{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910000112},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910000178","491:4910000094","491:4910000569","491:4910000353","491:4910000289","491:4910000208","491:4910000634","491:4910000209","491:4910000471","491:4910000179","491:4910000197","491:4910000402","491:4910000198","491:4910000451","491:4910000554","491:4910000312","491:4910000335","491:4910000207","491:4910000106","491:4910000134","491:4910000177","491:4910000418","491:4910000140","491:4910000758","491:4910000332"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491],"twin_sims":[0.5742732167422898,0.506119954746328,0.388376947426958,0.3852530074414728,0.3672037864613659,0.35905826762009346,0.33996044108862855,0.3134152955741918,0.30684109352332045,0.3022787365481316,0.2955433289266616,0.2952265657379928,0.2877577749583874,0.28450145940219396,0.2574701167924406,0.2524118940388774,0.2518987625848989,0.24796401998583936,0.22462707404340243,0.1890176180058649,0.17944383558582222,0.17798409221647665,0.17535830553229748,0.17478255530492928,0.17476250268367208],"twin_dists":[0.1367881122115786,0.151567652457444,0.1786214677489453,0.17938247997358944,0.18383900514140705,0.1858857924426481,0.19078080501395153,0.19783820721965112,0.19963743120910882,0.20089914296927724,0.20278226841638358,0.20287144865205306,0.20499084068398765,0.20592515498888714,0.21394641923992527,0.215505024454773,0.2156642418549546,0.21689207547105882,0.2244472913983131,0.23706381547051467,0.24073370546436132,0.24130533664655698,0.24234203053939857,0.24257081983688245,0.24257879794606407],"n_dims_used":45,"mean_confidence":0.8902454800075955},"coverage":{"mean_confidence":0.8902454800075955,"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}}