{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011949},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010213","490:4900010212","491:4910005518","490:4900010302","490:4900010818","490:4900009720","490:4900012086","491:4910003945","490:4900011144","490:4900010733","490:4900010022","491:4910005314","490:4900011145","491:4910004957","490:4900009625","491:4910005714","491:4910005416","491:4910004803","491:4910005365","490:4900010021","490:4900011359","490:4900009819","491:4910004956","490:4900007896","490:4900011061"],"twin_admin_codes":[490,490,491,490,490,490,490,491,490,490,490,491,490,491,490,491,491,491,491,490,490,490,491,490,490],"twin_sims":[0.4464532705170715,0.276496195325328,0.22649819853810665,0.16697767727329593,0.15976630081706034,0.12554764463899276,0.10282383744097728,0.09321062033786712,0.09304449319111269,0.08513874385733809,0.08167263550152479,0.0651190640533632,0.06273536447829733,0.054759398065328105,0.05378787417095294,0.05166588158271254,0.04711456927083321,0.044572840004410336,0.04247002885432241,0.04054374991529777,0.03777465987087442,0.036139448959038076,0.034394823708781594,0.033036996865659245,0.028737174595587278],"twin_dists":[0.16493758631382716,0.2082498601738963,0.2238230167092268,0.24572686443056221,0.24873884806243493,0.2645789051561428,0.2770158010780558,0.2829293341649593,0.28303566289517046,0.2882788319473374,0.2907005498987855,0.30355854442847513,0.3056236703527816,0.3130382670510687,0.3140013393233826,0.31615610006505496,0.32103822650382374,0.3239388694108637,0.32644549331577866,0.3288351049971639,0.3324440241605751,0.33468180333693565,0.3371662357155187,0.3391752354471274,0.3460400227506304],"n_dims_used":44,"mean_confidence":0.8823769309303977},"coverage":{"mean_confidence":0.8823769309303977,"n_dims_used":44,"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}}