{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003558},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004254","490:4900004241","490:4900004115","490:4900009912","490:4900010208","490:4900009792","490:4900002405","490:4900001523","490:4900003976","490:4900001956","490:4900003547","490:4900004397","494:4940008978","490:4900002423","490:4900010205","490:4900001959","490:4900009803","490:4900009796","490:4900009177","490:4900004521","490:4900003825","490:4900008734","490:4900010639","490:4900010111","490:4900007958"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.42721060708984054,0.4227605188389728,0.41720723602029275,0.36384890270189924,0.3115326811056006,0.29299062410595966,0.28546016346829445,0.2691465623526494,0.2679907138956912,0.26450735415492255,0.2602136597935723,0.2547515616305447,0.2511515432447399,0.24623477464684154,0.23745313296044343,0.21915498611045367,0.2153374211767414,0.21315010004084448,0.2114528660500843,0.21084592551172063,0.20632424422244028,0.20010463052736652,0.20002162812166469,0.19928015916363132,0.1906087464958247],"twin_dists":[0.1693832366601639,0.17042278581835613,0.17172650945346868,0.1846792010881002,0.19835121464029254,0.20350256088998048,0.2056494157870254,0.21042065526153134,0.21076536219097808,0.2118098182761721,0.21310913176487367,0.21478165682905795,0.21589646355251302,0.21743563466972912,0.22023473679376487,0.22629309948442014,0.22759918106316004,0.22835456030015058,0.2289443111348964,0.22915598815545105,0.23074616691757519,0.2329728863769148,0.2330029220899218,0.23327161623410111,0.2364666272836021],"n_dims_used":45,"mean_confidence":0.9104268391927083},"coverage":{"mean_confidence":0.9104268391927083,"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}}