{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":477,"cluster_id":4770001136},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["477:4770001361","477:4770001076","477:4770001014","477:4770001697","477:4770001302","500:5000001282","477:4770001642","477:4770001009","499:4990002650","477:4770001316","500:5000001788","477:4770001528","500:5000001628","499:4990002653","477:4770001362","477:4770001554","500:5000001065","499:4990002649","477:4770002331","477:4770001066","477:4770001423","500:5000001441","477:4770001536","477:4770001424","477:4770001119"],"twin_admin_codes":[477,477,477,477,477,500,477,477,499,477,500,477,500,499,477,477,500,499,477,477,477,500,477,477,477],"twin_sims":[0.6219954477522189,0.5571039605230304,0.5238819769198436,0.51015490838692,0.44966645444024334,0.40096422176564317,0.3955165848568946,0.38577642930974676,0.3679313629369348,0.35045998988716154,0.33769298832615713,0.33572496798598256,0.3341860540818121,0.3334632277707912,0.32487772104695134,0.3192269818454525,0.31774937577713236,0.31578667132544797,0.29312457044152823,0.27652022595758013,0.273419456714642,0.26413931119951856,0.26042238893493636,0.258769148354449,0.2586566993433293],"twin_dists":[0.1265623386994264,0.14048114677354465,0.14767921158209849,0.15068136944121105,0.1642025678902701,0.17558368600795735,0.17689291917189118,0.17925476751611275,0.18365730037976263,0.1880723146157641,0.19137155451933938,0.19188602807227986,0.19228946531784646,0.19247930788631676,0.19475166862970242,0.19626548018114962,0.19666379771591544,0.19719450206687536,0.2034646733765714,0.2082428209062259,0.2091542382524703,0.2119206721949474,0.2130456587417851,0.21354927751112565,0.213583605803766],"n_dims_used":44,"mean_confidence":0.9204451821067117},"coverage":{"mean_confidence":0.9204451821067117,"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}}