{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890000974},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890000915","489:4890001422","489:4890001220","489:4890001221","489:4890001159","478:4780000464","478:4780000458","478:4780000426","478:4780000538","478:4780000323","478:4780000496","500:5000005260","478:4780000501","473:4730006367","478:4780000427","500:5000007956","478:4780000461","473:4730005920","500:5000005257","478:4780000500","473:4730005695","478:4780001268","500:5000007699","478:4780000462","478:4780000865"],"twin_admin_codes":[489,489,489,489,489,478,478,478,478,478,478,500,478,473,478,500,478,473,500,478,473,478,500,478,478],"twin_sims":[0.8219947583578061,0.7619614177796471,0.731815791895421,0.623962910201851,0.5026169456191423,0.46368475832891987,0.46032737990099304,0.4457017137536651,0.4242999732858879,0.4124968668605612,0.41154121098748897,0.4015934405021902,0.4008567734441929,0.39935414963904836,0.3871791349839006,0.3862408020847854,0.3695161760214603,0.36417920670938164,0.3631212991051496,0.3579823045728737,0.3521758781777302,0.349500980697819,0.348147842408644,0.34504028448638924,0.3440124822260171],"twin_dists":[0.08131870107073899,0.09576592039553482,0.10262984843539046,0.12614073885871532,0.15233861474405347,0.16101821523449575,0.16177767403437746,0.16510979417682894,0.1700626535523607,0.1728381728250318,0.17306438103470181,0.1754329887237516,0.17560943047483335,0.17596978567201735,0.17891291893269218,0.1791415316579162,0.18326212984079834,0.18459630712491648,0.18486193673057516,0.18615791695888884,0.18763376471285834,0.1883179090750452,0.1886650388280811,0.18946494232760946,0.1897303430888621],"n_dims_used":45,"mean_confidence":0.9155509101019965},"coverage":{"mean_confidence":0.9155509101019965,"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}}