{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800002431},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800002335","480:4800002290","480:4800002287","480:4800002242","480:4800002430","480:4800001421","480:4800001419","480:4800002245","480:4800001476","480:4800002153","480:4800002334","480:4800002200","480:4800001992","480:4800001876","480:4800001535","480:4800001538","480:4800001641","480:4800001700","480:4800002384","480:4800002092","480:4800001359","495:4950002404","495:4950002557","495:4950002455","480:4800001877"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,495,495,495,480],"twin_sims":[0.5932446645846168,0.5246511583085538,0.44864338773975937,0.4176136941616773,0.40909341248718994,0.4064371588378352,0.3640511416533547,0.32401293834530137,0.32290161402059325,0.2763598068663499,0.2520101103541141,0.22986428444176027,0.22513824714229527,0.1892767876148467,0.18534280079040466,0.18450191626896875,0.183236951859486,0.1795359629311717,0.16639651178055698,0.158007014840006,0.15613383542894244,0.15442143787211451,0.1491024749121725,0.1467400598557116,0.13747576624624355],"twin_dists":[0.1327198280257457,0.14751154302835032,0.1644363798011255,0.17163083766975104,0.17364483717655738,0.17427645954855575,0.18462844215818183,0.1949823832195806,0.19527937608217474,0.20828981938515595,0.21562967468114846,0.2227085202751291,0.22427640366417448,0.23696630394090826,0.23845664588683993,0.23877808101145265,0.23926357340202462,0.2406977394935287,0.24596607589964362,0.24948857567763272,0.25029355933528646,0.2510356462450557,0.25337986301296467,0.2544408305790458,0.2587279481520985],"n_dims_used":43,"mean_confidence":0.9136278906533885},"coverage":{"mean_confidence":0.9136278906533885,"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}}