{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:Y6V2YJCPUFRDVVT7A22ZZYKJHE","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":"a9fcaff36993738a5bacc24963016290481472bc7a6b20eef1828a3486de7a14","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2011-09-23T20:53:06Z","title_canon_sha256":"1ff3592fa344e2cd4514c7280533e0e3f030083490f4924454e8b8a561229a65"},"schema_version":"1.0","source":{"id":"1109.5200","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.5200","created_at":"2026-05-18T02:00:25Z"},{"alias_kind":"arxiv_version","alias_value":"1109.5200v1","created_at":"2026-05-18T02:00:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.5200","created_at":"2026-05-18T02:00:25Z"},{"alias_kind":"pith_short_12","alias_value":"Y6V2YJCPUFRD","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_16","alias_value":"Y6V2YJCPUFRDVVT7","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_8","alias_value":"Y6V2YJCP","created_at":"2026-05-18T12:26:47Z"}],"graph_snapshots":[{"event_id":"sha256:9d86ce5db53c9c2837142fbfdf0e01fa5bd665a36c55fb102fd3aaf2d5c78c8a","target":"graph","created_at":"2026-05-18T02:00:25Z","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":"The location of electron capture heat sources in the crust of accreting neutron stars depends on the masses of extremely neutron-rich nuclei. We present first results from a new implementation of the time-of-flight technique to measure nuclear masses of rare isotopes at the National Superconducting Cyclotron Laboratory. The masses of 16 neutron-rich nuclei in the scandium -- nickel range were determined simultaneously, improving the accuracy compared to previous data in 12 cases. The masses of $^{61}${V}, $^{63}${Cr}, $^{66}${Mn}, and $^{74}${Ni} were measured for the first time with mass exce","authors_text":"A. Becerril, A. Estrade, A. Gade, A. M. Amthor, A. M. Rogers, A. Stolz, D. Bazin, D. Galaviz, D. Shapira, E. F. Brown, E. Smith, G. Lorusso, H. Schatz, J. Pereira, M. Beard, M. Matos, M. Portillo, M. Wallace, M. Wiescher, P. Moller, R. Cyburt, R. Lau, S. George, S. S. Gupta, T. Elliot, W. R. Hix","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2011-09-23T20:53:06Z","title":"Time-of-flight mass measurements for nuclear processes in neutron star crusts"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.5200","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":"sha256:8e17fb0f4cc5e8ecc7699c0bad53e3bbdc5620dee817c6342dec0e6259c324c9","target":"record","created_at":"2026-05-18T02:00:25Z","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":"a9fcaff36993738a5bacc24963016290481472bc7a6b20eef1828a3486de7a14","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2011-09-23T20:53:06Z","title_canon_sha256":"1ff3592fa344e2cd4514c7280533e0e3f030083490f4924454e8b8a561229a65"},"schema_version":"1.0","source":{"id":"1109.5200","kind":"arxiv","version":1}},"canonical_sha256":"c7abac244fa1623ad67f06b59ce149392a4abdf17ee0014061665cb5e2149088","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c7abac244fa1623ad67f06b59ce149392a4abdf17ee0014061665cb5e2149088","first_computed_at":"2026-05-18T02:00:25.727467Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:00:25.727467Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LFGDgWKFLy5ZYkxrYstYbWjf/1yf7jvitFB09tpA1A7mWMC2wGz6ibwCQ2JEQrNrcvYNFhAZpqTaC5Jp6fIzCA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:00:25.728245Z","signed_message":"canonical_sha256_bytes"},"source_id":"1109.5200","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8e17fb0f4cc5e8ecc7699c0bad53e3bbdc5620dee817c6342dec0e6259c324c9","sha256:9d86ce5db53c9c2837142fbfdf0e01fa5bd665a36c55fb102fd3aaf2d5c78c8a"],"state_sha256":"4b8926c5c37d18c888fabb66caa7bb64a1c798c8aeb1c937d3d2d3a6524002dc"}