{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001868},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001725","490:4900002486","494:4940007270","490:4900001721","490:4900003077","494:4940007912","490:4900002751","490:4900003088","494:4940007720","494:4940007716","496:4960008145","496:4960005825","490:4900002462","490:4900001334","487:4870007911","494:4940007284","494:4940007795","490:4900002316","490:4900000826","487:4870006150","490:4900003228","490:4900003194","490:4900003351","494:4940007269","490:4900001738"],"twin_admin_codes":[490,490,494,490,490,494,490,490,494,494,496,496,490,490,487,494,494,490,490,487,490,490,490,494,490],"twin_sims":[0.6147886208372818,0.4917936292646635,0.42581319843693904,0.37857387289870637,0.37038418275535645,0.35704588231709466,0.3277523976774115,0.32451966213321526,0.32078584089372253,0.31419995223231934,0.30242631341778736,0.29642956112233326,0.2955955845842926,0.2905434714559596,0.28918384683753456,0.2880463571411974,0.28531506832941583,0.282597007646613,0.2802610525199723,0.2799270345775168,0.2791258311767432,0.27630658844651085,0.27599715444099887,0.2744122622214611,0.27313925478054557],"twin_dists":[0.12810612661637988,0.15473018837493813,0.16970918761806417,0.18101951068104186,0.18304605155756354,0.18639509169251686,0.19398717399664164,0.19484715338688904,0.19584638107404787,0.19762490857090242,0.2008581585663647,0.20253306116025044,0.20276756198743032,0.2041965701543963,0.2045836618440895,0.20490834610695793,0.2056911117430186,0.20647457243866674,0.20715153996293179,0.2072486186177057,0.20748176679875777,0.20830541463385296,0.2083961282904265,0.20886173393131396,0.20923691046130535],"n_dims_used":45,"mean_confidence":0.9178064982096354},"coverage":{"mean_confidence":0.9178064982096354,"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}}