{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002918},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003747","490:4900004164","490:4900002920","490:4900002612","490:4900003198","490:4900003075","490:4900002485","490:4900003738","490:4900004319","490:4900001997","490:4900003490","490:4900004436","490:4900003056","490:4900002626","490:4900001992","490:4900002776","490:4900003867","490:4900002487","490:4900003726","496:4960005701","490:4900002488","490:4900002309","490:4900002784","490:4900001296","490:4900004579"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,496,490,490,490,490,490],"twin_sims":[0.6684064509350522,0.6626996316897307,0.658622079131376,0.556097598157977,0.5536848906629344,0.5138146176244446,0.48418264884445217,0.48288416511777915,0.448937696286744,0.44399220326976124,0.4381206903926972,0.4313412078174869,0.3962690584563929,0.3901309845067259,0.3795405604567584,0.37041473712862155,0.3650674908098987,0.3603537964070942,0.3440026052557195,0.32942923788456097,0.327590219396609,0.32524016166422115,0.32278728020166053,0.3219913118894916,0.31239930567123025],"twin_dists":[0.11657764774235554,0.11781175758623703,0.11869212060750722,0.14069806955629105,0.1412183706878241,0.14987906856200484,0.15642119804009494,0.15671050636692038,0.1643690979644975,0.1655019161082472,0.1668531720390623,0.1684223083977485,0.17671158749933774,0.17819543918088496,0.1807817230614067,0.18303845005615968,0.18437356907887348,0.18555869014666737,0.18973289557716375,0.1935429424182933,0.194030204932946,0.19465507488352277,0.19530996320984398,0.19552307221789356,0.1981148428223673],"n_dims_used":45,"mean_confidence":0.9169115702311198},"coverage":{"mean_confidence":0.9169115702311198,"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}}