{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000568},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000664","490:4900000902","490:4900000479","490:4900000783","490:4900004597","490:4900001185","490:4900001849","490:4900003617","490:4900001567","490:4900001319","490:4900003076","490:4900004165","490:4900000923","490:4900004031","490:4900003336","490:4900001709","490:4900003081","490:4900001998","490:4900002496","490:4900001073","490:4900003218","490:4900003201","490:4900000684","490:4900004174","490:4900000924"],"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":[0.6625957592047872,0.6540629789044553,0.6524658534618369,0.6512341702326794,0.5914115155049513,0.5373532915340555,0.5170826335903616,0.5128416556242972,0.4991210676457074,0.49696458837530116,0.49591678811717815,0.49158632429840965,0.4831895967788655,0.4753292019712671,0.47181682832262506,0.45049050733128343,0.44900157906977267,0.44694786384242985,0.4412205725638886,0.43862072862899804,0.4373532158518536,0.4346834349548082,0.43438525546058254,0.4326858212793977,0.4288065377338577],"twin_dists":[0.1178341982411598,0.11967518359002438,0.12001927191859164,0.12028452993981914,0.13311256843154615,0.14475028735463374,0.14916384071154193,0.15009222523401053,0.1531094723243844,0.15358573875218404,0.15381736124875053,0.15477614271231652,0.1566424329277594,0.1583987133715164,0.1591865444461703,0.16401438348087116,0.16435449591998694,0.16482431785344556,0.16613890053944672,0.16673782004500046,0.16703031896504777,0.16764751478229512,0.16771654112398843,0.16811031098348536,0.16901151649889193],"n_dims_used":45,"mean_confidence":0.9170028686523437},"coverage":{"mean_confidence":0.9170028686523437,"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}}