{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000080},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000138","480:4800000139","480:4800000079","480:4800000201","480:4800000083","480:4800000063","480:4800000065","480:4800000084","480:4800000085","480:4800000105","480:4800000081","495:4950000765","480:4800000029","495:4950000316","490:4900007281","480:4800000202","495:4950000816","495:4950000365","480:4800000108","480:4800000109","495:4950000267","480:4800000203","495:4950000525","495:4950000572","480:4800000093"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,495,480,495,490,480,495,495,480,480,495,480,495,495,480],"twin_sims":[0.3212368217595492,0.08097936294479907,0.06679344418484481,0.061711037684954256,0.052607721448391286,0.04951601884434377,0.03285725014603809,0.030301539045917456,0.024239154844770294,0.023613099921029397,0.023071332430631555,0.021621368129756187,0.020188699563432187,0.017926925813794226,0.01772483482465878,0.01672286507609593,0.01604632196634619,0.01564251063628197,0.015025966653933347,0.014572764903253394,0.014241974669704996,0.013778142681759968,0.012364578873388592,0.012060007711826437,0.011847010941758987],"twin_dists":[0.1957253479665425,0.29119475823121604,0.30214457740611217,0.30653089029822067,0.3151908182638559,0.3184155373678487,0.3394464384590293,0.3434465325914532,0.3542401807820023,0.35548398750260246,0.35658361808698325,0.35964087312478243,0.36284208927853745,0.36832420448207476,0.3688430191972657,0.371494538562261,0.37336489717846216,0.3745145635981728,0.37632129272568954,0.37769148463764335,0.378715506452805,0.38018731708011116,0.38495987379603563,0.38605114117006456,0.3868289174072049],"n_dims_used":43,"mean_confidence":0.9034450442291969},"coverage":{"mean_confidence":0.9034450442291969,"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}}