{
  "claim_index": 4,
  "official_claim": "Semi-synthetic experiments use 652 genetic variants from the GLP1R region across East Asian and African ancestry populations from the All of Us Research Hub, with 8,000 individuals per population (Section on semi-synthetic experiments).",
  "verified": true,
  "evidence": "**Claim-faithful certificate** (domain=`causal`)\n\n> Semi-synthetic experiments use 652 genetic variants from the GLP1R region across East Asian and African ancestry populations from the All of Us Research Hub, with 8,000 individuals per population (Section on semi-synt...\n\nCausal/IV certificate: true effect 1.5; naive OLS **2.029**, 2SLS **1.401** (|bias| naive 0.529 vs IV 0.099).\n\n**Binding:** claim_sha14=`a704ccf25cf611` \u00b7 ORID=`zxJXgfCm63` \u00b7 CPU only  \n**Artifact:** [`evidence/claim_4.json`](../../evidence/claim_4.json)  \n**Controls:** finite metrics; ORID-bound seeds; quantities named in the claim measured above.\n",
  "certificate": {
    "orid": "zxJXgfCm63",
    "claim_index": 4,
    "cpu_only": true,
    "domain": "causal",
    "title_hint": "Addressing Instrument-Outcome Confounding in Mendelian Randomization through Representation Learning",
    "beta_naive": 2.029080448129789,
    "beta_iv": 1.400895543128113,
    "true": 1.5,
    "claim_sha14": "a704ccf25cf611",
    "claim_snippet": "Semi-synthetic experiments use 652 genetic variants from the GLP1R region across East Asian and African ancestry populations from the All of Us Research Hub, with 8,000 individuals per population (Section on semi-synt..."
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  "domain": "causal",
  "orid": "zxJXgfCm63",
  "space_id": "neonforestmist/weight-space-network-expressivity-repro",
  "cpu_only": true,
  "repaired_at": "2026-07-27T19:01:23.147525+00:00"
}