{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000338},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000268","490:4900000090","490:4900000498","490:4900000229","490:4900001196","490:4900000482","487:4870004549","490:4900000707","490:4900000275","490:4900000425","490:4900001885","490:4900001071","496:4960008152","490:4900000499","490:4900000490","490:4900000431","490:4900000731","490:4900004599","496:4960008151","490:4900000334","490:4900000711","490:4900000403","496:4960008859","490:4900004187","490:4900000202"],"twin_admin_codes":[490,490,490,490,490,490,487,490,490,490,490,490,496,490,490,490,490,490,496,490,490,490,496,490,490],"twin_sims":[0.867213853227848,0.5949482052204641,0.558642459021731,0.5487495925896689,0.5480588192657111,0.5322516683632926,0.5297527289290148,0.5237564249198339,0.5109396211848574,0.5023702658240304,0.4901602320931966,0.4895225344488757,0.477747090826119,0.46842573328359266,0.4640338972689172,0.4578648336271644,0.456559481584687,0.4521851640661888,0.43712934691001065,0.43621495291995954,0.4353663853484106,0.42899426084346737,0.4240019399871774,0.4202241551683033,0.4099532857236415],"twin_dists":[0.06932662511801799,0.132354901687276,0.14014963097183508,0.14228377593555017,0.14243302081423131,0.14585764645378219,0.14640086018545426,0.14770658508036472,0.15050921780296245,0.1523929602053814,0.15509242777363585,0.15523394796258008,0.1578574878946462,0.15994903487565418,0.16093934900647536,0.16233596706917916,0.16263234567472135,0.16362778654778384,0.16708201507653184,0.16729327714919986,0.16748948809746772,0.16896782984094122,0.1701323313054852,0.17101733295290092,0.17344075878621543],"n_dims_used":45,"mean_confidence":0.9157450358072917},"coverage":{"mean_confidence":0.9157450358072917,"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}}