{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004292},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003728","490:4900004304","490:4900004307","490:4900001996","490:4900003866","490:4900003058","490:4900002639","490:4900002601","490:4900004008","490:4900004009","490:4900002452","490:4900003865","490:4900002603","490:4900002604","490:4900003084","490:4900003456","490:4900003457","490:4900002455","490:4900004022","490:4900002900","490:4900003879","490:4900003199","490:4900003340","490:4900003593","490:4900004156"],"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":[0.8721399702213177,0.7664164419129033,0.7057236096501218,0.6717409008228439,0.6713193594618457,0.6381915879514192,0.627162661724799,0.6103608772713753,0.5723658796153764,0.5547139920835908,0.5494112340174581,0.5447448874882882,0.5439205388387058,0.5407271007131171,0.5346972345323303,0.519872943952664,0.5114329632937044,0.5057216980171404,0.5040598532267372,0.4978842535060084,0.49601334557711313,0.48445886163423413,0.47333988330682764,0.4593033378442648,0.4513546468647322],"twin_dists":[0.06793450062631051,0.09473355257651593,0.10843261403363667,0.11585540641860934,0.11594676196049096,0.12308878033671262,0.1254549019203435,0.12905432403890146,0.1371977317618044,0.14099640279351072,0.14214085453078235,0.14314945921897337,0.1433277932078689,0.14401910228531375,0.14532654627725958,0.1485540283974915,0.1504010221677239,0.1516552307154393,0.15202087642371434,0.15338255596785486,0.1537960107893974,0.15635968769012104,0.15884468305660074,0.16200970837597206,0.16381718255656444],"n_dims_used":45,"mean_confidence":0.9172575208875868},"coverage":{"mean_confidence":0.9172575208875868,"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}}