{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890001432},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890001364","489:4890001107","489:4890001232","489:4890001236","489:4890001174","489:4890001295","489:4890001230","489:4890001173","489:4890001044","489:4890001298","489:4890000991","489:4890001165","489:4890001102","489:4890001113","489:4890000933","489:4890001103","489:4890000980","489:4890001237","489:4890000920","489:4890001039","489:4890001229","489:4890001423","489:4890000869","489:4890000922","489:4890001099"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489],"twin_sims":[0.8787615959239948,0.7563328559402237,0.6505395541744344,0.648916223097314,0.6173272111974899,0.6162776278189346,0.605880078662132,0.5700105753954049,0.5440353342171765,0.5403470191142595,0.5236692995150861,0.4740599581735168,0.46984099015400194,0.4515874467208091,0.4403607600895606,0.4351992296906455,0.4323808233466046,0.43057954672037224,0.42595579316076027,0.42029694749167956,0.41997199724838996,0.41685693875295393,0.4154793801652598,0.4125727854915135,0.41076831023894417],"twin_dists":[0.06602981403611048,0.0970630366709083,0.12043408715263126,0.12078350455510412,0.12756241063306895,0.12778721949934527,0.1300137942129892,0.13770375327353607,0.1433029562712412,0.14410143166895714,0.14772558148789822,0.158683183897187,0.15963058734038005,0.1637640804869068,0.1663368203383971,0.16752815679808777,0.16818104679233326,0.1685992152253623,0.16967590660373194,0.17100024869131109,0.17107652377150018,0.17180899414677778,0.17213365750609005,0.1728202123283419,0.17324749810509582],"n_dims_used":45,"mean_confidence":0.9147689819335938},"coverage":{"mean_confidence":0.9147689819335938,"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}}