{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":487,"cluster_id":4870000113},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["487:4870000634","487:4870001068","487:4870000225","487:4870001156","487:4870000637","487:4870001065","487:4870000985","487:4870001447","487:4870001070","487:4870000086","487:4870000568","487:4870000318","487:4870000143","487:4870000145","487:4870000263","487:4870000329","487:4870000445","487:4870000792","487:4870000181","487:4870000087","487:4870001529","487:4870000496","487:4870000065","487:4870001061","487:4870000391"],"twin_admin_codes":[487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487],"twin_sims":[0.5914649079211358,0.5396380097596949,0.5344220920117345,0.533634549010612,0.5326833761808214,0.5221964379535914,0.49605401706475327,0.4858038783668511,0.45760636051614806,0.38917415192715077,0.3794768173289426,0.3724094774501132,0.35572213684490245,0.33020380824435724,0.2931594991056306,0.2887369854773389,0.279898504244217,0.2774571518245919,0.2723360659198008,0.26373202361686665,0.2521985564906877,0.25070140230365845,0.2505429853814367,0.2261107953022402,0.22510411454569434],"twin_dists":[0.13310112865646204,0.1442550391171547,0.14538627387397204,0.14555726715024714,0.14576385679469797,0.14804682643557435,0.1537870180044006,0.15606031825442962,0.1623946288404478,0.17842772717611846,0.18079739367478478,0.18254285717413202,0.18673091354015497,0.19333816180763025,0.20345479528387342,0.20471112246010575,0.20725691390612933,0.207968658917276,0.20947417678814662,0.21204345901297936,0.21557119499846825,0.21603657170807933,0.21608591781291184,0.22395198650386108,0.22428780632061907],"n_dims_used":43,"mean_confidence":0.9089370550111283},"coverage":{"mean_confidence":0.9089370550111283,"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}}