{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000647},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000679","480:4800000573","480:4800000575","480:4800000443","480:4800000605","480:4800000543","480:4800000610","480:4800000506","480:4800000371","480:4800000344","480:4800000427","480:4800000469","480:4800000354","480:4800000504","480:4800000645","480:4800000717","480:4800000503","480:4800000569","480:4800000566","480:4800000614","480:4800000402","480:4800001072","480:4800000580","480:4800001034","480:4800000385"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.6378395051910706,0.6324351828914693,0.5782726996745059,0.5385141520607712,0.508271313821308,0.4775927486408871,0.4326810909877501,0.39662750158135796,0.3872359187638026,0.35045426220323556,0.3403670700661935,0.31764104037862867,0.29407215926254,0.277420724128825,0.2751733762014682,0.26563497830393784,0.2655265535370535,0.2651178588220323,0.253848219614983,0.23516124228011995,0.2246780299141449,0.22247489936946654,0.21321705238161648,0.20950310822099022,0.20775127442179842],"twin_dists":[0.12316437817698542,0.12432421984094084,0.1359296094862504,0.14449860229855685,0.15109487465101626,0.15789200956293412,0.16811140788983864,0.17662526529977937,0.17889909271849236,0.1880737803839098,0.19067508828971483,0.19669304265399973,0.2031969346537534,0.2079793077736705,0.20863793080245252,0.21147077755571192,0.21150333840923366,0.2116261473273661,0.21506044556950993,0.2209763059973682,0.22443024499778597,0.2251696275023554,0.22833136114924354,0.22962578476360038,0.2302417688053025],"n_dims_used":43,"mean_confidence":0.9136059783225836},"coverage":{"mean_confidence":0.9136059783225836,"n_dims_used":43,"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}}