{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001253},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001259","491:4910001073","491:4910001386","491:4910001855","491:4910001117","491:4910001323","491:4910001679","491:4910001260","491:4910001448","491:4910001258","491:4910001916","491:4910001456","491:4910001125","491:4910001074","491:4910001322","491:4910001065","491:4910001061","491:4910001186","491:4910002259","491:4910001129","491:4910001270","491:4910001568","491:4910001632","491:4910001393","490:4900003924"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,490],"twin_sims":[0.6025971990161321,0.5848011738443328,0.5161526133031533,0.44225232707825823,0.4273116472188498,0.40522798969148466,0.3549631557129525,0.35456739666020476,0.339085314870421,0.330449703694454,0.32448766187415656,0.3113487869109476,0.2946065824774964,0.28616067521551203,0.27508578421861757,0.2746228277610235,0.26676908879707933,0.25464054915896456,0.24781031561211866,0.24454586118352248,0.23716041748116873,0.22936140156544038,0.22188367989813626,0.20629906928050348,0.18229692275858494],"twin_dists":[0.13071675855964998,0.13452932816084173,0.14936726903262235,0.16590159932126453,0.16935968573512095,0.17456459094078097,0.18692375086246713,0.18702438749823175,0.1910085536373379,0.1932732072203788,0.1948556898507467,0.1984014200465946,0.20304615984941557,0.20544828885967992,0.20866366761240307,0.20879977977570252,0.21113068952737007,0.21481588356321152,0.21694029111064025,0.21796889151291715,0.22032918731582685,0.22287433384225064,0.22536887422594878,0.230755086602513,0.23962588899792772],"n_dims_used":45,"mean_confidence":0.8962210761176215},"coverage":{"mean_confidence":0.8962210761176215,"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}}