{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":487,"cluster_id":4870001013},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["487:4870001012","487:4870001290","490:4900003865","490:4900002741","496:4960007892","487:4870001664","490:4900003456","490:4900003987","490:4900001996","487:4870000923","490:4900003046","490:4900003036","487:4870001008","490:4900002900","490:4900003866","487:4870000917","490:4900003068","490:4900003714","490:4900003472","490:4900003855","490:4900002603","490:4900004292","490:4900002139","490:4900004402","490:4900003728"],"twin_admin_codes":[487,487,490,490,496,487,490,490,490,487,490,490,487,490,490,487,490,490,490,490,490,490,490,490,490],"twin_sims":[0.8476945752285319,0.3388240509298031,0.2425722479702383,0.23543984228115755,0.22497943659101421,0.21903563495705927,0.21449596883813862,0.20096535495277562,0.19870306763477094,0.1978892877843836,0.17478168676067307,0.17329670568874558,0.17226996177258574,0.17186963908628802,0.17161571218054228,0.17011682222688368,0.16026656784305074,0.156528374323409,0.15186523192475535,0.15043127489127658,0.1454106546155027,0.14283319075847833,0.14233799343332146,0.14196526895473746,0.14144065166282427],"twin_dists":[0.0746602959398799,0.19107660790612507,0.21859505820002192,0.22088591002973096,0.22432946718062455,0.22633369994613703,0.22788915592487738,0.23266192469647937,0.23348122090285536,0.23377750849397316,0.2425711653812149,0.24316375609842017,0.24357560961933936,0.24373666531205518,0.24383896310730757,0.24444503117319938,0.24852675478062183,0.2501234256527075,0.2521547058177322,0.2527885337711118,0.2550434322628445,0.2562234922980507,0.2564520196553263,0.25662441754077603,0.2568676424945127],"n_dims_used":43,"mean_confidence":0.9128094163051871},"coverage":{"mean_confidence":0.9128094163051871,"n_dims_used":43,"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}}