{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002616},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003205","490:4900005536","496:4960001058","496:4960007273","466:4660005570","467:4670002738","490:4900003750","490:4900004301","499:4990003533","478:4780004138","490:4900004712","478:4780009006","490:4900000171","466:4660002839","490:4900005911","467:4670002240","478:4780003751","466:4660014055","467:4670001126","490:4900004838","472:4720007623","466:4660005567","490:4900001700","490:4900002786","490:4900002469"],"twin_admin_codes":[490,490,496,496,466,467,490,490,499,478,490,478,490,466,490,467,478,466,467,490,472,466,490,490,490],"twin_sims":[0.29560439812905664,0.20515067962541797,0.20295604049428562,0.15644456333694676,0.14536913577900454,0.14450105854245154,0.12694515613964782,0.11093248608387385,0.10121505702098046,0.09932697722330686,0.0983526025333489,0.09833292443923083,0.0972570358298113,0.09443712140661888,0.09330888923335103,0.0927587592746459,0.09053048038192037,0.09043857305806949,0.08870413564042784,0.08428588479862043,0.08334969729009574,0.07810417258784695,0.07784951432818736,0.07685725007981672,0.0762838787188413],"twin_dists":[0.20276508172253382,0.23116276390785892,0.23194622607714382,0.25015954053002465,0.2550623177600407,0.25545809487337046,0.2638722400195674,0.27235478893675724,0.2779743520591397,0.2791146304019054,0.2797097442348345,0.2797218104580645,0.28038442720167595,0.2821489115086133,0.2828665081111571,0.2832188963609267,0.2846633491991905,0.2847235283524449,0.28586839560021776,0.28886730459751236,0.28951876947438177,0.29328131214887054,0.29346907808327943,0.29420544592729836,0.29463444528503313],"n_dims_used":45,"mean_confidence":0.9171073913574219},"coverage":{"mean_confidence":0.9171073913574219,"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}}