{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002701},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001947","490:4900001384","490:4900001959","490:4900003830","490:4900004521","490:4900002405","490:4900002096","490:4900002416","490:4900001523","490:4900004114","490:4900001962","490:4900002097","490:4900002422","490:4900002700","490:4900004241","490:4900003976","494:4940008989","490:4900009692","490:4900004242","490:4900003273","490:4900011744","494:4940009006","490:4900003693","490:4900009969","490:4900004247"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,490,490,494,490,490,490],"twin_sims":[0.6199014063954329,0.4629282458090274,0.4343731435449631,0.42377058522532396,0.27418947397833526,0.2572456293880464,0.24257425700110025,0.23867193929690006,0.23642652518144827,0.23451566823703168,0.23133137416054908,0.20767970855911913,0.17819646856076818,0.16936332552316458,0.1666033770557035,0.16191370759368526,0.14963376365402187,0.144989210492769,0.139808601913393,0.1388617744785025,0.13710932379316956,0.13561887577561793,0.13405788065511293,0.1339609208869219,0.13394237156559],"twin_dists":[0.12701098517391285,0.16118917346490924,0.16771934534332902,0.17018643425002924,0.2089273160956704,0.2140151779048706,0.21859441912523428,0.21984227842205786,0.22056632739556903,0.22118604203008024,0.2222261457461122,0.23026700807611492,0.2412219643485541,0.24475115160091543,0.24588085987388536,0.24783181456764497,0.25314297023610055,0.2552353186191459,0.25762862092647343,0.2580731403774571,0.25890189536098185,0.2596130066169065,0.26036408688296375,0.2604109556843472,0.26041992503352984],"n_dims_used":45,"mean_confidence":0.9204752604166667},"coverage":{"mean_confidence":0.9204752604166667,"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}}