{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011166},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010755","490:4900011165","490:4900011300","490:4900011160","490:4900010512","490:4900010848","490:4900012118","490:4900010847","490:4900011510","490:4900010760","490:4900011578","490:4900011437","490:4900011573","490:4900011239","490:4900010917","490:4900010927","490:4900010673","490:4900010931","490:4900011159","490:4900011018","490:4900011298","490:4900010776","490:4900010765","490:4900011086","490:4900010677"],"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":[0.37551767111929607,0.3360968748669014,0.28694391791019114,0.26204943824626464,0.22400559511677198,0.21944217409130812,0.21572894875934798,0.17422724151824437,0.1727214680709941,0.16120496483381402,0.15724227040164818,0.1566484490878729,0.154346833821241,0.1511728934798383,0.1457104682704222,0.14102003055104642,0.1365103026091443,0.1322253100708087,0.13153416542757346,0.1294982614333811,0.12767037318897356,0.12685140765130576,0.1249904673322951,0.12181153945534921,0.11968398949357924],"twin_dists":[0.18177322961781675,0.19178868060660773,0.20522375839532556,0.21255197625662672,0.2246554037283265,0.22619546559693943,0.2274645163431242,0.24279199807009302,0.24339428309943592,0.24813020613034653,0.24981637260779524,0.25007170900446335,0.25106811337965407,0.2524601765189845,0.25490717570473614,0.25706313784756907,0.25918699655237876,0.26125426852467115,0.2615924074764889,0.26259631024998453,0.26350784851235026,0.26391945976953063,0.26486231195899623,0.2664979027518866,0.2676108124530046],"n_dims_used":45,"mean_confidence":0.889673360188802},"coverage":{"mean_confidence":0.889673360188802,"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}}