{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800004336},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["470:4700001023","480:4800004509","496:4960004756","489:4890004115","500:5000006270","480:4800004249","469:4690002901","496:4960011180","472:4720000816","480:4800004334","480:4800004170","488:4880000893","480:4800004168","493:4930000183","478:4780008766","480:4800004335","467:4670002229","480:4800004595","468:4680005509","469:4690002900","466:4660002598","470:4700007637","496:4960005211","485:4850004997","496:4960004599"],"twin_admin_codes":[470,480,496,489,500,480,469,496,472,480,480,488,480,493,478,480,467,480,468,469,466,470,496,485,496],"twin_sims":[0.06447647310176424,0.04663058904704998,0.0389330817642142,0.03829647054173274,0.021437760876235466,0.018598033598815043,0.018245460903304197,0.017172245430274184,0.016421450524928733,0.014732122042782767,0.013254757270120491,0.013207464566027224,0.011515236751724126,0.010343461683791105,0.0093805329318429,0.008614770998789146,0.008145410626167358,0.007675509486198522,0.004795763403469611,0.004779612729488185,0.004674822337880627,0.004228792493687977,0.003734143307689432,0.003434525404273966,0.003270154764054271],"twin_dists":[0.30410908547016086,0.3215802736810637,0.3309079072705247,0.3317472140569644,0.36004062873671006,0.366637284373182,0.36751675554601715,0.3702885776953388,0.37231945597304783,0.3772054628141966,0.38190161098780717,0.38205944651515034,0.38806549771011656,0.3927023392210576,0.39687733837249806,0.4004802324462472,0.40283291903311264,0.4053133106150054,0.4244342109261761,0.4245682507825605,0.42544805105840927,0.4294051543173842,0.43426412017982086,0.43750073228502295,0.4393874055676588],"n_dims_used":43,"mean_confidence":0.8995074782260629},"coverage":{"mean_confidence":0.8995074782260629,"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}}