{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002760},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001993","490:4900003868","490:4900001846","490:4900003622","490:4900002611","490:4900003333","490:4900004442","490:4900004148","490:4900004007","490:4900003621","490:4900003061","490:4900003215","490:4900002490","490:4900004578","490:4900003727","490:4900003589","490:4900004434","490:4900001697","490:4900002189","490:4900003217","490:4900000692","490:4900001424","490:4900001024","490:4900002914","490:4900003049"],"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":[0.6492710502994056,0.6400908485925974,0.6321433578422387,0.6026932963551415,0.5625826565454543,0.5548990479366279,0.5529243083441481,0.5503291002097634,0.548370472468077,0.5436814145641726,0.5296114995826781,0.5285302929226982,0.5265378589514428,0.5151200150891591,0.5139281951699053,0.5060510188431911,0.5014721339866907,0.49423528415997914,0.49278183506802326,0.47941990511085864,0.4656935351022356,0.465612854717035,0.4624052197061007,0.4592902268271649,0.45858638290718007],"twin_dists":[0.1207071408588278,0.12268089560112051,0.1243868220104566,0.13069618069840774,0.13930117505807516,0.14095649456964873,0.14138246225525625,0.1419426329141089,0.14236568274626707,0.1433795327506897,0.1464315764323616,0.14666678832895297,0.14710050706070965,0.14959323960387125,0.1498541925488966,0.15158281042731622,0.15259088742174362,0.1541893620689781,0.15451120628452292,0.1574835601999025,0.16056473904092022,0.16058293932967194,0.1613074252447356,0.1620126803543774,0.16217227083344027],"n_dims_used":45,"mean_confidence":0.9154329087999132},"coverage":{"mean_confidence":0.9154329087999132,"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}}