{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900006703},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900005448","490:4900006460","490:4900005441","490:4900007068","490:4900006095","490:4900004621","490:4900004901","490:4900005437","490:4900006448","490:4900005969","490:4900005307","490:4900006223","490:4900006459","490:4900005440","490:4900005967","490:4900006818","490:4900004769","490:4900006942","490:4900005196","490:4900005180","490:4900005701","490:4900005710","490:4900005306","490:4900005058","490:4900004765"],"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":[0.41427569829807287,0.240476567221396,0.1729960000588295,0.16530585400364928,0.14003385144133604,0.10947837976983697,0.10727182117526113,0.1036467416020247,0.09894250738204785,0.08357035602608932,0.07744095123513063,0.07065092087875056,0.06876552211421116,0.06664358630899102,0.06407978669892979,0.062086519226012056,0.06139814041128038,0.05926975167607916,0.05332795447090928,0.05002280956162379,0.04985481039024439,0.044547576970772995,0.04342459378066256,0.039029281942725376,0.03855436726176965],"twin_dists":[0.172417721242439,0.21926357233857297,0.24328419578841506,0.24641662942267703,0.25752320097130194,0.2731707361585197,0.2744250855319145,0.27653001228078805,0.2793489020914065,0.2893646954582304,0.2937713564556144,0.29899375663573435,0.3005158008548546,0.30226994237037336,0.30445119056938735,0.30619691223189155,0.30681047777095,0.3087439835305832,0.3144622943560128,0.3178756643221593,0.3180541230858459,0.3239683885128006,0.32529498339864865,0.33078208885392835,0.33140579104897583],"n_dims_used":45,"mean_confidence":0.927779557969835},"coverage":{"mean_confidence":0.927779557969835,"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}}