{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001973},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001976","490:4900001680","490:4900004402","490:4900001681","490:4900002444","490:4900002741","490:4900001824","490:4900001832","490:4900001975","490:4900003987","490:4900003036","490:4900002138","490:4900003700","490:4900001676","490:4900001548","490:4900003444","490:4900002143","490:4900001812","490:4900004282","490:4900004689","490:4900003310","490:4900002586","490:4900004128","490:4900003994","490:4900005237"],"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":[0.834554729748454,0.7790401635635332,0.7300784063517328,0.6833660327493523,0.6633861883226435,0.6371200039461692,0.621158314416392,0.5492401689010505,0.5386633469043017,0.5070965995211066,0.49775828100876635,0.47581028029568606,0.4684629787091218,0.46139219698768297,0.45004166369028503,0.450024915920793,0.43776194596876145,0.43449706078886385,0.41478220904900515,0.41474994144950955,0.4078386430360847,0.40514346793176725,0.4043932330293846,0.3925059113965605,0.3864621446617144],"twin_dists":[0.07810996626210269,0.09177866714572254,0.10301975475401737,0.11332985640885847,0.11766341449130302,0.12331885221871587,0.12674170275622926,0.14217780363116703,0.14446626310499902,0.15135296170235696,0.15341038093281384,0.1582909563935121,0.1599406500819549,0.16153659513267749,0.16411686745771895,0.16412069219621597,0.16693596144309622,0.1676906567986241,0.1722981435224504,0.17230575941708445,0.17394297802324685,0.17458474585053524,0.17476372798355647,0.1776200335417019,0.1790875806935695],"n_dims_used":45,"mean_confidence":0.9206949869791666},"coverage":{"mean_confidence":0.9206949869791666,"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}}