{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800004109},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800004185","493:4930000143","480:4800005553","480:4800004693","480:4800005565","480:4800003878","480:4800005038","480:4800004198","480:4800004207","493:4930000688","480:4800004522","480:4800003884","494:4940008427","480:4800005554","480:4800004041","480:4800004108","493:4930004525","480:4800005396","480:4800003960","490:4900000467","494:4940008422","480:4800003607","480:4800004273","490:4900000677","480:4800005213"],"twin_admin_codes":[480,493,480,480,480,480,480,480,480,493,480,480,494,480,480,480,493,480,480,490,494,480,480,490,480],"twin_sims":[0.619420696635327,0.6091830966424221,0.5815931684795194,0.5608494257230019,0.5377074857601307,0.5059457748791971,0.4932621930258968,0.4833502579143231,0.4669865304853537,0.4394779686867306,0.40312002574967004,0.3966840721622011,0.3728912361129213,0.36456685266585015,0.3629905997072759,0.35658585521004543,0.3515408272798814,0.3444165412625548,0.33166515551325243,0.3272276171209583,0.3247624723441605,0.31918069950987016,0.3150754927513494,0.30707576283867344,0.3070338529212101],"twin_dists":[0.12711396665667626,0.12930652576628984,0.13521725540181467,0.13967429768600995,0.14467348368667327,0.1516059530537005,0.15440480766865736,0.15660663078900613,0.16027320685150412,0.1665401866685391,0.175067815455821,0.1766116449439192,0.18242336125554606,0.18449907088498063,0.18489478115445054,0.1865117234151685,0.18779594192888818,0.18962595616830696,0.19295252758826073,0.19412645714256546,0.19478239600072275,0.1962779407292096,0.19738726123391703,0.1995728281982179,0.19958436365067356],"n_dims_used":43,"mean_confidence":0.9200514859931413},"coverage":{"mean_confidence":0.9200514859931413,"n_dims_used":43,"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}}