{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990003136},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990003071","499:4990003273","499:4990003337","499:4990003202","499:4990003329","499:4990003256","499:4990003208","499:4990003003","499:4990003324","499:4990003141","499:4990003257","499:4990003264","499:4990003194","499:4990003070","499:4990003322","499:4990003205","499:4990003274","499:4990003127","499:4990002709","499:4990003188","499:4990003075","499:4990003275","499:4990003140","499:4990002383","500:5000005024"],"twin_admin_codes":[499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,500],"twin_sims":[0.9263062362895567,0.9215303088173818,0.8501410717970075,0.8257276712007506,0.7716327000988088,0.7570878651536243,0.7491465982794542,0.7472048809192815,0.7293416944373284,0.7049936650378722,0.6977406234368443,0.6953983322024612,0.6940724589455998,0.6863847986873263,0.6468294879718745,0.6115116944482566,0.6020921414520033,0.5967843424646603,0.570837209262025,0.5700294593868591,0.549058728260439,0.5487963154595216,0.5364417832544565,0.535976576763219,0.5324045664985494],"twin_dists":[0.050817412558289095,0.05250516058260241,0.07400634764618251,0.08037337094831855,0.09351803971680964,0.09688949457298719,0.09870812873633278,0.0991506203707285,0.10318492300782887,0.10859347315965671,0.11018805078638198,0.11070159659343495,0.11099200370565532,0.11267191926735504,0.1212324686132831,0.12880789009694482,0.13082491008052727,0.13196161425776462,0.13752613090257496,0.13769969527391612,0.1422169958688331,0.142273682371891,0.14494798481626983,0.14504890914973287,0.14582442713403754],"n_dims_used":45,"mean_confidence":0.9347788492838541},"coverage":{"mean_confidence":0.9347788492838541,"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}}