{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008177},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009494","490:4900009395","490:4900008531","490:4900008410","490:4900008289","490:4900010890","490:4900008521","490:4900010109","490:4900008853","490:4900011127","490:4900008288","490:4900008514","490:4900008512","490:4900010719","490:4900010466","490:4900009072","490:4900009392","490:4900010385","490:4900007847","490:4900009073","490:4900008953","490:4900010192","490:4900010206","490:4900008420","490:4900009386"],"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":[0.5407567484623504,0.4633969778767901,0.45046700242303916,0.447118692660483,0.4196129608467403,0.38157096084402586,0.37018991265029516,0.3383211427136544,0.3372995362210366,0.33648234718037817,0.32569362824568343,0.3253981221674652,0.27905288140070117,0.27233693805996295,0.26380341526144646,0.2518177172276132,0.2517538505047707,0.2354287148248531,0.22314471054306656,0.21792145940584717,0.21187726623865588,0.2006596880591045,0.19464926063441784,0.19426303725423494,0.19358985524486585],"twin_dists":[0.144012680748726,0.16108323692849094,0.1640197493848722,0.1647852068262677,0.17116082892736367,0.18028323269866492,0.18309439053401447,0.1912076854331846,0.19147427965350686,0.19168784389085647,0.1945343059468282,0.19461299565154305,0.2075030151975401,0.2094739189198814,0.21202192769538608,0.21568940797081826,0.21570924343341813,0.2208895191581306,0.22494432104801948,0.22671343445544037,0.228796541724483,0.2327722505045312,0.2349655975361669,0.23510813490144505,0.23535704705270297],"n_dims_used":45,"mean_confidence":0.9194441901312934},"coverage":{"mean_confidence":0.9194441901312934,"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}}