{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012177},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011250","490:4900011710","490:4900011302","490:4900011081","490:4900012165","490:4900011456","490:4900011522","490:4900011524","490:4900008118","490:4900010842","490:4900011828","490:4900010035","490:4900010841","490:4900011637","490:4900008791","490:4900011100","490:4900011631","490:4900011295","490:4900009928","490:4900012178","490:4900010830","490:4900011641","490:4900008225","490:4900012093","490:4900010303"],"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":[0.5741243979393884,0.3908335033994429,0.3456103857051282,0.3184416566987342,0.2694710197363347,0.2513845922661683,0.24883545833555334,0.24445066040276153,0.2352713488537268,0.19991205673155302,0.19806121190464807,0.19702267796062853,0.19171881223640924,0.1773775462575866,0.1742811017865369,0.1626236627685598,0.15569018345195024,0.144273657764532,0.14210065783006842,0.13995695575449935,0.1364461297454394,0.12660127467992047,0.12612112093817635,0.12441963153046919,0.12432209176155733],"twin_dists":[0.13682006760244605,0.17802506035759663,0.18931791061926068,0.19647705034136792,0.21032405769083098,0.21582398907736092,0.21661907500183736,0.21799902073395241,0.22094057188906552,0.23304258536349776,0.23371484290635583,0.23409395851937692,0.23605205237094926,0.24154383741487703,0.24277052382717854,0.24753386093677465,0.2504852473203508,0.2555620635512411,0.2565617566440607,0.2575591750112003,0.25921759482707507,0.2640455776638488,0.2642882031476352,0.2651536630516661,0.2652035483198069],"n_dims_used":45,"mean_confidence":0.891261969672309},"coverage":{"mean_confidence":0.891261969672309,"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}}