{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003662},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002994","490:4900003803","490:4900003660","490:4900002698","490:4900002991","490:4900002697","490:4900003398","490:4900002990","490:4900003792","490:4900004357","490:4900003127","490:4900003266","490:4900003257","490:4900003129","490:4900003949","490:4900002550","490:4900001246","490:4900003810","490:4900003654","490:4900003395","490:4900003529","490:4900003262","490:4900004217","490:4900003794","490:4900003261"],"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":[0.5550803957548726,0.5519700817911098,0.4703785301533805,0.4155893482875576,0.3920272526833783,0.33159930959567074,0.3293112472235904,0.32462951905508425,0.30680609324430863,0.29507324800559726,0.2533260137726815,0.24840672219633383,0.23370826310639933,0.23030119624834175,0.2231775602231519,0.21605630628497088,0.1647613621065081,0.16398085733884277,0.15906207471753347,0.15404707673749374,0.15005886483510766,0.14959771289129203,0.14784015922368998,0.1439004728261486,0.13749295253697238],"twin_dists":[0.14091738795255276,0.1415883814497586,0.1595097203816723,0.17210772320911008,0.17773587362475057,0.19296988359496708,0.19357415995338587,0.1948178512565239,0.19964706901091728,0.202914633389873,0.2152218958703827,0.2167533109042453,0.2214488873989745,0.2225646533283424,0.2249332829080361,0.22735204910913653,0.2466423640704899,0.24696688692436877,0.24903823210207457,0.25119868145838853,0.25295387064084984,0.253159025048262,0.2539452156098396,0.25573294915835293,0.2587197984816336],"n_dims_used":45,"mean_confidence":0.9189172532823351},"coverage":{"mean_confidence":0.9189172532823351,"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}}