{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":473,"cluster_id":4730002874},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["473:4730003739","473:4730004200","473:4730004198","473:4730003919","473:4730003829","473:4730003738","473:4730002944","473:4730004100","473:4730002945","473:4730004105","473:4730002943","473:4730004295","473:4730004187","473:4730003428","473:4730003911","473:4730004101","473:4730004104","473:4730007348","473:4730009375","473:4730004278","473:4730009374","473:4730003424","473:4730003353","500:5000006635","500:5000004303"],"twin_admin_codes":[473,473,473,473,473,473,473,473,473,473,473,473,473,473,473,473,473,473,473,473,473,473,473,500,500],"twin_sims":[0.5900256221465708,0.587207153277277,0.5579121543572328,0.5541607246137279,0.5083124010327379,0.4882280877129497,0.4837405391098144,0.4606120587349454,0.440569133950953,0.43806065349809337,0.4352777163591287,0.40573085339349674,0.401248720281908,0.40014830095081155,0.39504219414079517,0.39338856193343397,0.39334173485387247,0.3834663990057113,0.37444423401064364,0.37355507938891747,0.3599616068228199,0.3597724061675289,0.35840490904889066,0.3583424204696908,0.35250893710849496],"twin_dists":[0.13340952563246383,0.13401355842641682,0.1403069807615328,0.14111572976281547,0.15108585053971083,0.15552138678709237,0.1565196749942084,0.1617132022385227,0.16628884104668476,0.16686702521695923,0.1675099994660238,0.17444471771201706,0.17551553564443786,0.17577925786902843,0.17700731992806656,0.17740659566485764,0.1774179135497203,0.179819027819662,0.18203867090840495,0.18225882552275527,0.1856576488501889,0.18570540833182814,0.18605098506840478,0.1860667925189905,0.18754877012490764],"n_dims_used":45,"mean_confidence":0.9121105617947048},"coverage":{"mean_confidence":0.9121105617947048,"n_dims_used":45,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}