{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011846},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012100","490:4900011648","490:4900011972","490:4900011712","490:4900011780","490:4900011713","490:4900011916","490:4900011782","490:4900011651","490:4900010935","490:4900011982","490:4900011714","490:4900011983","490:4900011010","490:4900011094","490:4900011913","490:4900011911","490:4900012167","490:4900010684","490:4900010681","490:4900010772","490:4900010773","490:4900010680","490:4900011077","490:4900011647"],"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":[0.36853594932959777,0.3674688349942985,0.3414136510806218,0.3355831168653184,0.25221841431468545,0.23529083521382665,0.2291122577305422,0.21927663001651684,0.21505180546066682,0.21071464764400058,0.202678118015687,0.20129013609485708,0.19469492113173623,0.18996746348829774,0.17812625152443243,0.16655588067044627,0.16179331310268816,0.14663269684047828,0.14288695492055942,0.13402599694650938,0.13108783987806633,0.12656948717470784,0.12616761919086203,0.10339481042437888,0.10071660679960853],"twin_dists":[0.18350644775218344,0.18377279114322703,0.19040330557375496,0.19192317331507414,0.21556503422652948,0.22093424890438215,0.2229565719882337,0.2262517343370342,0.22769752191167633,0.22920182709739587,0.2320458552069895,0.23254482639576357,0.23494875932622844,0.23670689518518562,0.2412495215440858,0.24590041877124136,0.24788243557650871,0.25448934651543453,0.2561987162654647,0.26037949614687866,0.26181148195740395,0.2640616185551666,0.2642646766103813,0.276678415565093,0.27827375591453385],"n_dims_used":45,"mean_confidence":0.8916902330186632},"coverage":{"mean_confidence":0.8916902330186632,"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}}