{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":497,"cluster_id":4970001100},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["497:4970001102","497:4970001012","497:4970001101","497:4970001281","497:4970001367","497:4970001852","497:4970000853","497:4970001685","497:4970001854","497:4970001283","490:4900012799","497:4970001447","497:4970001191","497:4970001770","490:4900013155","497:4970001851","497:4970001775","497:4970001366","490:4900012803","490:4900012802","490:4900013021","490:4900012530","497:4970001686","497:4970001682","490:4900013120"],"twin_admin_codes":[497,497,497,497,497,497,497,497,497,497,490,497,497,497,490,497,497,497,490,490,490,490,497,497,490],"twin_sims":[0.4128879299008983,0.37849068916113715,0.2945892103370495,0.28333795423078595,0.2204511875053803,0.20701139370105692,0.19301886154747053,0.18929286163727824,0.17039790189218673,0.169782557174586,0.1281236528464597,0.12391118463908786,0.11312294014309941,0.10427323603140937,0.10153666144147923,0.07099751717278459,0.06552121455564572,0.056490325632607565,0.055230540820824105,0.055043617215963146,0.05454575157152777,0.05363893410390862,0.05297490835869208,0.051666942798450764,0.04506593900202744],"twin_dists":[0.1727456722162511,0.18103998612156863,0.20305105844248583,0.20626055119720085,0.22585311359763718,0.230502990829961,0.23556864686872445,0.23696025923174419,0.24433108720607866,0.2445807114446524,0.263280889471243,0.2654140279724568,0.2711411096720996,0.2761621826931507,0.2777817853333877,0.29871755312047216,0.30321625535385577,0.31135689759208074,0.3125763084703982,0.31275919655406503,0.313248833860402,0.31415025566800425,0.31481837745452557,0.31615500423739856,0.3233654904945066],"n_dims_used":45,"mean_confidence":0.9123992919921875},"coverage":{"mean_confidence":0.9123992919921875,"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}}