{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011701},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011637","490:4900011441","490:4900011765","490:4900011434","490:4900011761","490:4900011640","490:4900011645","490:4900011456","490:4900011367","490:4900011301","490:4900011901","490:4900011631","490:4900011838","490:4900011700","490:4900011905","490:4900012042","490:4900011697","490:4900011081","490:4900011635","490:4900011564","490:4900011237","490:4900012119","490:4900011831","490:4900010999","490:4900011710"],"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":[0.5639471833118949,0.42652989970181976,0.3857610507144605,0.360082348230381,0.27377222208733126,0.2116406406180017,0.2075574155556799,0.17973421279845309,0.17860109422531603,0.17090041123481856,0.15557871163304207,0.149753841272539,0.13682397441048003,0.11901286445647777,0.1186307971816088,0.1153325729090324,0.10623858359905786,0.10457988683086407,0.10146001880263937,0.09963595855570684,0.09869568911770984,0.09811479648578446,0.09731874584287034,0.09598759346695773,0.09350212400346625],"twin_dists":[0.13900753151048326,0.16954195916063972,0.17925851864570724,0.18562717707799045,0.20905023054148078,0.22887890623124976,0.23031015111535483,0.24062038825929066,0.24106331605355263,0.2441277157231551,0.25053347352801614,0.2530895155300339,0.2590375894504108,0.26796500923504074,0.2681673342844838,0.2699350152357296,0.275019334525225,0.2759827679950841,0.2778276332513834,0.27892687104231767,0.27949967390972896,0.27985568930046684,0.2803462661597931,0.28117369570385087,0.28274311985006445],"n_dims_used":45,"mean_confidence":0.8913112216525607},"coverage":{"mean_confidence":0.8913112216525607,"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}}