{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900007616},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004971","490:4900005759","490:4900007124","490:4900006878","490:4900007243","490:4900007744","490:4900006514","490:4900007613","490:4900004959","490:4900007621","490:4900007606","490:4900007624","490:4900003700","490:4900007370","490:4900006756","490:4900007737","490:4900006636","490:4900004818","490:4900007730","490:4900004128","490:4900004830","490:4900004817","490:4900004957","490:4900007502","490:4900001832"],"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":[0.7748672979770306,0.7552890222129983,0.7087148717676544,0.6618568286292217,0.6274684359017965,0.624391292366869,0.6243422013314998,0.6197661883297821,0.619650774934385,0.5956305562871202,0.5773736085908702,0.5610292177974007,0.5554161589427085,0.5485213985476497,0.5378389359209282,0.528420111332662,0.5106040460086514,0.5024264663133292,0.5022314559246677,0.49431901362666086,0.4623246750554054,0.44922569927433753,0.44908473698219714,0.44765502679772523,0.4408681016916528],"twin_dists":[0.09276048168267198,0.09730274112734855,0.10777266187896868,0.11799381539283216,0.1253893495655257,0.12604893224703523,0.12605945314537176,0.12703995302987373,0.12706467789248466,0.13220874209881306,0.13612255484685487,0.13963558564702924,0.14084498762006364,0.14233307486451277,0.1446449824638327,0.14669076367247325,0.1505828285638515,0.15238057816233214,0.152423544307075,0.15417082986064704,0.1613256398857038,0.16430327368088032,0.16433548922032176,0.16466245059908383,0.16622001744178147],"n_dims_used":45,"mean_confidence":0.9208136664496528},"coverage":{"mean_confidence":0.9208136664496528,"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}}