{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":473,"cluster_id":4730001946},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["473:4730001508","473:4730001868","473:4730002108","473:4730003776","473:4730002439","473:4730004148","473:4730001643","473:4730002320","473:4730004140","473:4730003448","473:4730001147","473:4730001325","473:4730001855","473:4730001056","473:4730001151","473:4730002025","473:4730000745","473:4730002619","473:4730003779","473:4730001947","485:4850000197","485:4850000217","473:4730002235","473:4730001054","473:4730000874"],"twin_admin_codes":[473,473,473,473,473,473,473,473,473,473,473,473,473,473,473,473,473,473,473,473,485,485,473,473,473],"twin_sims":[0.6409015293358982,0.5913183597306595,0.47867712565312703,0.42600059901766213,0.4175472685005276,0.40667151237958155,0.3904795418650135,0.3865263782202302,0.3739394911581292,0.37073311059053204,0.3686166195919982,0.33197243830854534,0.31836159574875134,0.30830831564250083,0.2982146822295722,0.2939589765397201,0.2925639189998333,0.285099610291602,0.27400057145980933,0.27199223943831147,0.26622653522058104,0.25995657910150727,0.25952954490754476,0.25868657812824314,0.2556156326047197],"twin_dists":[0.12250675001572213,0.13313252796012628,0.15764954340028078,0.1696654500562477,0.17164647016439155,0.17422065990410385,0.17811088715242762,0.1790719268807274,0.18216361361999348,0.18295926169625637,0.18348632875844806,0.19287155730759167,0.19649863561066783,0.19923398015764954,0.20203241529372054,0.20322888725440133,0.20362332545693118,0.20575305140145733,0.20898294894008188,0.20957587662249227,0.2112932737032705,0.21318735214604037,0.21331739084519885,0.2135744835285487,0.21451557410550284],"n_dims_used":45,"mean_confidence":0.9160129123263889},"coverage":{"mean_confidence":0.9160129123263889,"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}}