{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004776},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004777","490:4900004915","490:4900004919","490:4900004636","490:4900004779","490:4900005706","490:4900004221","490:4900005056","490:4900004916","490:4900005707","490:4900004352","490:4900004359","490:4900004914","490:4900005571","490:4900005705","490:4900005580","490:4900004637","490:4900005061","490:4900004918","490:4900004778","490:4900005442","490:4900007552","490:4900005966","490:4900001499","490:4900004917"],"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":[0.21368437303054957,0.11464388545212474,0.10017203785249099,0.07925919627281595,0.057228275033855795,0.057067678316997,0.05457676896884928,0.04018669885055565,0.039774508254592354,0.03943637119024795,0.03805671899235235,0.03533036996990262,0.03229084848301348,0.028816454041961655,0.028338616436367495,0.027422092555966962,0.02741363310005928,0.027317167186865113,0.027123269639813246,0.02682611516397016,0.024260792242819303,0.02288279969748541,0.021034689306492202,0.01942946107827755,0.019404056958152727],"twin_dists":[0.22816957044884179,0.27030900335530994,0.2786021896598712,0.2924358098192609,0.31065299662064616,0.31080554289925794,0.3132182212458995,0.3292885201187299,0.3298162064466029,0.3302525505260534,0.332066365797307,0.33582098736838845,0.34030939407262406,0.34590570796517767,0.3467201209331294,0.3483158348200391,0.3483307756249434,0.34850143179674625,0.34884602841421997,0.34937827501143903,0.3541976924471052,0.35697154040391016,0.36092876324669154,0.3646196914890602,0.3646802115018494],"n_dims_used":44,"mean_confidence":0.9186682267622515},"coverage":{"mean_confidence":0.9186682267622515,"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}}