{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000425},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000458","480:4800000493","480:4800000424","480:4800000368","480:4800000566","480:4800000457","480:4800000639","480:4800000754","480:4800000336","480:4800000998","480:4800000492","480:4800000675","480:4800000582","494:4940000244","480:4800000581","480:4800000337","480:4800001001","480:4800000302","480:4800000456","480:4800000507","480:4800000303","466:4660009816","480:4800001202","480:4800000893","480:4800000490"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,494,480,480,480,480,480,480,480,466,480,480,480],"twin_sims":[0.7322104502517071,0.4751384127195473,0.3944416426415185,0.2418390738707697,0.22128584524881706,0.17089414573583533,0.160850940612197,0.1493375197415016,0.12942606484767283,0.1163038658662117,0.10935697115633898,0.10868656143701352,0.10611415864097608,0.10149482473767256,0.10015294686706189,0.09556470548836489,0.08121697209030883,0.07196432066162184,0.06711635822995293,0.06557453241821223,0.06480225295106154,0.06428173507100443,0.0636332389355839,0.059832707266482585,0.059066587684924225],"twin_dists":[0.10254120143294378,0.15844145824446285,0.17715223575376862,0.21882851077300786,0.22557071122475883,0.24413024880293863,0.2482796125315978,0.25327498384098557,0.26263212840951766,0.2694104656539667,0.27323924097813357,0.27361858366322034,0.2750911978659893,0.27780680885535936,0.27861372890496616,0.2814384464906233,0.29102499517934466,0.29795284112749437,0.30187521814058055,0.3031710029380716,0.3038294153242503,0.3042768131444673,0.3048383754919282,0.30822709187390207,0.3089315159430539],"n_dims_used":43,"mean_confidence":0.9126707564952762},"coverage":{"mean_confidence":0.9126707564952762,"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}}