{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003786},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004347","490:4900003929","490:4900002220","491:4910001806","491:4910001691","490:4900007654","490:4900002522","491:4910001571","490:4900007407","490:4900007645","490:4900006080","490:4900006806","490:4900003251","491:4910001272","490:4900007658","490:4900006549","490:4900006565","490:4900006563","490:4900007655","490:4900006933","490:4900003252","490:4900007541","490:4900003515","490:4900005696","490:4900006685"],"twin_admin_codes":[490,490,490,491,491,490,490,491,490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.39017600748562314,0.33010715628306625,0.21792771634619848,0.15729999919290383,0.09138327203307617,0.0856831283166143,0.07620993554904926,0.057529933232777476,0.05561316006258597,0.044685886848306815,0.03843562961735605,0.035181996574122486,0.031532832258684716,0.027114998184649058,0.027031437156307764,0.02504545127263719,0.024671690624823626,0.02361487313301074,0.02358126736119714,0.022554046354414096,0.021205943879462966,0.020895336812514893,0.020889015363047866,0.020185863947625223,0.019814967380837187],"twin_dists":[0.17818451564742258,0.19336370020180788,0.2267112983225663,0.2497915874443427,0.28410725145585364,0.2879056592765668,0.29468995885136684,0.31036741241447696,0.31220354084811763,0.32380694928664283,0.331562743910431,0.3360322995938838,0.34148475564914943,0.34886077565725143,0.3490099750093414,0.3526786147578042,0.3533969911925421,0.35548042445871403,0.35554799045562957,0.35765466248912803,0.3605496242166269,0.3612392625565933,0.3612533904447806,0.3628486190152497,0.3637096791024901],"n_dims_used":45,"mean_confidence":0.901131354437934},"coverage":{"mean_confidence":0.901131354437934,"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}}