{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010596},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011909","490:4900011521","490:4900010503","490:4900011908","490:4900008234","490:4900012048","490:4900008568","490:4900010340","490:4900009741","490:4900012116","490:4900009954","490:4900009530","490:4900008817","490:4900011845","490:4900008456","490:4900011013","490:4900009324","490:4900009335","490:4900008349","490:4900011970","490:4900008792","490:4900008238","490:4900009537","490:4900009118","490:4900011840"],"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":[0.2060078558196697,0.1678899107762305,0.06381404560774635,0.05686369779672344,0.05551650646080709,0.051084205836323476,0.0370547073863671,0.03188887674807547,0.02699717857265476,0.02466969094804579,0.02429012993534763,0.01728062261160498,0.01426521961352104,0.013629483999293259,0.012308299697859924,0.012086384299809308,0.011225164186431427,0.01025376399076473,0.009912417497505542,0.009764407465381448,0.008599901412011708,0.008391977409045126,0.008149498925684439,0.007844201330911087,0.007640745415425832],"twin_dists":[0.2308583199852914,0.24535259022502776,0.30468133773440925,0.31099980990367243,0.31229750509871773,0.31675958331619003,0.3334189419287789,0.3409297078935376,0.34907125904291897,0.3534008598560857,0.35414013576242354,0.3700018831475767,0.37864286569362016,0.38066829876722424,0.38515971184155506,0.3859556742107108,0.3891728493643871,0.39307626273550383,0.3945264155025578,0.3951690918814351,0.40055298653440263,0.4015822936348888,0.4028119076412986,0.4044075782069597,0.40550218124602616],"n_dims_used":45,"mean_confidence":0.8903383043077256},"coverage":{"mean_confidence":0.8903383043077256,"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}}