{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2002:WO56UKG6RZSRVJSJMKYACMJUJC","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":"74b27058b81dbd18a801f7857e8e9dbd03f9e0b8e92fcb5bb63a02baec92ec9b","cross_cats_sorted":["astro-ph","hep-ph"],"license":"","primary_cat":"nucl-th","submitted_at":"2002-08-27T00:46:05Z","title_canon_sha256":"8c006255d919bec0df6d0d5c364258c2bf82477ae262aa6c7c9c26bdeb6bf309"},"schema_version":"1.0","source":{"id":"nucl-th/0208055","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"nucl-th/0208055","created_at":"2026-05-18T02:35:32Z"},{"alias_kind":"arxiv_version","alias_value":"nucl-th/0208055v1","created_at":"2026-05-18T02:35:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nucl-th/0208055","created_at":"2026-05-18T02:35:32Z"},{"alias_kind":"pith_short_12","alias_value":"WO56UKG6RZSR","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_16","alias_value":"WO56UKG6RZSRVJSJ","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_8","alias_value":"WO56UKG6","created_at":"2026-05-18T12:25:51Z"}],"graph_snapshots":[{"event_id":"sha256:ed902550ec2f8c1d262a2e33692491ee8d7bfef0f2f8acac9ac5451a03f07be4","target":"graph","created_at":"2026-05-18T02:35:32Z","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":"Spurred by the recent complete determination of the weak currents in two-nucleon systems up to ${\\cal O}(Q^3)$ in heavy-baryon chiral perturbation theory, we carry out a parameter-free calculation of the threshold $S$-factors for the solar $pp$ (proton-fusion) and $hep$ processes in an effective field theory that {\\it combines} the merits of the standard nuclear physics method and systematic chiral expansion. The power of the EFT adopted here is that one can correlate in a unified formalism the weak-current matrix elements of two-, three- and four-nucleon systems. Using the tritium $\\beta$-dec","authors_text":"A. Kievsky, D.-P. Min, K. Kubodera, L.E. Marcucci, M. Rho, M. Viviani, R. Schiavilla, S. Rosati, T.-S. Park","cross_cats":["astro-ph","hep-ph"],"headline":"","license":"","primary_cat":"nucl-th","submitted_at":"2002-08-27T00:46:05Z","title":"Parameter-free effective field theory calculation for the solar proton-fusion and hep processes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-th/0208055","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:dfee7b6db6fcb9198e73c5c2c7f5c510b8d0a42a119038c2b7c98efa12fd48e8","target":"record","created_at":"2026-05-18T02:35:32Z","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":"74b27058b81dbd18a801f7857e8e9dbd03f9e0b8e92fcb5bb63a02baec92ec9b","cross_cats_sorted":["astro-ph","hep-ph"],"license":"","primary_cat":"nucl-th","submitted_at":"2002-08-27T00:46:05Z","title_canon_sha256":"8c006255d919bec0df6d0d5c364258c2bf82477ae262aa6c7c9c26bdeb6bf309"},"schema_version":"1.0","source":{"id":"nucl-th/0208055","kind":"arxiv","version":1}},"canonical_sha256":"b3bbea28de8e651aa64962b00131344882c7e44ace147ead5d87ccc6407c3836","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b3bbea28de8e651aa64962b00131344882c7e44ace147ead5d87ccc6407c3836","first_computed_at":"2026-05-18T02:35:32.424622Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:35:32.424622Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kfzBNIGEbZ0/ftOo7vY8CH7kcRrgeudTjHbq6+wsSj4coH27kBv0HIxJo9Fzrmp6Dt12qVU3gY7250wq3ulzAw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:35:32.424970Z","signed_message":"canonical_sha256_bytes"},"source_id":"nucl-th/0208055","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dfee7b6db6fcb9198e73c5c2c7f5c510b8d0a42a119038c2b7c98efa12fd48e8","sha256:ed902550ec2f8c1d262a2e33692491ee8d7bfef0f2f8acac9ac5451a03f07be4"],"state_sha256":"b00faa98a74a76c7c5316fa086afc5fec2e104bf08ca4e2be1e570024f4f5f24"}