{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800005283},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800005197","480:4800005284","480:4800005442","480:4800005290","480:4800005380","480:4800005619","480:4800005022","480:4800005120","480:4800005378","480:4800005464","480:4800003860","480:4800005107","480:4800005362","480:4800005829","480:4800005287","480:4800005274","480:4800005531","480:4800005288","480:4800004938","480:4800005021","480:4800005110","480:4800005286","480:4800005778","480:4800003931","480:4800004843"],"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":[0.570335341260304,0.3000309952604728,0.2568879459106367,0.18856400859683747,0.18498372480146966,0.12376947869086191,0.12089393473511065,0.11878590075281711,0.11547385110811344,0.11371083854299702,0.11204203011734787,0.10842357741525308,0.10190276006238451,0.10057829948240765,0.09937342896886588,0.09718873207477159,0.09150558020347598,0.09149911332589335,0.0910369490672834,0.0888858515924783,0.08829377502339107,0.08771354583331499,0.0861745443473032,0.08328065751667592,0.08057343051793851],"twin_dists":[0.13763396607763445,0.2015248230163541,0.21412481180707207,0.23723470966903676,0.2385937798655553,0.26548673733849065,0.26697606203375407,0.2680851386079331,0.2698585071515531,0.27081845621672046,0.2717377283225997,0.27376788479373243,0.2775631560592955,0.27835703824989877,0.27908637377211476,0.28042668794908004,0.28402783246313146,0.28403202953099443,0.2843325881980853,0.28574762032820417,0.28614186087092364,0.28653025446754304,0.2875704145239872,0.28956704311153897,0.2914857075951388],"n_dims_used":43,"mean_confidence":0.9201481841331305},"coverage":{"mean_confidence":0.9201481841331305,"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}}