{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800003763},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800003503","480:4800003764","480:4800002812","480:4800003629","480:4800002811","480:4800003441","480:4800003628","480:4800003839","480:4800002810","480:4800002609","480:4800003160","480:4800003442","480:4800002906","480:4800003840","480:4800003125","480:4800002858","480:4800002666","480:4800003914","480:4800004231","480:4800003564","480:4800003695","480:4800003434","480:4800003501","480:4800003206","480:4800003329"],"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":[0.5081945648476369,0.4873581721938302,0.4659336277700403,0.43048728895188526,0.3931930372001741,0.33438664935728457,0.3216637841570507,0.3102740120818799,0.30903878805910107,0.28610332626258117,0.2714278227672741,0.27134358046290796,0.2488928402804028,0.22152691873077604,0.20883849607220833,0.2071914031697164,0.1868837807275909,0.18215523664493835,0.17926831412066835,0.17466231265685572,0.1743639162703961,0.17022865326436995,0.15469045464922515,0.15162825145676012,0.15000979008241894],"twin_dists":[0.15111173177582693,0.1557146856396512,0.1605105841706731,0.16862065205790247,0.17745385722017418,0.1922368207309449,0.1956108484847255,0.1986951866978949,0.19903352953299766,0.20546474344096652,0.20974299630235682,0.209767958203629,0.21660112014601507,0.22548927779409092,0.2298590629191222,0.23043937819222193,0.23787024493684242,0.23968061341510008,0.24080226425269932,0.24261866920226335,0.24273751469531585,0.2443996809791295,0.2509186674203185,0.25225914992607884,0.25297568061387216],"n_dims_used":43,"mean_confidence":0.9134179048759993},"coverage":{"mean_confidence":0.9134179048759993,"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}}