{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012021},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011753","490:4900011290","490:4900011066","490:4900009722","490:4900011149","490:4900008773","490:4900010493","490:4900009009","490:4900011067","490:4900010991","490:4900009723","490:4900011296","490:4900010310","490:4900011069","490:4900010391","490:4900011559","490:4900010134","490:4900009529","490:4900010908","490:4900011429","490:4900008896","490:4900011227","490:4900011752","490:4900008895","490:4900010676"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.441911280550038,0.35469894088471104,0.3228518041335601,0.32212073025370597,0.2914545852787121,0.28481586744376536,0.26857387376476033,0.2486030429772116,0.24497761832768958,0.21900341911448953,0.17990955467311476,0.1762240196520544,0.17465714361549411,0.14560051419547343,0.130060164731254,0.129551584077044,0.1272874977527287,0.12234576373044376,0.11820013685236114,0.11270256675754729,0.10623339826935185,0.10470329899779943,0.09854790250123022,0.08583423526865609,0.08407334447012134],"twin_dists":[0.1659800154698705,0.18699093098055908,0.19529270071764177,0.19548840231105147,0.20393777508589966,0.20583466448495008,0.21059133240772102,0.21669182509074317,0.21783234351248718,0.2263446615628156,0.2405520254180296,0.24199902214638921,0.2426207266976119,0.2549571224936568,0.2623180530861039,0.26256986551139766,0.26370003161384964,0.2662207850022356,0.26839599081941523,0.2713726142987532,0.2750223280772118,0.2759106778104843,0.27959009264456236,0.2878024112329018,0.28901469634400256],"n_dims_used":44,"mean_confidence":0.8836408094926314},"coverage":{"mean_confidence":0.8836408094926314,"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}}