{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002824},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001921","490:4900003668","490:4900004351","490:4900003117","490:4900003948","490:4900001363","490:4900002231","490:4900002676","490:4900002078","490:4900002528","490:4900002382","490:4900003944","490:4900003402","490:4900001361","490:4900001371","490:4900003138","490:4900001772","490:4900002997","490:4900002683","490:4900001775","490:4900001105","490:4900001362","490:4900003931","490:4900003532","490:4900001769"],"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":[0.5052088428869989,0.49647944612781336,0.4704131516677444,0.3114349942148484,0.3089126811841772,0.30098864559344535,0.2079718614548287,0.18928167865534246,0.18638232719674136,0.18226127453724797,0.15048148457631888,0.14453402963370912,0.1397640832181193,0.13850876735609752,0.12897666587274628,0.12328492501734581,0.11919213093050761,0.10343973767770588,0.10137561975109459,0.10114276727455626,0.09331972966110236,0.0888029880234981,0.08427897884914859,0.079890476568749,0.07929924031809904],"twin_dists":[0.15176803672254374,0.1536929649596847,0.15950193726176293,0.1983778822694885,0.19906811535578914,0.20125791876182123,0.23016401122422714,0.23696446460489615,0.23806069281711603,0.23963965483025917,0.2527662655080115,0.25544303041299704,0.2576494712932617,0.2582394503666359,0.2628554242672848,0.2657358415129933,0.2678702493140428,0.276651929954548,0.27787815240812724,0.27801770272939375,0.2828595807209035,0.285802670255357,0.2888720890477885,0.2919778724657151,0.29240667466188547],"n_dims_used":45,"mean_confidence":0.9140573289659288},"coverage":{"mean_confidence":0.9140573289659288,"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}}