{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910000451},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910000207","491:4910000179","491:4910000178","491:4910000628","491:4910000418","491:4910000814","491:4910000313","491:4910000353","491:4910000094","491:4910000112","491:4910000105","491:4910000289","491:4910000158","491:4910000402","491:4910000403","491:4910000502","491:4910000035","491:4910000370","491:4910000312","491:4910000119","491:4910000569","491:4910000208","491:4910000570","491:4910000106","491:4910000332"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491],"twin_sims":[0.6704885094468923,0.6063029756759986,0.47655766270722266,0.34478254191601043,0.33936034600689263,0.3224216625974969,0.3188891306759384,0.3161043051939287,0.29882688056021117,0.28450145940219396,0.26839316727034446,0.26169640347634876,0.2480748338257694,0.21898591038898976,0.21719893474755947,0.2166159231788723,0.21033217408889698,0.20647100348926947,0.20615152161945513,0.20323533156550355,0.20067783678357007,0.19578735451614016,0.1927753439802964,0.18454560400187084,0.1758305654148325],"twin_dists":[0.1161267793283481,0.12992324056498386,0.15812362038911426,0.18953145757539583,0.19093694373079423,0.19540781556366604,0.19635646289187728,0.19710848942276868,0.2018611266769351,0.20592515498888714,0.21064523476601216,0.21265893104819567,0.2168573260869826,0.22635061945610316,0.22696038364220572,0.22716005218541785,0.2293354879227697,0.2306941837214837,0.2308073788871946,0.23184620064030115,0.23276569676863854,0.23454671768072402,0.23565902254370363,0.23876135564431683,0.24215476522410156],"n_dims_used":45,"mean_confidence":0.8896492852105035},"coverage":{"mean_confidence":0.8896492852105035,"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}}