{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012806},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012678","490:4900012879","490:4900012804","490:4900012807","490:4900012805","490:4900012938","490:4900012984","490:4900012674","490:4900012742","490:4900012320","490:4900012741","490:4900012934","490:4900012322","490:4900012319","490:4900012254","490:4900012981","490:4900012321","490:4900012871","490:4900012675","490:4900012985","490:4900012812","490:4900012464","490:4900012392","490:4900012982","490:4900012390"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.42369260605704256,0.3891009276401609,0.38497054020464827,0.33264354146635383,0.28396134624269226,0.2830133325867262,0.2608875065336596,0.19136570442651868,0.15726883968614172,0.14812675879596587,0.14285732533546383,0.11139532837630946,0.10744270395052596,0.10402927056616697,0.10010535691956998,0.0982723944701409,0.09544384348104443,0.09466620184720517,0.09394781217992884,0.08851614411553047,0.08495498739292236,0.0844160121900547,0.08197426379690714,0.08166937068414526,0.07850626431479704],"twin_dists":[0.17020467267094025,0.1784455147094035,0.17945143493334792,0.19269486113873754,0.2060807469237559,0.20635427598855674,0.2129043347205226,0.23618374504774856,0.2498049645798901,0.25381654475205806,0.2562123695516136,0.2720968076096674,0.2743272338555481,0.2763052153102726,0.27864250139520097,0.27975893813181657,0.28151428203534506,0.28200403436182797,0.2824592950704854,0.2859935486689458,0.28840522529749857,0.28877721059661626,0.290486578124899,0.2907028693813399,0.2929858393453253],"n_dims_used":45,"mean_confidence":0.908427259657118},"coverage":{"mean_confidence":0.908427259657118,"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}}