{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":477,"cluster_id":4770003530},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990000334","477:4770003977","499:4990000992","499:4990001288","477:4770003587","477:4770003590","477:4770003843","499:4990000288","499:4990000340","499:4990000845","477:4770003646","499:4990000520","477:4770003847","499:4990000661","499:4990000453","477:4770003972","499:4990000662","499:4990000990","499:4990000991","499:4990001286","477:4770003593","477:4770003700","499:4990001939","499:4990001476","477:4770003759"],"twin_admin_codes":[499,477,499,499,477,477,477,499,499,499,477,499,477,499,499,477,499,499,499,499,477,477,499,499,477],"twin_sims":[0.9372731398407443,0.9330586314245379,0.911446877976316,0.9099965531108116,0.9035507704023429,0.8985735939796814,0.8696706807849514,0.8584637878467365,0.8563774044746363,0.8282258644067927,0.826323386760136,0.8241916914824284,0.8171922354137591,0.8080774205848771,0.8078762094782576,0.7998794146581693,0.7989048264537765,0.7918008311134659,0.7862181044147929,0.7847481658380974,0.7826582300324596,0.7813529600682294,0.7786546792915703,0.7772384050261586,0.776952387873788],"twin_dists":[0.04674779251201559,0.04834654790454378,0.05592811221659034,0.0564063505319772,0.05849342101268815,0.06006513730509999,0.06863486771608394,0.0717515769433806,0.07232134191862764,0.07973688093882642,0.08022187867395861,0.08076316620015113,0.0825251797430149,0.08478673801647034,0.0848362654691842,0.08679159247498143,0.08702820612054948,0.08874246732384065,0.09007730395959435,0.09042704971783629,0.09092311783088827,0.09123223727910461,0.0918695841623496,0.09220323004116222,0.09227053713178575],"n_dims_used":45,"mean_confidence":0.9242023044162326},"coverage":{"mean_confidence":0.9242023044162326,"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}}