{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001246},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003810","490:4900002990","490:4900003398","490:4900003257","490:4900004357","490:4900003949","490:4900003648","490:4900002697","490:4900003134","490:4900003535","490:4900004217","490:4900002986","490:4900002698","490:4900004369","490:4900004372","490:4900003127","490:4900003391","490:4900003255","490:4900002995","490:4900003803","490:4900003654","490:4900003522","490:4900004354","490:4900004355","490:4900003662"],"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":[0.7065677694344147,0.5593775494658406,0.5347758305141908,0.4624636137767402,0.4226027298343841,0.348969777523428,0.3423355363441081,0.285751521799706,0.27422862677080206,0.25949784939020504,0.2431451197767049,0.24233760055340822,0.23988812705518558,0.21888477895401512,0.21078369798928978,0.20584808189875817,0.1942401276149584,0.19343403034978923,0.18678035429460693,0.18630727982672834,0.18482329527010713,0.18320575270027636,0.18234820320448464,0.165968668702907,0.1647613621065081],"twin_dists":[0.10824649489032716,0.13999127938792286,0.14530948589644524,0.16129422050907363,0.17045972917361812,0.18845409793094975,0.19016427348378181,0.20556572667097903,0.20891578832291316,0.21332704799924793,0.21841296560279,0.21866972335841717,0.2194519615889416,0.22638503885522138,0.22917771403098733,0.23091500123653333,0.23511659598351378,0.23541474978051954,0.23790949604120384,0.2380892261281131,0.23865510972197532,0.2392755774305983,0.23960608999701363,0.24614256420108974,0.2466423640704899],"n_dims_used":45,"mean_confidence":0.912786865234375},"coverage":{"mean_confidence":0.912786865234375,"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}}