{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002819},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002970","490:4900002222","490:4900003505","490:4900005432","490:4900002670","490:4900004205","490:4900002821","490:4900002674","490:4900002221","490:4900003378","490:4900003779","490:4900004346","491:4910002159","490:4900006198","490:4900002818","491:4910001340","490:4900006446","490:4900003776","490:4900007288","490:4900006203","490:4900002820","490:4900003105","490:4900002673","490:4900003376","490:4900007047"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,491,490,490,490,490,490,490,490,490,490],"twin_sims":[0.5212410166222524,0.4281526711841105,0.37826363630420634,0.3696924966924855,0.32489235872902517,0.3033906376276921,0.29492180112174116,0.28957632916323534,0.28691197931436846,0.27340629271433237,0.2667495287409789,0.2539435468517826,0.23217948236203773,0.2284439828666794,0.22068993819829136,0.2185658551563376,0.20548372231419249,0.19661815286560896,0.17456046445074513,0.17315750203658029,0.17290829790356774,0.17163445606022107,0.16738817548732546,0.16664205375028676,0.1557084775417288],"twin_dists":[0.14825532425282276,0.1691637446259974,0.18109588565834292,0.18321821683363332,0.1947477663944099,0.20059063654282705,0.20295730417588848,0.20447180900576747,0.20523290696797092,0.20915812106045806,0.21113654741200283,0.21503099604834036,0.22194820895418726,0.22317745041047352,0.22577226053313476,0.22649365234059204,0.23104437372142697,0.23424200417155489,0.2426592170696052,0.24321949185333375,0.24331935075835298,0.24383140818430615,0.24555826207458303,0.24586493587356834,0.2504773351348576],"n_dims_used":45,"mean_confidence":0.8993759155273438},"coverage":{"mean_confidence":0.8993759155273438,"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}}