{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000680},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001041","490:4900000926","490:4900001031","494:4940007823","490:4900001046","494:4940008020","490:4900000687","490:4900000672","490:4900000785","494:4940007809","490:4900000489","494:4940008024","490:4900000589","490:4900000228","490:4900003740","490:4900000775","490:4900000798","496:4960007904","490:4900001179","490:4900003350","490:4900000580","490:4900001180","490:4900000606","490:4900003224","490:4900002766"],"twin_admin_codes":[490,490,490,494,490,494,490,490,490,494,490,494,490,490,490,490,490,496,490,490,490,490,490,490,490],"twin_sims":[0.7074444020074654,0.654512604508521,0.5258091968008208,0.48605068926465855,0.4551827987631072,0.4428684000861077,0.4397340687456384,0.43775280951392304,0.43435235021208796,0.423863322607902,0.42150709248178525,0.42023645263555487,0.41856156484565266,0.4003900375920118,0.39664576622958203,0.3888029301287188,0.3885556170663356,0.38447067067554985,0.3661817324723629,0.36342995235127773,0.35400054130401604,0.35280245313902836,0.3519168469710968,0.3464311504106856,0.32797716278437333],"twin_dists":[0.10805311270503926,0.11957828852169909,0.14725921424653113,0.15600541163993664,0.16294525268768678,0.16576000617715658,0.16648117312964344,0.16693807026199062,0.1677241596065971,0.1701647458788486,0.17071641219952896,0.17101444666575477,0.1714078830356056,0.17572129604673448,0.1766208676690356,0.17851792006405037,0.17857803030242667,0.17957352050146289,0.18409455760156374,0.18478439671201358,0.18716863319002774,0.18747390128331448,0.18769989682889796,0.1891064569115275,0.1939275562498287],"n_dims_used":45,"mean_confidence":0.915812513563368},"coverage":{"mean_confidence":0.915812513563368,"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}}