{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002256},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003405","490:4900001946","490:4900003672","490:4900003141","490:4900003537","490:4900009868","490:4900005076","490:4900002555","494:4940007760","490:4900004524","490:4900002849","490:4900009915","490:4900003272","490:4900010104","490:4900008043","490:4900010169","490:4900008732","490:4900011532","490:4900006148","490:4900009814","494:4940008970","490:4900008848","494:4940008173","490:4900008835","494:4940007545"],"twin_admin_codes":[490,490,490,490,490,490,490,490,494,490,490,490,490,490,490,490,490,490,490,490,494,490,494,490,494],"twin_sims":[0.3549680947158019,0.17641800842449848,0.06779776087883806,0.06201295531126969,0.051884196618228406,0.04470058453281177,0.04353558415279135,0.042357582493720236,0.026944342673257255,0.02676054916221653,0.02647174135463647,0.025487612323095318,0.025320258363716163,0.020700724890501128,0.019229296074761253,0.015942326453766944,0.014717396645632904,0.012585040804229125,0.011594465122992217,0.009650725824551738,0.009095310145881622,0.00712344786288203,0.0071166325821463905,0.007049257717636663,0.0068117629234657395],"twin_dists":[0.18692249530197289,0.24192232565963193,0.30131027218244916,0.3062622140862124,0.3159310575483021,0.323789818388123,0.32516259381083157,0.3265824503485568,0.34916590689771443,0.34949639695279067,0.35001969367207053,0.3518406403503504,0.35215631773431194,0.36167591986633807,0.3650984281595937,0.3736585226351154,0.37725017880156814,0.38418473287429555,0.38776735265850887,0.395668637579439,0.3981874840897602,0.4084078079381894,0.4084473385899143,0.4088399746936368,0.4102514610589957],"n_dims_used":45,"mean_confidence":0.9149419996473525},"coverage":{"mean_confidence":0.9149419996473525,"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}}