{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010976},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010475","490:4900011135","490:4900011134","490:4900008961","490:4900011877","490:4900010474","490:4900009816","490:4900010889","490:4900012216","490:4900010814","466:4660004020","490:4900010899","490:4900010812","466:4660004077","490:4900011136","490:4900011214","490:4900011356","490:4900009178","490:4900011213","490:4900011556","466:4660004301","490:4900009393","490:4900010559","490:4900011484","490:4900009815"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,466,490,490,466,490,490,490,490,490,490,466,490,490,490,490],"twin_sims":[0.45845734208651934,0.4316818670157906,0.4306840707695027,0.4103009079585,0.39370255154192724,0.38362137338351854,0.37905724338733643,0.36586209612834514,0.3580172521808955,0.3503111778930693,0.34982413139586416,0.34557161188749136,0.3432065815831667,0.33755052932574625,0.3274950919050663,0.3263623816565372,0.3215955911581728,0.3182654577991795,0.3160187945492571,0.2917684612279157,0.2845614096600925,0.2832162361438134,0.2807676791001402,0.27999681168436746,0.27955865143977693],"twin_dists":[0.16220153923314148,0.1683432263730341,0.16857493048057892,0.1733583091249229,0.1773307219942103,0.17978112228152962,0.18090057356958572,0.18417455235236954,0.18614907168677663,0.18811040107186747,0.18823511341906737,0.18932790649079076,0.18993873888511095,0.19140874121465537,0.19405545068306115,0.1943563709347348,0.19562913024978487,0.19652455944695643,0.19713164018938448,0.20384873240333845,0.20590789592268607,0.20629568605456688,0.2070044284216712,0.20722833285712547,0.20735576675307676],"n_dims_used":45,"mean_confidence":0.9105879889594184},"coverage":{"mean_confidence":0.9105879889594184,"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}}