{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":477,"cluster_id":4770002598},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["477:4770002727","477:4770002458","477:4770002462","477:4770002179","477:4770002874","477:4770001986","477:4770002802","477:4770002947","477:4770002317","477:4770002052","477:4770002879","477:4770003038","477:4770002325","477:4770002970","477:4770002528","477:4770000646","477:4770002261","477:4770002726","477:4770002195","477:4770002007","477:4770003124","477:4770002869","477:4770002797","477:4770002124","477:4770002873"],"twin_admin_codes":[477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477],"twin_sims":[0.8031233370854333,0.7570080690357137,0.7271427209398238,0.71271638109198,0.6822862521976341,0.6766905410764112,0.6746062269740762,0.6252861903754714,0.6049488526902262,0.5945211808577671,0.5856765819470081,0.5852707863519195,0.5823853404944104,0.5746444489493436,0.5496024410815066,0.5492247028730811,0.5467508186163229,0.5456863220808006,0.5414425633911027,0.5375086642539988,0.5206048200316591,0.5061544960868682,0.4861532979531024,0.4756276227693427,0.4536962225876863],"twin_dists":[0.08600142658860731,0.09690784255259631,0.10367734889575791,0.10688784243292723,0.113564970438628,0.11478160146440826,0.11523404363810856,0.1258571339578801,0.13021319539211368,0.13244637344287347,0.13434165108286272,0.13442864650150996,0.13504735550976457,0.13670840224207442,0.1420995571316483,0.142181144299829,0.14271570778910558,0.14294585399000778,0.14386415535856692,0.14471659503749965,0.14839420816650983,0.1515600575417418,0.1559825873889152,0.15833186574515093,0.16328352534155255],"n_dims_used":45,"mean_confidence":0.9234488593207465},"coverage":{"mean_confidence":0.9234488593207465,"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}}