{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005024},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900005027","490:4900005945","490:4900005428","490:4900004346","490:4900005159","490:4900005432","491:4910001340","490:4900004345","490:4900005562","490:4900007046","490:4900005946","490:4900006203","490:4900006802","490:4900002819","490:4900003105","490:4900006553","490:4900003499","490:4900004887","490:4900007665","490:4900003779","490:4900003378","490:4900004205","490:4900006446","490:4900006558","490:4900007666"],"twin_admin_codes":[490,490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.27134208225946693,0.07818803485827211,0.06245287737475383,0.05052235540538898,0.04121751791953608,0.037633488456841724,0.03387521707934426,0.031874223836351245,0.02999288560850587,0.02967589760118083,0.028552437320754846,0.023401412644757584,0.02167628621433094,0.02043980903300856,0.019453429020464236,0.018098218469577165,0.01685047538578122,0.015254116076363278,0.015047659389853559,0.014877842481577424,0.014663984900818983,0.014614994845584801,0.014559574999424825,0.010028043303842842,0.010016276495520298],"twin_dists":[0.20976840218067727,0.29321958612044113,0.30587264186883933,0.31734795012105765,0.32798859622076765,0.33263394128220997,0.3379269067766506,0.3409524459255206,0.3439489894066033,0.3444696501074957,0.34635424315181645,0.35591102166694616,0.3595218772943026,0.3622669909831757,0.36456265617954536,0.36788845117509583,0.3711492195835,0.37564524134273924,0.3762566254117993,0.37676507083591193,0.3774127036330411,0.37756223336134437,0.37773192206674105,0.39403028125025163,0.39408053723649644],"n_dims_used":45,"mean_confidence":0.8966464572482639},"coverage":{"mean_confidence":0.8966464572482639,"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}}