{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001102},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001302","491:4910001041","491:4910001598","491:4910002283","491:4910001103","491:4910003160","491:4910000175","491:4910001038","491:4910002432","491:4910001539","491:4910002898","491:4910001104","491:4910001990","491:4910002486","491:4910001303","491:4910002138","491:4910002981","491:4910002093","491:4910002683","491:4910001536","491:4910002980","491:4910002092","491:4910003261","492:4920007079","491:4910002337"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,492,491],"twin_sims":[0.18613458204226127,0.18062579848434082,0.17629817865408123,0.11730227529710724,0.112257174424423,0.0818301328628074,0.07904265818231224,0.06975985322863454,0.068791451878149,0.062305285548398925,0.05649203491431492,0.05217456412207692,0.05049006260158598,0.048149061207736106,0.04656577278545793,0.045771520553490534,0.044478071833330454,0.04350938109781052,0.03988162993800159,0.03894894093830143,0.037754817509942126,0.03599992794495619,0.03442462953833658,0.03433555486096029,0.03257422105993704],"twin_dists":[0.2381549171993101,0.24027326315630232,0.24196969513509628,0.2688747648684131,0.27161862463914754,0.2905887442708498,0.2925935631665553,0.2997089320048259,0.3004946395900527,0.3060030900395584,0.3113552584245586,0.3156329583590486,0.31738193218402555,0.3198950536195243,0.3216532234835946,0.3225541181770659,0.32404967576037036,0.32519382327543533,0.3296786266416415,0.3308871472625334,0.332470681611653,0.3348766921621118,0.3371228994439143,0.3372525049431866,0.3398760528120239],"n_dims_used":45,"mean_confidence":0.8984520806206597},"coverage":{"mean_confidence":0.8984520806206597,"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}}