{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001812},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001865","491:4910001460","490:4900006426","491:4910001451","491:4910001450","491:4910002016","490:4900006306","491:4910002015","491:4910002115","491:4910001752","490:4900002217","491:4910001011","490:4900006546","491:4910001753","491:4910001634","490:4900002216","491:4910002069","491:4910001912","491:4910001391","491:4910002066","490:4900002518","491:4910001508","490:4900007543","491:4910002210","491:4910002017"],"twin_admin_codes":[491,491,490,491,491,491,490,491,491,491,490,491,490,491,491,490,491,491,491,491,490,491,490,491,491],"twin_sims":[0.2518193857091504,0.251091949157888,0.22901823471162697,0.17891748971196797,0.178336217636103,0.1758977602473813,0.15328922519729885,0.14045081761857534,0.1206068735280752,0.11831672883817933,0.11572885905320972,0.10178080554726857,0.09591346592670874,0.09385372069789195,0.09113936732914736,0.09054635728655419,0.0868067069450246,0.08048377454160897,0.0793481890968745,0.06824740683220978,0.06279608130154728,0.06115730935253729,0.05340908331070671,0.05286389905537389,0.0501354149843708],"twin_dists":[0.2156888898237092,0.21591500323815616,0.2229876227434694,0.24093943926603476,0.24116714172611975,0.24212814957436707,0.2515296185962247,0.2573283881007103,0.26712621688744104,0.26833402411202156,0.2697205915073277,0.27763591743431426,0.2812200371358516,0.2825191261771206,0.28426587872202147,0.2846529582075449,0.28714138293743596,0.29155012623737253,0.2923710766553934,0.30094000107229957,0.30557027724713537,0.3070264684872639,0.31438074404358646,0.3149307485743647,0.31775632740701926],"n_dims_used":44,"mean_confidence":0.8943862915039062},"coverage":{"mean_confidence":0.8943862915039062,"n_dims_used":44,"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}}