{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000217},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000092","490:4900000072","490:4900000131","490:4900000089","490:4900000354","490:4900000435","490:4900000402","490:4900000132","490:4900000340","490:4900000218","490:4900000139","490:4900000248","490:4900000066","490:4900000200","490:4900000359","490:4900000094","490:4900000190","490:4900000179","490:4900000140","490:4900000600","490:4900000152","490:4900000113","490:4900000725","490:4900000070","490:4900000357"],"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":[0.6464200280764967,0.591787324166719,0.5746468603321341,0.46933282803228105,0.43819677635871834,0.39940486809829495,0.39830921960611415,0.32884366521425795,0.3275725301028693,0.3130813824604481,0.2890771104057244,0.28555667177061067,0.27843802056081307,0.23849015036439838,0.22761997600072958,0.20941403357978933,0.20940328057057436,0.2090749670626749,0.1931739040226797,0.19208097108175998,0.18954177546120682,0.184154088015605,0.18186584828716554,0.18092474134372624,0.17986839454395245],"twin_dists":[0.12132053903591355,0.13303204930392207,0.13670788449299284,0.1597448916144566,0.16683561670249727,0.17595761246849334,0.1762207418110362,0.19369793161500026,0.19403489916320976,0.19792906927264795,0.20461409613954878,0.20562168927411634,0.20768224283694148,0.2199007318879612,0.22345039057060503,0.2296570206225769,0.22966079199817171,0.22977600403671036,0.2355111479352977,0.23591715965002769,0.23686669985589723,0.2389113428285312,0.23979247939990925,0.24015714598062296,0.24056806881673798],"n_dims_used":45,"mean_confidence":0.9120332505967882},"coverage":{"mean_confidence":0.9120332505967882,"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}}