{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000140},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000234","480:4800000174","480:4800000233","480:4800000102","480:4800000208","480:4800000103","480:4800000219","480:4800000222","480:4800000264","480:4800000232","480:4800000013","480:4800000170","480:4800000015","480:4800000025","480:4800000252","480:4800000249","480:4800000104","480:4800000005","480:4800000011","480:4800000077","480:4800000201","480:4800000004","480:4800000200","480:4800000115","480:4800000186"],"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":[0.49847614316325417,0.37051472112665645,0.2728512347365561,0.2685043933658834,0.23131510215331147,0.21871103293577798,0.1967291558078337,0.16673907937778495,0.15320288517030056,0.1478356207169495,0.11383773452853273,0.1132272717155043,0.08836648276607537,0.08316004895617757,0.08253750632627187,0.08162066645291831,0.07561253086655985,0.07405495954778624,0.07141540027898255,0.070399912659971,0.06744898136906965,0.06718226469346884,0.06472111140529105,0.06377653888664625,0.06144192850032311],"twin_dists":[0.15325184526429356,0.1830135776096184,0.20932194372044186,0.21061205483169415,0.22223148486002703,0.22644419705529292,0.23420135900457814,0.24582500012600567,0.25156739745496637,0.2539472546845721,0.2707489811533799,0.27108375574867255,0.28609333482063204,0.2896514511723304,0.2900887006932294,0.29073748001373445,0.2951400657081828,0.2963272361832556,0.29838599115015546,0.2991944728992636,0.3015988619529947,0.3018203719884567,0.30389896472347866,0.3047138838470905,0.3067712809176761],"n_dims_used":43,"mean_confidence":0.9070161331531613},"coverage":{"mean_confidence":0.9070161331531613,"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}}