{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002900},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003866","490:4900003728","490:4900004292","490:4900004307","490:4900003865","490:4900002601","490:4900003593","487:4870011453","487:4870011463","490:4900001996","490:4900004591","490:4900003063","490:4900004162","490:4900002639","490:4900002455","490:4900004008","490:4900004304","490:4900003472","490:4900003456","490:4900002301","487:4870001025","490:4900004446","490:4900001034","490:4900004306","487:4870011478"],"twin_admin_codes":[490,490,490,490,490,490,490,487,487,490,490,490,490,490,490,490,490,490,490,490,487,490,490,490,487],"twin_sims":[0.5263241614746232,0.5119441089422305,0.4978842535060084,0.49336417208422545,0.47321633229136467,0.39751364808169676,0.3784805328012748,0.3716579829695032,0.36778820987486677,0.36368974671804183,0.3619222762054172,0.3558095499799482,0.34189302773845914,0.325371317006787,0.32025895237902613,0.32007980390264984,0.31778534371869527,0.3154873329849763,0.3112464488788171,0.3094634120046489,0.29315749197052376,0.29035558197840444,0.28561889451215716,0.2749809717884842,0.2677740262397721],"twin_dists":[0.14714704667323444,0.15028895000317322,0.15338255596785486,0.15438222335410365,0.15887240138431064,0.17641201231189071,0.18104248623027772,0.18272941119435324,0.18369303717287203,0.18471915686983162,0.18516347323786192,0.18670871779492984,0.19027896687464027,0.19462013550254806,0.19598790690035975,0.19603605713522804,0.19665408948071889,0.19727560527973573,0.19842936694381655,0.19891713254215077,0.20345536289810928,0.20424999880878256,0.2056038158745659,0.2086944708378241,0.21083008715771667],"n_dims_used":45,"mean_confidence":0.9182568020290799},"coverage":{"mean_confidence":0.9182568020290799,"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}}