{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910003428},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910003445","492:4920001276","491:4910003426","491:4910003384","491:4910003265","491:4910003349","492:4920001365","491:4910003516","491:4910003385","495:4950000577","491:4910003304","491:4910003047","491:4910003430","491:4910002999","491:4910002755","491:4910003179","491:4910003130","491:4910003307","491:4910003303","491:4910003177","491:4910003383","491:4910003221","491:4910003386","491:4910003473","491:4910003346"],"twin_admin_codes":[491,492,491,491,491,491,492,491,491,495,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491],"twin_sims":[0.1323963455778525,0.06433100372511671,0.06232599869121234,0.06134263629693892,0.050199877880515616,0.04964217282937223,0.039966189736634496,0.037324597505603116,0.03698040746391299,0.03650251912535822,0.03428370174017622,0.03417816949880397,0.03270784730157453,0.03107675778853051,0.028983650954031943,0.028459065684256532,0.02701020388625364,0.026752825551831727,0.026466497575819065,0.024350589676808258,0.02388935318459917,0.023330094518032574,0.022867754306832612,0.022246597378591342,0.021990389753996812],"twin_dists":[0.26117079579104396,0.30423433887919743,0.305984767578322,0.30686019519902386,0.31768811140690156,0.31828071933153396,0.3295702441003956,0.33305160592477573,0.3335204667083735,0.33417763054469385,0.33732808423473853,0.33748220555761355,0.3396728239249308,0.3422036284734806,0.3456234813263624,0.346513724562391,0.34904795060533583,0.34951032801881954,0.35002924039155003,0.35402171123058085,0.35493166665457454,0.35605564504422466,0.35700261691948154,0.35830138344972734,0.3588462754901268],"n_dims_used":44,"mean_confidence":0.8928672617132013},"coverage":{"mean_confidence":0.8928672617132013,"n_dims_used":44,"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}}