{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002205},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002513","496:4960011476","490:4900001760","490:4900000239","487:4870004851","496:4960007565","490:4900001217","490:4900001082","487:4870005138","490:4900004875","496:4960006512","490:4900001757","490:4900001191","490:4900001457","490:4900001183","490:4900000608","490:4900000622","490:4900002040","496:4960005708","496:4960011735","469:4690003373","469:4690003069","490:4900001887","490:4900001458","490:4900000154"],"twin_admin_codes":[490,496,490,490,487,496,490,490,487,490,496,490,490,490,490,490,490,490,496,496,469,469,490,490,490],"twin_sims":[0.5271135177303026,0.49484201584702897,0.44861316742993107,0.36694597976098425,0.3486787185292416,0.33236995322045476,0.3189698174174394,0.30689514342275837,0.29750834910468155,0.2945949033413887,0.2911428474139071,0.29071559090970545,0.2884616314523707,0.2710053762804888,0.25905437533867676,0.2532702387747438,0.251929112632731,0.25126769389639886,0.24757852967172822,0.24516410866885316,0.24309655256401885,0.22941008735748067,0.22788231865264547,0.22684986384618405,0.2261600897738094],"twin_dists":[0.14697515922772328,0.15405509209377827,0.16444328940148958,0.18390343296872005,0.1885287652334868,0.19276687123904662,0.1963347291727457,0.19962254908137408,0.20223029870245343,0.20304945311133338,0.2040262676599986,0.20414764395150056,0.20478972182962485,0.20986821988464638,0.2134622459113234,0.2152391523187568,0.21565481891939428,0.21586033721830863,0.2170130365143037,0.21777341184059984,0.21842839237048706,0.2228582703820375,0.22336342257194367,0.2237060710070599,0.2239355678224797],"n_dims_used":45,"mean_confidence":0.9161805046929253},"coverage":{"mean_confidence":0.9161805046929253,"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}}