{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012142},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012006","490:4900011125","490:4900011123","490:4900011800","490:4900012004","490:4900011722","490:4900011477","490:4900012143","490:4900012075","490:4900011997","490:4900011931","490:4900010784","490:4900009169","490:4900011852","490:4900011605","490:4900009274","490:4900009168","490:4900010075","490:4900012074","490:4900011472","490:4900011872","490:4900012195","490:4900011937","490:4900011932","490:4900011676"],"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":[0.48159182274550927,0.42766782542688897,0.4000009835065544,0.3619579681837526,0.327074944717212,0.32501755937411797,0.2916654409886375,0.27937934652643515,0.24677620629624433,0.24304896127647257,0.24066646118369286,0.23871263683289953,0.23218902037991962,0.2237354357894096,0.21532101397620187,0.2091585619754707,0.1933981690728494,0.1750652929413973,0.16739906319940914,0.1672088427852012,0.15992950949016796,0.1568042822728075,0.14597156329324681,0.143174481788731,0.14240503169131452],"twin_dists":[0.15699868837267295,0.16927668426867604,0.17581458835229405,0.18515448991928843,0.19416700141766005,0.1947143933502614,0.2038779516789944,0.2074079505283981,0.21726518174846032,0.21844351108067875,0.21920284163217232,0.21982919627197106,0.22194508701474008,0.22474599083569652,0.22760482787262454,0.22974665716871248,0.2354280339650224,0.2424583996528862,0.2455537942633015,0.24563188202270642,0.2486696010800828,0.2500046342181793,0.25478868463777304,0.25606633326440803,0.2564210477855966],"n_dims_used":45,"mean_confidence":0.9026156107584635},"coverage":{"mean_confidence":0.9026156107584635,"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}}