{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009654},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009553","490:4900009853","490:4900008124","490:4900009449","490:4900009751","490:4900009857","490:4900010241","490:4900007793","490:4900010517","490:4900010247","490:4900009759","490:4900010345","490:4900009865","490:4900009858","490:4900009551","490:4900011379","490:4900009750","490:4900009348","490:4900010238","490:4900007790","490:4900010040","490:4900008445","490:4900010056","490:4900008482","490:4900009549"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.017317178044442643,0.012177855661127137,0.0063783002265196806,0.001974506531561984,0.0018485234832619883,0.0013231776061270288,0.0008793252485870849,0.0007853098776440056,0.0006113969444642238,0.0005413637383817344,0.0005176296093350051,0.0004938707328843914,0.00037836202273946746,0.0003239849971818712,0.0002660857231934546,0.0002168251876817839,0.0002035245374576219,0.00019397337059574686,0.00016480461694589482,0.00015015237094297696,0.00011440894264463564,0.00010382034537782384,0.00010353393876403531,0.00008196809992868415,0.00008078773018765701],"twin_dists":[0.3699055371004895,0.3856260293795357,0.41294587919574266,0.4583460650698644,0.46076598451615813,0.4728472772882309,0.48720612226696935,0.491105297704143,0.49962916629534415,0.5037194726464168,0.5052184533223154,0.5067847194775159,0.5155758400804081,0.5206270635960085,0.5269669776266411,0.5334797236085022,0.5354775348406889,0.5369894552740594,0.5420840348784793,0.5449735282016054,0.5533241926246378,0.5562768115322005,0.5563605691550558,0.5633972746866087,0.5638313696980523],"n_dims_used":45,"mean_confidence":0.8931799146864149},"coverage":{"mean_confidence":0.8931799146864149,"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}}