{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000983},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000984","490:4900000449","490:4900000444","490:4900000530","490:4900000528","490:4900000441","490:4900000981","490:4900000531","490:4900000533","494:4940008144","490:4900000536","490:4900000539","490:4900000367","494:4940008453","494:4940007935","490:4900000858","490:4900000534","490:4900000634","490:4900000257","490:4900000739","490:4900000635","490:4900012373","494:4940007325","494:4940006780","490:4900000987"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,494,490,490,490,494,494,490,490,490,490,490,490,490,494,494,490],"twin_sims":[0.6005434626404955,0.3607876865809867,0.33968158514812885,0.30259771983104844,0.2896689830104626,0.28373027269987416,0.2767577437711505,0.251896036545092,0.22009216030962273,0.2099713314859373,0.20591972151029675,0.2024908713628858,0.19695830956811075,0.1680625501851039,0.1675813942691879,0.16223380631272918,0.1591550736362301,0.15900626282296204,0.15056642392779665,0.14951503713093273,0.1053692202927261,0.09886077019727692,0.09818884709494465,0.09667045431375235,0.08946435087196611],"twin_dists":[0.13115654837088359,0.18544927338915237,0.19085334210848723,0.20081057093228308,0.20444541695057974,0.20614736741645134,0.20817326515888615,0.2156650882579784,0.22597480878751178,0.22946174094960933,0.23088958271506693,0.2321130319446568,0.2341175015868419,0.24528192402483026,0.24547900514166496,0.2476973586756701,0.24899864073319156,0.24906200035552448,0.25272860689965715,0.2531958545604976,0.27552282258140715,0.27939879951830127,0.27981021362795233,0.28074811819554957,0.2853644277399656],"n_dims_used":45,"mean_confidence":0.9117660522460938},"coverage":{"mean_confidence":0.9117660522460938,"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}}