{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900013062},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900013336","487:4870000468","490:4900013004","490:4900013331","490:4900013213","490:4900013348","490:4900013313","490:4900013279","490:4900013146","487:4870000295","490:4900011039","490:4900013169","490:4900013308","487:4870000745","494:4940008074","490:4900013243","490:4900013244","487:4870000818","490:4900012124","490:4900012944","490:4900013135","490:4900011874","487:4870000200","487:4870000518","466:4660010017"],"twin_admin_codes":[490,487,490,490,490,490,490,490,490,487,490,490,490,487,494,490,490,487,490,490,490,490,487,487,466],"twin_sims":[0.24732265205619341,0.19281481588725397,0.1925584779418211,0.17122279011158,0.11799846211940943,0.0946535535010684,0.08375111755198174,0.0735136471882638,0.0706555085436344,0.06749255316202141,0.06529712663710097,0.06302668739496604,0.06207773027527715,0.05905739145930082,0.05883678620237606,0.05732999795878293,0.055211259011911575,0.04385216480284318,0.04194526033372693,0.03990147085416324,0.03721878681632004,0.034289721863578766,0.033478497320421866,0.03248161167733793,0.031275838256960696],"twin_dists":[0.21709339380900863,0.23564436810168085,0.2357395740860368,0.2439974708474907,0.26850328820539804,0.28201202633506284,0.2892387213836604,0.29674454382562043,0.29899009354233336,0.3015627431127329,0.30340677467227745,0.30536787167402535,0.30620471074512773,0.30894001715898545,0.30914427746670176,0.31055655554312056,0.312595150290124,0.3247865278405574,0.32708728275627885,0.3296531785935251,0.33319535106610504,0.33731930452007086,0.33851440270997984,0.34001731824946296,0.34188873146627263],"n_dims_used":45,"mean_confidence":0.9151316324869792},"coverage":{"mean_confidence":0.9151316324869792,"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}}