{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000234},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000236","490:4900000182","490:4900000091","490:4900000418","490:4900000506","490:4900000436","490:4900000505","490:4900000249","490:4900000155","490:4900000031","490:4900000575","490:4900000337","490:4900000620","490:4900000156","490:4900000165","490:4900000933","490:4900000073","490:4900000296","490:4900004321","490:4900000342","490:4900000227","490:4900000825","490:4900000491","490:4900000281","490:4900000110"],"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":[0.8244384687736179,0.7107451460397757,0.6807337672528337,0.6750136753094843,0.6637760114957032,0.616235911631417,0.5883319535659308,0.5830663857816588,0.5626158635192552,0.541805047203561,0.48458197668090974,0.46681816302011375,0.4621273170222519,0.4534426314204569,0.4473049731615417,0.44486249585991,0.4251981479450739,0.4203862553909878,0.4045022769828011,0.4034013986832311,0.39245112844845154,0.3886510555958186,0.38779697748287234,0.38431416489688713,0.3837344141341987],"twin_dists":[0.0807006180439413,0.10732401378358632,0.11390281205032143,0.11514562891035027,0.11757917118557579,0.12779615436438924,0.13377248006927075,0.13490130325651775,0.13929402788668283,0.14378566714099167,0.15633227447195744,0.16031115298049184,0.1613702758238666,0.1633412709413838,0.16474256460845213,0.1653022191703386,0.1698527908200069,0.1709792899562868,0.17473770435268635,0.17500057646111503,0.17763328821561727,0.17855483152541865,0.1787625326918272,0.17961176022359931,0.1797534780033199],"n_dims_used":45,"mean_confidence":0.9172198825412327},"coverage":{"mean_confidence":0.9172198825412327,"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}}