{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000170},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000107","480:4800000204","480:4800000202","480:4800000203","480:4800000137","480:4800000255","480:4800000201","480:4800000106","480:4800000166","480:4800000139","480:4800000190","480:4800000196","480:4800000171","480:4800000164","480:4800000165","480:4800000132","480:4800000104","480:4800000005","480:4800000233","480:4800000226","480:4800000024","480:4800000133","480:4800000188","480:4800000134","480:4800000140"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.47913868150520456,0.3744830217896027,0.3453526367787792,0.32951623031948674,0.3014527370954618,0.27394236209846007,0.26946099169029486,0.24215029206844857,0.23186123484727766,0.22753651529562977,0.22334447084601472,0.20954160869958835,0.19076189517640374,0.174370751858953,0.1739336603131118,0.155655492482508,0.15282931791052165,0.1522365098729677,0.14556553159780783,0.12343627169966678,0.11713537105196307,0.11685070506229094,0.11664234169029915,0.11621807859858754,0.1132272717155043],"twin_dists":[0.15754639336791304,0.18202907290814455,0.18938436931937858,0.19351993021605599,0.20112875133629127,0.20900009666559274,0.21032704216616221,0.21872935878915872,0.2220524246405987,0.22347807215750973,0.22487721437367997,0.22961228657291555,0.23640933099719494,0.24273479058924108,0.24290913313481272,0.2505002530157597,0.2517310353933011,0.2519913134354982,0.25497301924308574,0.26565795581800816,0.26896407395069105,0.2691166217880068,0.269228461096506,0.26945665958306075,0.27108375574867255],"n_dims_used":43,"mean_confidence":0.9067692423975745},"coverage":{"mean_confidence":0.9067692423975745,"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}}