{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":500,"cluster_id":5000004236},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["500:5000005799","500:5000004586","500:5000007292","484:4840004941","473:4730006825","500:5000007277","500:5000009009","473:4730007274","473:4730007167","500:5000004592","500:5000006639","500:5000003886","484:4840003345","500:5000004789","500:5000009013","500:5000004228","484:4840004363","500:5000007422","500:5000009012","473:4730007164","500:5000007537","500:5000005950","473:4730007509","500:5000004412","484:4840004155"],"twin_admin_codes":[500,500,500,484,473,500,500,473,473,500,500,500,484,500,500,500,484,500,500,473,500,500,473,500,484],"twin_sims":[0.5437666152995413,0.4348286879954664,0.4068009361079158,0.3751856595111129,0.32886160472970244,0.32394639369769435,0.2978005272091783,0.2873619502366085,0.28607470348254477,0.2823946412746061,0.27628934958527906,0.26845740124032635,0.2600098929067075,0.2578200979674791,0.24116097277180124,0.23497024308597397,0.22955070594673452,0.22193700342477904,0.2199631654417194,0.2156376795106458,0.20559455393344667,0.1986185629241626,0.19521848064126715,0.19175861837899957,0.1861735988041779],"twin_dists":[0.1433610973202723,0.16761389664011117,0.17418985020208955,0.1818552902199499,0.19369318113584144,0.19500015078440974,0.2021484098572643,0.20510407238253056,0.20547295663973056,0.20653308456975208,0.2083104667432725,0.21062607204605893,0.213171126682193,0.21383929832849827,0.21904483578379885,0.22103831907218846,0.222811887119622,0.2253508891444231,0.22601856510638024,0.22749589338630954,0.2310050043522846,0.2335119490144297,0.23475588208640422,0.23603721715605838,0.23814007219538624],"n_dims_used":45,"mean_confidence":0.9192023383246528},"coverage":{"mean_confidence":0.9192023383246528,"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}}