{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001502},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001387","480:4800001393","480:4800001435","480:4800001322","480:4800001830","480:4800001554","480:4800001510","480:4800001506","480:4800001323","480:4800001389","480:4800002386","480:4800001668","480:4800001451","480:4800001943","480:4800002447","480:4800001383","480:4800002310","480:4800002057","480:4800002535","480:4800002201","480:4800001388","480:4800001508","480:4800002248","480:4800002337","480:4800001392"],"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":[0.34705244845644956,0.32418204469153317,0.30282713739501005,0.2698785273610623,0.2693026754032838,0.2688921474267847,0.25289574025237344,0.2381875027563083,0.23703256938116035,0.23207974125074146,0.2303414584483537,0.22052647251452068,0.2194775325079522,0.21688696995255197,0.20847146773829608,0.20289800120653612,0.1953770591245262,0.19537276569532055,0.19303851483524676,0.1881961565090321,0.18357351983930442,0.18253960030328797,0.18128024229035558,0.18074072568408753,0.17644171916458634],"twin_dists":[0.18894656780489177,0.19493724059124046,0.20074690216994917,0.21020283625843836,0.21037416823682273,0.210496450200017,0.2153550825518088,0.21999811135099093,0.2203704639369353,0.22198086080228377,0.22255140479588703,0.22582761196130194,0.22618345089345232,0.2270671797542348,0.22998810611686243,0.2319670241506377,0.23469753325205855,0.23469911258326165,0.23556135648681134,0.23737350690441397,0.23913416879008775,0.23953222769769753,0.24001923673991796,0.24022860636414342,0.24191295536674295],"n_dims_used":43,"mean_confidence":0.9210175802541334},"coverage":{"mean_confidence":0.9210175802541334,"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}}