{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800003601},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800003481","480:4800003317","480:4800003600","480:4800003475","480:4800003778","480:4800003594","480:4800002731","480:4800003730","480:4800002784","480:4800003372","480:4800003660","480:4800003215","480:4800003721","480:4800002789","480:4800002959","480:4800002974","480:4800002840","480:4800003796","480:4800002783","480:4800002574","480:4800003521","480:4800003656","480:4800003314","480:4800003779","480:4800002928"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.6218574724344734,0.5701782241654623,0.552124223994611,0.5516406051029787,0.4865775702855023,0.46010049007779896,0.4337116747877182,0.4336857168709191,0.43195903852903816,0.3941278034771465,0.3800219758487219,0.375726893841069,0.37116293900387753,0.35500506102216084,0.35492274470778507,0.3415578913348036,0.3365668164346681,0.3305122554811341,0.32591708946750225,0.31904002550022187,0.3129602268154914,0.31048672233791397,0.30955863452303023,0.3074261173608713,0.29819769006195607],"twin_dists":[0.12659190213152632,0.1376677275818632,0.14155511423132222,0.14165949458545352,0.15588822802837896,0.16182906838547506,0.1678725399556425,0.16787855365859142,0.16827890127946163,0.17722800716881668,0.18066341296929797,0.1817215359868667,0.18285240487709606,0.18691309826003266,0.18693402421921856,0.1903658833352791,0.19166575570684752,0.19325668806455293,0.19447482719408804,0.19631582049282367,0.19796205092298064,0.19863700074588084,0.1988910429356236,0.19947643070652102,0.20203717251834716],"n_dims_used":43,"mean_confidence":0.9218451921329942},"coverage":{"mean_confidence":0.9218451921329942,"n_dims_used":43,"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}}