{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010603},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011781","490:4900011979","490:4900010417","490:4900011717","490:4900011971","490:4900008334","490:4900011911","490:4900010773","490:4900011983","490:4900011315","490:4900010774","491:4910005516","490:4900009325","490:4900011784","490:4900010166","490:4900011847","490:4900010935","490:4900011648","490:4900012167","490:4900008561","490:4900011712","490:4900010680","490:4900011782","490:4900010682","490:4900011968"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.29230589601369955,0.25705361071387156,0.2141134884472679,0.166020379267243,0.15133741730841632,0.08905716056168332,0.05884930128853501,0.04343290008077637,0.038994369670667016,0.03489166278925301,0.03195781665740411,0.03080978015871012,0.029936004975336387,0.028805636704910795,0.027937008153972747,0.027547557997909384,0.027300424142607402,0.02558661228430642,0.02497891866402635,0.02322726919001455,0.022433861712696356,0.021966788930525998,0.02135527118312082,0.020553277969385202,0.02041369702738848],"twin_dists":[0.20369640090002578,0.21407402174633805,0.2280212172802277,0.2461212158013925,0.2523874929915446,0.2856339411932474,0.309132672781921,0.3252850657831222,0.3308277196051547,0.3364479932387029,0.34082284833516685,0.34262864404777277,0.344042068727146,0.3459240159195449,0.34741379287751467,0.34809470656133645,0.34853110446001695,0.35165473999496555,0.3528058107517406,0.3562648368556703,0.35790655490785983,0.3588967458141662,0.36022119826021537,0.362009138700616,0.362326505677544],"n_dims_used":45,"mean_confidence":0.8888329399956597},"coverage":{"mean_confidence":0.8888329399956597,"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}}