{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002504},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002044","490:4900002202","490:4900002659","490:4900001741","496:4960011566","466:4660001146","490:4900004864","490:4900002647","490:4900006040","490:4900006642","490:4900002356","490:4900004048","490:4900004183","490:4900002509","490:4900002658","490:4900001478","490:4900005139","490:4900000841","490:4900005271","490:4900004731","490:4900000119","490:4900004321","466:4660005021","490:4900002642","490:4900006887"],"twin_admin_codes":[490,490,490,490,496,466,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,466,490,490],"twin_sims":[0.5915847400081348,0.45571720616903527,0.4134634168810614,0.4004948177936045,0.36478012503311386,0.35334304116177623,0.33906498295829124,0.3372034138902832,0.329875285128437,0.3256383532512431,0.3140266551771905,0.31299378620836615,0.2964756219546393,0.2900402152405195,0.28860504409456916,0.2865134579994852,0.27703391774116315,0.2701857260578843,0.26377035308094965,0.262157716959096,0.255401561520085,0.2476643641954815,0.24732775936854326,0.246481687649883,0.24309682101282273],"twin_dists":[0.1330754538018621,0.16282374612257203,0.17260961787487383,0.1756961775593934,0.18444559636922878,0.1873360950601826,0.19101384870019203,0.19149938575120726,0.19342498436836889,0.1945490220006333,0.19767199103056726,0.1979529144740056,0.2025201209250375,0.20433972348815305,0.20474877932584057,0.20534711181682236,0.20809243500169874,0.21011152855195045,0.2120318986099881,0.21251919042663198,0.21458144214099203,0.21698609248270184,0.2170917893570079,0.21735787192894365,0.21842830709560623],"n_dims_used":45,"mean_confidence":0.9096428765190973},"coverage":{"mean_confidence":0.9096428765190973,"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}}