{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":487,"cluster_id":4870001160},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["487:4870001258","487:4870001639","487:4870001352","487:4870001155","487:4870001643","487:4870001158","487:4870001249","487:4870000386","487:4870001450","487:4870000318","487:4870000323","487:4870001061","487:4870001163","487:4870000507","487:4870001447","487:4870000438","487:4870001259","487:4870001250","487:4870001079","487:4870001076","487:4870001529","487:4870000146","487:4870000377","487:4870001257","487:4870000263"],"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":[0.6665841756434989,0.5466790953880527,0.544860879707872,0.4994057196664521,0.4743779856352252,0.4527649977933036,0.44523121369815,0.4060873839852599,0.40286242682406165,0.3890490258105887,0.38509724634280124,0.3628388710414764,0.3626760717571188,0.3396596421343793,0.3134577304064829,0.29292928618869685,0.2703969002998172,0.2578794663558635,0.24177349281935534,0.23674651601834792,0.2356398621533429,0.2271547609901146,0.21785880365029264,0.21445134804451912,0.21229224986470568],"twin_dists":[0.11697198202945572,0.14273121205475675,0.14312437009464563,0.15304664923362574,0.15861188216450212,0.16349563419020893,0.16521765847564374,0.17435976766040767,0.17512939174041017,0.17845812357688984,0.17942050087587033,0.18493291769509868,0.18497384579176346,0.1908590513672429,0.1978266641026424,0.20351991410961753,0.21004879909577076,0.21382113618478457,0.2188494149868933,0.2204628708540143,0.22082105372284416,0.22360477521626307,0.2267348275376292,0.22790455422188338,0.2286522448747981],"n_dims_used":43,"mean_confidence":0.9061612861101017},"coverage":{"mean_confidence":0.9061612861101017,"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}}