{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910004608},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910004093","491:4910003677","491:4910004742","491:4910003582","490:4900008765","497:4970003191","491:4910003941","497:4970003190","490:4900008653","497:4970003470","497:4970003189","491:4910003888","491:4910003944","491:4910003630","497:4970003350","491:4910004566","497:4970003147","491:4910004474","490:4900008654","497:4970003102","487:4870010615","487:4870009700","487:4870010608","487:4870008719","497:4970003185"],"twin_admin_codes":[491,491,491,491,490,497,491,497,490,497,497,491,491,491,497,491,497,491,490,497,487,487,487,487,497],"twin_sims":[0.26136424905775596,0.121566484643033,0.11526700095050064,0.11380681415034566,0.06742369164568665,0.06490548219343256,0.053248042557306446,0.04166752485686688,0.03657007545676107,0.03439414763941928,0.033878718649354204,0.03024533553779641,0.029370217793521038,0.026854094576839106,0.024981257890413215,0.023264696427762153,0.022391183025453513,0.021325964270801908,0.020374483555475404,0.020219756874270377,0.020146305008087603,0.020025155838330547,0.01973200086071283,0.019421086568669057,0.01931753692402127],"twin_dists":[0.2127596425976596,0.2666253299389178,0.2699705496815359,0.2707659044446466,0.3016198345885017,0.30374103654579465,0.3145427220806432,0.3274296932247309,0.33408428950746616,0.3371672190593947,0.33792174752731696,0.34353769855663563,0.34497627529171465,0.3493279437857087,0.352801333690818,0.35618860066999025,0.357996286226435,0.36028549705223645,0.3624160060913096,0.3627706241015934,0.36293979718148256,0.3632200045898321,0.36390421377474685,0.36463963437194075,0.3648868478156369],"n_dims_used":45,"mean_confidence":0.8899695502387153},"coverage":{"mean_confidence":0.8899695502387153,"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}}