{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001775},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001950","480:4800001607","480:4800001440","480:4800001375","480:4800002111","480:4800001835","480:4800002486","480:4800002160","480:4800001621","480:4800001716","480:4800001319","480:4800001948","480:4800001660","480:4800001610","480:4800002056","480:4800001346","480:4800002496","480:4800001890","480:4800001492","480:4800001943","480:4800001498","480:4800001318","480:4800001663","480:4800001501","480:4800002300"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.5724282986365367,0.39240449962197904,0.37994443174171977,0.3783170654512496,0.37735566101041285,0.369890059391553,0.3223478982146027,0.31563546789063485,0.30146745122358065,0.2788365173877407,0.2668057677682062,0.2650591363615729,0.2621959623914118,0.26208827566548915,0.2610205250834808,0.25173419604931935,0.23893894567795157,0.23688891093577683,0.23686060819587815,0.22795490542364408,0.2258664295432993,0.2197980293141823,0.217065139549849,0.21016930164397138,0.2087360115756293],"twin_dists":[0.13718432445587322,0.1776445706872397,0.1806824648995764,0.18108273014312512,0.1813195888345907,0.18316902583469813,0.19542756505892953,0.1972354639242835,0.20112465795069426,0.2075660563655025,0.21111970555559503,0.2116438025668665,0.21250761207803073,0.2125402156558073,0.212863946695467,0.21571534827837044,0.21975647616743785,0.22041686237563282,0.22042600568812565,0.22333937137422033,0.22403341335976676,0.2260746059867558,0.2270061736228392,0.22939245613624384,0.22989507981127746],"n_dims_used":43,"mean_confidence":0.9205458885015443},"coverage":{"mean_confidence":0.9205458885015443,"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}}