{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000003},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000245","480:4800000020","480:4800000215","480:4800000236","480:4800000021","480:4800000107","480:4800000204","480:4800000001","480:4800000244","480:4800000157","480:4800000005","480:4800000055","480:4800000243","480:4800000106","480:4800000166","480:4800000229","480:4800000195","495:4950000590","480:4800000190","480:4800000167","480:4800000042","480:4800000226","480:4800000255","480:4800000187","480:4800000220"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,495,480,480,480,480,480,480,480],"twin_sims":[0.41819417471855014,0.38876609360180997,0.31547088945551843,0.3134179605617912,0.270032440856502,0.26746023630009513,0.26478150796766703,0.250616701555094,0.24970135593891724,0.2275663676414832,0.2225098127261631,0.2098512809332545,0.20958321753017725,0.19903779753391906,0.19626924200861662,0.18146931606093403,0.17722412426628104,0.1655258395605745,0.16349293456705372,0.16166797356464205,0.1593324017474155,0.15683926391239641,0.1479566407952008,0.14125871226709832,0.13844347156541864],"twin_dists":[0.17149427359303057,0.17852687215954566,0.19728006177895163,0.1978374822639346,0.21015708100675762,0.21092387437964313,0.21172730615084862,0.21606295310324117,0.21634841621267517,0.22346817019513662,0.22515787241852186,0.22950377739392736,0.22959770049651207,0.23335959298807235,0.23436986599703297,0.23994596738598317,0.2416042565185541,0.2463255804519063,0.24717032628496882,0.24793516482067768,0.2489231955033667,0.24998958387133402,0.2538928982085149,0.256952150690372,0.2582702474448744],"n_dims_used":42,"mean_confidence":0.9020220438639323},"coverage":{"mean_confidence":0.9020220438639323,"n_dims_used":42,"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}}