{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800002003},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800002252","480:4800001609","480:4800001253","480:4800002109","480:4800002002","480:4800002053","480:4800001316","480:4800002495","480:4800001947","480:4800001378","480:4800002006","480:4800002165","480:4800001266","480:4800001267","480:4800002540","480:4800001616","480:4800001771","480:4800001885","480:4800002493","480:4800002494","480:4800001268","480:4800002345","480:4800002051","480:4800001944","480:4800002007"],"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":[0.489357254839944,0.4830837193159789,0.47312152196938345,0.44390234122658156,0.42886461963123357,0.41992587784215146,0.4059104466806702,0.39422299992276605,0.3912000111324618,0.3662014258290869,0.33695156261411635,0.33023480411355144,0.2817211119765764,0.27786814464455567,0.24608923483543055,0.24597303333276857,0.23705926961645468,0.22005191570824736,0.20814020207093115,0.20340646441093033,0.2004342179924717,0.18491793941304274,0.1687042228253699,0.16773434056496697,0.16624471193306228],"twin_dists":[0.15527063643130248,0.15666602896647666,0.15889367344505592,0.1655225443636557,0.1689979989251475,0.17108735133534123,0.1744019221131299,0.17720502056981174,0.17793622973209414,0.18408963013200966,0.19156518487775662,0.1933299726229736,0.20672801140462388,0.20784857300614237,0.21748149445064485,0.217518122222247,0.22036184238582612,0.22598845830547798,0.2301047084716202,0.23178495764110296,0.23285370468487906,0.23861892412502494,0.24501972616590073,0.24541631433583622,0.2460286569035933],"n_dims_used":43,"mean_confidence":0.9203296040379724},"coverage":{"mean_confidence":0.9203296040379724,"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}}