{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003641},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004467","490:4900005018","490:4900004332","490:4900004746","490:4900003372","491:4910001453","490:4900002682","490:4900005418","490:4900006312","490:4900005940","490:4900007037","490:4900004607","490:4900005558","490:4900002531","490:4900003108","490:4900003636","490:4900002691","490:4900003109","490:4900003638","490:4900003642","490:4900003784","490:4900003106","490:4900005164","490:4900005029","490:4900003927"],"twin_admin_codes":[490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.419322641894058,0.2657413344602976,0.21178582570900906,0.20924209788675524,0.023109427082410892,0.020009700016416585,0.019568811287102653,0.01718737706812741,0.010910038475152359,0.007764740505963864,0.006561406517281629,0.005388881165912749,0.004406015795092865,0.0028986562669614715,0.002808947772551304,0.0025021079509884936,0.0022176040293905032,0.002009374915364585,0.0019927171712933347,0.0019913911307552494,0.0019700399770160616,0.0018521204876343939,0.0016713378914158577,0.0016540435507485225,0.0016390111680040377],"twin_dists":[0.1712290209516128,0.2114388459642302,0.22882836289424388,0.22971733898528135,0.3565055691724107,0.36325585881580014,0.36428894237215353,0.3702484542252897,0.3904050398465626,0.4048320158741604,0.4117881644002021,0.41977465510706036,0.4277894668285987,0.4439925323494118,0.44518524158531,0.4495466776863284,0.4540530927488269,0.45770141178165075,0.45800808904513407,0.4580326032944539,0.4584293987283857,0.4606948149010691,0.46443998608560977,0.46481759133986544,0.4651487776182044],"n_dims_used":45,"mean_confidence":0.899928961859809},"coverage":{"mean_confidence":0.899928961859809,"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}}