{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008610},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009169","490:4900009274","490:4900009168","490:4900009061","490:4900009585","490:4900009891","490:4900008942","490:4900009054","490:4900011477","490:4900008499","490:4900009380","490:4900008493","490:4900012074","490:4900009672","490:4900011605","490:4900009364","490:4900009467","490:4900009154","490:4900009567","490:4900009265","490:4900010784","490:4900007716","490:4900008500","490:4900012004","490:4900011872"],"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":[0.6412872929120793,0.6373451666485248,0.5132755307331013,0.4457552664969183,0.39531424005755195,0.3758175212829774,0.36822556207452795,0.361109987681633,0.3343101845141818,0.321894006755572,0.31676197352826213,0.2927509098600025,0.2885659418677007,0.2821395425580859,0.275949247120094,0.27523525123429254,0.2694981300611894,0.2664738080684628,0.263895632573295,0.25305086632057966,0.25222482039789873,0.2507606821684899,0.24969683380676666,0.24518709487902707,0.24429265928604516],"twin_dists":[0.12242387305006452,0.12327051275511505,0.14999715931507276,0.16509751971871076,0.17694170748694696,0.18169914861499556,0.18358387819087518,0.1853680401342454,0.19225688627705784,0.19554914443451424,0.19693055353047267,0.20357039111931877,0.20475994131328024,0.20660687984115866,0.20841017835698206,0.20861975332763025,0.2103159896538399,0.2112191492187818,0.21199412086157696,0.21530704829119973,0.2155630468431827,0.2160181114370994,0.21634982816111012,0.21776615010885442,0.21804904176735038],"n_dims_used":45,"mean_confidence":0.9200498792860243},"coverage":{"mean_confidence":0.9200498792860243,"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}}