{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990002908},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990002907","499:4990003045","499:4990002755","499:4990003039","499:4990002417","499:4990002904","499:4990001891","499:4990002897","499:4990002912","499:4990002253","499:4990003250","499:4990002838","499:4990002268","499:4990001714","499:4990001901","499:4990001896","499:4990002836","499:4990002973","499:4990002898","499:4990003376","499:4990003105","499:4990002895","499:4990002597","499:4990002760","499:4990003042"],"twin_admin_codes":[499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499],"twin_sims":[0.8777765555029148,0.8768086799458213,0.8610850794376256,0.858532602933041,0.8482994758778108,0.8480551436624886,0.8470834760728176,0.8442454980185827,0.8414858240297022,0.8363642355855742,0.8324610680586579,0.826279029084874,0.8248752435092935,0.8219335236378846,0.8201346350573194,0.8197566070678871,0.8195829537205406,0.8121890319683366,0.8012143395558888,0.7886922023664853,0.7777000259292646,0.7760799912743414,0.7708029620372013,0.756237167870806,0.7527255093710296],"twin_dists":[0.06631570140290806,0.06659572231718591,0.07103124467213649,0.07173273101427598,0.07449896517057297,0.07456415825911984,0.07482304322950618,0.07557578252743084,0.07630302680325184,0.07764084822990552,0.07865051903986892,0.08023316505489282,0.08058984011077391,0.08133415222278896,0.08178726879502886,0.08188229615702274,0.0819259262589321,0.08377099097935219,0.08646691415710761,0.08948703626995301,0.09209454747926842,0.09247568434330308,0.09371188998483664,0.09708502118832521,0.09789033015207517],"n_dims_used":44,"mean_confidence":0.9258367365056818},"coverage":{"mean_confidence":0.9258367365056818,"n_dims_used":44,"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}}