{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:DRAIGOP4E2NV4U7NEBU4R5EAKW","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":"21be330b62e32d4f1a87e6fbd90c5588e1422d8ad8683fd3d5c531ebe0a187b9","cross_cats_sorted":["hep-ph","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2017-12-15T12:42:00Z","title_canon_sha256":"ea09da1f005f2a3be055bb9216493ef2da9577238fd0fc1a9262d29ef644be60"},"schema_version":"1.0","source":{"id":"1712.05643","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.05643","created_at":"2026-05-18T00:09:36Z"},{"alias_kind":"arxiv_version","alias_value":"1712.05643v1","created_at":"2026-05-18T00:09:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.05643","created_at":"2026-05-18T00:09:36Z"},{"alias_kind":"pith_short_12","alias_value":"DRAIGOP4E2NV","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_16","alias_value":"DRAIGOP4E2NV4U7N","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_8","alias_value":"DRAIGOP4","created_at":"2026-05-18T12:31:12Z"}],"graph_snapshots":[{"event_id":"sha256:63d6cc83e651a30d55d44ec2c9418db17677424cb2774427dc0f227033182b40","target":"graph","created_at":"2026-05-18T00:09:36Z","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 studies of $\\eta$ nuclear quasibound states by the Jerusalem-Prague Collaboration are reviewed, focusing on stochastic variational method self consistent calculations of $\\eta$ few-nucleon systems. These calculations suggest that a minimum value Re$\\,a_{\\eta N} \\approx 1$ fm (0.7 fm) is needed to bind $\\eta\\,^3$He ($\\eta\\,^4$He).","authors_text":"Ale\\v{s} Ciepl\\'y, Avraham Gal, Betzalel Bazak, Eliahu Friedman, Ji\\v{r}\\'i Mare\\v{s}, Martin Sch\\\"afer, Nir Barnea","cross_cats":["hep-ph","nucl-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2017-12-15T12:42:00Z","title":"Onset of $\\eta$ nuclear binding"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.05643","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":"sha256:6b8546fceb50dcb4cbb0080dbc23531ba4854f9de2417df27d913a2d8334c3de","target":"record","created_at":"2026-05-18T00:09:36Z","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":"21be330b62e32d4f1a87e6fbd90c5588e1422d8ad8683fd3d5c531ebe0a187b9","cross_cats_sorted":["hep-ph","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2017-12-15T12:42:00Z","title_canon_sha256":"ea09da1f005f2a3be055bb9216493ef2da9577238fd0fc1a9262d29ef644be60"},"schema_version":"1.0","source":{"id":"1712.05643","kind":"arxiv","version":1}},"canonical_sha256":"1c408339fc269b5e53ed2069c8f480559a5c4a6b0fa78f4ab08b53e3982eb2a0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1c408339fc269b5e53ed2069c8f480559a5c4a6b0fa78f4ab08b53e3982eb2a0","first_computed_at":"2026-05-18T00:09:36.226216Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:09:36.226216Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ikfdqPtGRxrqQgP2QFcWUBhgHYiG7AeJV7pmWeLrzxNJfWqyEfNfBTKh2drIMlbZtKVOkgXu8AMnwlEn7qpPBw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:09:36.226655Z","signed_message":"canonical_sha256_bytes"},"source_id":"1712.05643","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6b8546fceb50dcb4cbb0080dbc23531ba4854f9de2417df27d913a2d8334c3de","sha256:63d6cc83e651a30d55d44ec2c9418db17677424cb2774427dc0f227033182b40"],"state_sha256":"5a6ae9381144fe7cda69307f0f3bb39fddbd0594f4c27578d484cdd1886308ff"}