{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000636},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000746","490:4900000745","490:4900000633","494:4940007326","490:4900000861","494:4940008048","490:4900013117","490:4900000637","490:4900013083","490:4900013048","490:4900000638","494:4940004802","494:4940004080","494:4940004318","490:4900012302","494:4940004678","490:4900000743","490:4900012237","494:4940005280","490:4900012788","490:4900012301","494:4940005054","490:4900000744","494:4940008047","490:4900001831"],"twin_admin_codes":[490,490,490,494,490,494,490,490,490,490,490,494,494,494,490,494,490,490,494,490,490,494,490,494,490],"twin_sims":[0.3121815619331083,0.13557176873138338,0.10293367344790218,0.0892677883823157,0.05770856305591645,0.05229736082217701,0.03198983423777518,0.028268754343783422,0.02583255414001293,0.021626478245003636,0.02124179351587197,0.02078504679870504,0.01744261143285138,0.016819570186361793,0.015634173049124293,0.0151466550711131,0.012983495208155928,0.012767197600282018,0.012677071454027536,0.012545733445131612,0.011951569834659082,0.01048275477246871,0.009315169722686114,0.009287773583191857,0.0090667381984387],"twin_dists":[0.1981741971838811,0.25963557723846115,0.2769507861341279,0.28549440791637726,0.31019888279782537,0.3155073064488543,0.34077328682698954,0.3468401792593169,0.351195588971376,0.3596297895068165,0.36047059447664465,0.36148628691099033,0.36957629294214117,0.3712326392215032,0.3745385748473591,0.3759625518962658,0.3828137845387608,0.3835532942063911,0.38386470835413006,0.3843220511462602,0.38644557513678546,0.39212735235392093,0.3971744038773608,0.3972994689628687,0.3983207419365916],"n_dims_used":45,"mean_confidence":0.9111962212456597},"coverage":{"mean_confidence":0.9111962212456597,"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}}