{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990000342},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["477:4770003810","477:4770003851","477:4770003850","477:4770003848","477:4770004003","477:4770003813","499:4990000671","477:4770003711","477:4770003812","477:4770003892","499:4990000460","499:4990001001","499:4990001491","499:4990000243","499:4990000834","499:4990000846","477:4770003889","499:4990000290","499:4990000663","477:4770003998","477:4770003765","477:4770003808","499:4990000338","477:4770003814","477:4770004019"],"twin_admin_codes":[477,477,477,477,477,477,499,477,477,477,499,499,499,499,499,499,477,499,499,477,477,477,499,477,477],"twin_sims":[0.8315403012883453,0.8274316751973174,0.8122896581344307,0.7959148315949927,0.7949226013104211,0.7538018013057658,0.740667043240989,0.7370880587720715,0.7294616288682013,0.7104503521010002,0.7000580253887471,0.6976039104110145,0.6907748226948581,0.6811794048367109,0.6659218667333576,0.6604345486090609,0.6576983546473674,0.6474723254663685,0.6471581609450896,0.6409856851465373,0.6364770247707967,0.630788430078131,0.6307491620413596,0.6257940838392024,0.62574830298592],"twin_dists":[0.07888750264325392,0.07993956534146127,0.08374604241162156,0.08775193344860098,0.08799138386513589,0.09764381806397411,0.10063455850949136,0.10144318394416355,0.10315804078634473,0.1073891936786387,0.10967930117827852,0.11021804327666553,0.11171340779556396,0.11380585921357296,0.11711524086627695,0.11830093795037941,0.11889140453100612,0.12109418453630806,0.1211617686375334,0.12248867061589722,0.123456881154456,0.12467744680977902,0.12468586878797065,0.1257482722393128,0.12575808513171255],"n_dims_used":44,"mean_confidence":0.9249649047851562},"coverage":{"mean_confidence":0.9249649047851562,"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}}