{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001233},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001926","490:4900002973","490:4900001107","490:4900001234","490:4900001636","490:4900002680","490:4900001108","490:4900002681","490:4900004215","490:4900002082","490:4900001495","490:4900003534","490:4900002692","490:4900004214","490:4900002974","490:4900003939","490:4900002399","490:4900004071","490:4900003249","490:4900003941","490:4900004489","490:4900004491","490:4900001232","490:4900002831","490:4900002248"],"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":[0.5772548383754054,0.5002438012422784,0.4819442000385162,0.46706066647882255,0.45529442654624047,0.44574963035840837,0.36327318598998043,0.3510258273888316,0.32884878550246993,0.30765172133745944,0.3032787580066768,0.2917072503202496,0.28727181080687547,0.28590037489612935,0.2816525846957631,0.2570217634523309,0.2502924462054499,0.24040378949110763,0.23831021044919198,0.23115466578303948,0.2141980098534561,0.21286134437318288,0.1978774439859195,0.19437356916588336,0.19184577609554473],"twin_dists":[0.13614804498728963,0.15286174156324606,0.15692008695653914,0.1602564998047224,0.16291986793005436,0.1650988115130126,0.18482377546576334,0.1879275731737116,0.1936965757208868,0.19941439091490062,0.20062164872778163,0.2038660927030657,0.20512987119782497,0.2055229902291228,0.2067478597563656,0.21408378397806427,0.2161640002571024,0.2192868559111118,0.21995861939021844,0.22228413992464163,0.22799202034814753,0.2284546713761376,0.23378182689206503,0.23506732254081747,0.23600474214133513],"n_dims_used":44,"mean_confidence":0.9107326160777699},"coverage":{"mean_confidence":0.9107326160777699,"n_dims_used":44,"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}}