{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008131},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008127","490:4900009133","490:4900008572","490:4900008022","490:4900008020","490:4900009561","490:4900009664","490:4900009238","490:4900008126","490:4900010324","490:4900009633","490:4900009242","490:4900008668","490:4900010158","490:4900008557","490:4900009854","490:4900010046","490:4900008703","490:4900008556","490:4900008337","490:4900009859","490:4900009764","490:4900010682","490:4900008233","490:4900009421"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.317199836336277,0.2988828522749691,0.27329632561816064,0.2730849376173081,0.2635697676361298,0.22596921463666245,0.21355880357045906,0.18866090161812948,0.17279712985365905,0.16651619423450423,0.15298729848589818,0.13866646044277256,0.13853767860307192,0.13757283928693376,0.13643528151538675,0.1359889933204784,0.13388419602306015,0.1278878158597353,0.11920934839226421,0.11738966658865314,0.11557601141489952,0.11105324017354291,0.10846738381748548,0.10812674061412814,0.10526083043550805],"twin_dists":[0.19681220301971852,0.20184547646884593,0.2091905610635875,0.20925294250552331,0.2120924080513548,0.2239991564841226,0.22821302022248355,0.2371981817410996,0.24336393024473585,0.24591676463457296,0.2516617975858692,0.2581651183534036,0.25822581770031855,0.25868192650320043,0.2592227684385547,0.2594358746205002,0.2604480613222211,0.2633988980692752,0.2678611539358723,0.2688280413671007,0.26980322784828714,0.2722874023835204,0.2737429955862297,0.2739367423354961,0.2755858223291017],"n_dims_used":45,"mean_confidence":0.9015418158637153},"coverage":{"mean_confidence":0.9015418158637153,"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}}