{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":500,"cluster_id":5000001853},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["500:5000001964","500:5000001614","477:4770000393","500:5000001485","473:4730001831","500:5000001611","500:5000001965","477:4770000715","500:5000001871","500:5000001852","477:4770000499","500:5000001682","500:5000002323","484:4840004369","473:4730006779","500:5000006250","477:4770000610","470:4700007837","470:4700005323","484:4840005191","484:4840003496","473:4730001761","500:5000005148","477:4770000558","470:4700003792"],"twin_admin_codes":[500,500,477,500,473,500,500,477,500,500,477,500,500,484,473,500,477,470,470,484,484,473,500,477,470],"twin_sims":[0.5753010040352986,0.5085605384500774,0.5017886024684426,0.4886397362524238,0.48021993975573435,0.4633075371862156,0.4511156403226368,0.44979898136516816,0.443223644852891,0.43501016042691576,0.4284326389743939,0.4173042051864743,0.4157734201364631,0.4140192687880424,0.4114501926949077,0.40514107437476915,0.4039962739132185,0.4021315361675891,0.39969902979538546,0.3891253771755313,0.38183389845406085,0.37982193759090077,0.37746139499702275,0.3738676883137089,0.3685040442704107],"twin_dists":[0.13656744077286348,0.1510313553962679,0.15252113407878962,0.15542995313845567,0.15730487460666892,0.16110344821512065,0.1638717109683283,0.16417229475340023,0.16567839423109418,0.1675719019928136,0.16909855303924962,0.1717036813106788,0.17206431929405588,0.17247828356387038,0.17308593743973621,0.1745853166412541,0.17485848989391362,0.17530419996404523,0.17588702304375,0.17843957529013602,0.180218771584425,0.18071256450468012,0.18129352507372634,0.1821813942391574,0.18351440541335937],"n_dims_used":45,"mean_confidence":0.9204277886284722},"coverage":{"mean_confidence":0.9204277886284722,"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}}