{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003173},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004415","490:4900004140","490:4900004129","494:4940007791","490:4900000896","490:4900004268","490:4900003297","490:4900002279","490:4900003307","490:4900001020","494:4940008408","490:4900004280","490:4900003989","490:4900003303","490:4900003842","490:4900001687","490:4900001825","490:4900007729","490:4900001828","494:4940008740","490:4900001820","490:4900001270","494:4940008492","490:4900001682","494:4940006941"],"twin_admin_codes":[490,490,490,494,490,490,490,490,490,490,494,490,490,490,490,490,490,490,490,494,490,490,494,490,494],"twin_sims":[0.6145010705006579,0.5302625673381767,0.43536482284883077,0.404587111756637,0.4045360479367131,0.39795589242700513,0.3976017370973659,0.3904722977394099,0.38277183873472825,0.38069792513321193,0.37975256972679133,0.37877735296229376,0.37334805551734224,0.373130062253464,0.3675669684801178,0.36273058375483985,0.3609384379270482,0.3550893962395785,0.3544142183577234,0.34785235999455716,0.33277713104973367,0.33011466575732545,0.3265465249506599,0.32575657476333364,0.32496785371687287],"twin_dists":[0.12816770993117332,0.14628998892354536,0.1674898495285206,0.17471746047882578,0.17472964546115574,0.17630566678333248,0.17639082542169482,0.17811264405143995,0.17998900204411997,0.18049741740241593,0.18072961185154973,0.18096943384066688,0.18231012160116733,0.18236415080443028,0.18374828165898713,0.18496014031920197,0.18541127319385273,0.18689166166989002,0.18706335445518618,0.18874093523426821,0.19265971128845838,0.19336171582278935,0.19430741143887353,0.19451754916251604,0.19472764186119979],"n_dims_used":45,"mean_confidence":0.9191925048828125},"coverage":{"mean_confidence":0.9191925048828125,"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}}