{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001697},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001757","491:4910001882","491:4910001212","492:4920006463","492:4920004333","491:4910001935","492:4920006223","492:4920005062","491:4910001639","492:4920006224","492:4920004504","492:4920006942","492:4920004469","492:4920004743","492:4920004543","492:4920006562","492:4920004594","491:4910001216","492:4920005251","492:4920006714","492:4920005980","492:4920004864","492:4920004982","492:4920004390","492:4920006613"],"twin_admin_codes":[491,491,491,492,492,491,492,492,491,492,492,492,492,492,492,492,492,491,492,492,492,492,492,492,492],"twin_sims":[0.5072545667032738,0.4573873021777262,0.40575603423618917,0.3886258204678496,0.3832971380952314,0.35925050445938805,0.33273413844944566,0.3282713134013831,0.3037231366487386,0.2992090893624136,0.2966049382497883,0.2962180089658691,0.2922918872654237,0.28426451564825783,0.2830413990183063,0.2791887182739894,0.27750093879049287,0.2740142482182223,0.272706013580646,0.2712118001707379,0.26800841163130124,0.26556452796269786,0.2648740379399926,0.260362377618026,0.2581560154545024],"twin_dists":[0.1513182468666232,0.16244435458014828,0.17443871681618614,0.17856096530811577,0.17986043610705948,0.18583721734344444,0.19267102258357727,0.1938495683936066,0.20049850950614595,0.20175429172158132,0.20248379739649092,0.2025925093993391,0.2037003694537974,0.20599339011846735,0.20634617008336603,0.207463452110788,0.20795585986457266,0.20897892026823656,0.20936483885178214,0.20980701570953814,0.21076007728195512,0.21149193343320283,0.2116994694168855,0.21306390447369083,0.2137365682603595],"n_dims_used":45,"mean_confidence":0.8985237969292534},"coverage":{"mean_confidence":0.8985237969292534,"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}}