{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000945},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["496:4960007909","496:4960008858","496:4960008149","490:4900001053","496:4960008577","496:4960008477","490:4900000585","496:4960008271","496:4960008376","496:4960008386","487:4870004563","494:4940007403","487:4870005128","496:4960008592","487:4870002995","490:4900000016","487:4870007177","487:4870003407","490:4900000555","490:4900000484","490:4900000426","490:4900000270","494:4940007919","490:4900000332","490:4900000481"],"twin_admin_codes":[496,496,496,490,496,496,490,496,496,496,487,494,487,496,487,490,487,487,490,490,490,490,494,490,490],"twin_sims":[0.4312320003200938,0.41928326108170844,0.41446657994480063,0.3634961780671173,0.3381812569251843,0.3376515978103323,0.3299962473932213,0.3293763478176911,0.32558668303326777,0.30972926066210515,0.30582152441777727,0.29382753668489425,0.29119069137973813,0.2905119021482885,0.2865582311681155,0.28222560948534203,0.2783603937387239,0.267057530355256,0.2658168805190071,0.26065238298482285,0.259709302456813,0.25941768217194133,0.25692025890437153,0.2560478758445714,0.2544829029499265],"twin_dists":[0.16844766563143782,0.17123827251945373,0.17237265023766202,0.18476776379885737,0.1912441637825411,0.1913823579940946,0.1933930107685199,0.19355693511735705,0.19456277959456117,0.19884430532814043,0.19991844384490215,0.20326600315933538,0.20401268260406089,0.20420554583182352,0.2053342763537988,0.2065819777858045,0.20770488763576544,0.2110443374493663,0.2114161694039915,0.21297575622139545,0.2132626354212851,0.21335147707557245,0.21411490355826257,0.2143826825847811,0.21486450441856844],"n_dims_used":45,"mean_confidence":0.912402852376302},"coverage":{"mean_confidence":0.912402852376302,"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}}