","cross_cats":["nucl-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2012-12-11T16:02:03Z","title":"Nuclear Field Theory predictions for 11Li and 12Be: shedding light on the origin of pairing in nuclei"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.2437","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":"sha256:7e11712d5cbf3bdf144fd56e5fc94809db5303a2e36a1646f7d537c5b5639121","target":"record","created_at":"2026-05-18T03:38:44Z","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":"582fee7fae686a2db714dd31f97da730b587512822a4fe5f3cb9e64cc1527cb3","cross_cats_sorted":["nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2012-12-11T16:02:03Z","title_canon_sha256":"9cc57ea054481d52b4500971c42a1919460740df7397758f0cb23c5812cc99a2"},"schema_version":"1.0","source":{"id":"1212.2437","kind":"arxiv","version":1}},"canonical_sha256":"7eb1f380a4456509f27f2b3313f7f89cbccd9495476815d3ff9374f1a1b03e76","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7eb1f380a4456509f27f2b3313f7f89cbccd9495476815d3ff9374f1a1b03e76","first_computed_at":"2026-05-18T03:38:44.950688Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:38:44.950688Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sH+mbsFxJ607rnouGyR0dye/tbA3gT1bfiEy57sJPa3FjplvU9nfWiNzOHg1DW4FijrJkr/HNCZd6TyxfedHDA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:38:44.951359Z","signed_message":"canonical_sha256_bytes"},"source_id":"1212.2437","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7e11712d5cbf3bdf144fd56e5fc94809db5303a2e36a1646f7d537c5b5639121","sha256:efb3b0f32157a958f1588257554555e27f2dcd4a9c6f1379f6165c1c19f3429b"],"state_sha256":"adcba657685cb973c4f616ca74bf55aa15c63f2a18a5ce9c438c65d8fca11e21"}