{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008657},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008436","490:4900008772","490:4900010126","490:4900008771","490:4900010124","490:4900008545","490:4900010027","490:4900011495","490:4900011430","490:4900010026","490:4900010829","490:4900011560","490:4900011223","490:4900007786","490:4900011624","490:4900008790","490:4900008782","490:4900010308","490:4900008774","490:4900010125","490:4900008789","490:4900010311","491:4910005946","490:4900008340","490:4900011755"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490],"twin_sims":[0.8404527804997773,0.7632750245568826,0.6492434291414241,0.6137944580284088,0.5365936629875363,0.5284998564636759,0.46932567584063156,0.4639275295834761,0.4405730260905303,0.435452499764493,0.34187641601076435,0.33184444862544354,0.3079617167955899,0.28013310804238706,0.26638919121323423,0.2558884823864199,0.2535078292675998,0.24377403916061424,0.21239725439733018,0.19407085596805498,0.18532198683013593,0.16592380849755367,0.1542888939469683,0.1454935029327976,0.14244048164976317],"twin_dists":[0.07657409198257967,0.0954620526691414,0.12071308554750963,0.12831903860542698,0.14491503897324626,0.1466734111474215,0.15974650070338214,0.16096337397460234,0.16628794494317894,0.1674695692602905,0.1902832739959342,0.1929052781340569,0.19932918666477026,0.20718871731925528,0.21124450982594645,0.21443167094494237,0.21516566001797952,0.2182133768297755,0.2286157633154987,0.23517913358497858,0.23846458979864352,0.2461610883591032,0.25109333631746106,0.25500575933310343,0.25640467418346824],"n_dims_used":44,"mean_confidence":0.8840675354003906},"coverage":{"mean_confidence":0.8840675354003906,"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}}