{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000482},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000268","490:4900000498","496:4960008375","490:4900000334","496:4960008263","490:4900000338","490:4900000356","490:4900000731","490:4900000327","490:4900000431","490:4900000493","490:4900000425","490:4900004599","490:4900000674","490:4900002029","490:4900000357","490:4900002493","496:4960008151","487:4870004985","490:4900000090","487:4870004549","490:4900001196","490:4900000499","490:4900004462","490:4900004187"],"twin_admin_codes":[490,490,496,490,496,490,490,490,490,490,490,490,490,490,490,490,490,496,487,490,487,490,490,490,490],"twin_sims":[0.7329489470037762,0.6422913368562939,0.5863841393940161,0.569340284491022,0.5422034878874998,0.5322516683632926,0.5090241517390667,0.4673626439964982,0.4576198277403304,0.4551660858578265,0.4540844971073454,0.4272675291641901,0.4249190972507819,0.3991602440160312,0.38974408736411037,0.38724660941281336,0.37910718427815115,0.3749051087635287,0.3744762398411974,0.3737977154860597,0.3737680377528997,0.37304482026884483,0.3671559812637173,0.3670136972876432,0.35970455502038506],"twin_dists":[0.1023752447982395,0.12220813600133179,0.13418997262907315,0.13784780242625927,0.14369940437476836,0.14585764645378219,0.15092955668104252,0.16018845653025093,0.16239157209154134,0.162949053487519,0.16319513377140998,0.1693699687038053,0.16991797256373256,0.17601633246999654,0.17828933304659633,0.17889648977250813,0.18088828941221993,0.18192465939906,0.1820307510598348,0.18219872330501985,0.182206073602676,0.18238528209328872,0.18385095030661164,0.18388650765510714,0.18572253896477078],"n_dims_used":45,"mean_confidence":0.9144230312771268},"coverage":{"mean_confidence":0.9144230312771268,"n_dims_used":45,"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}}