{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003707},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002739","490:4900001404","490:4900003563","490:4900004816","490:4900001406","490:4900004272","490:4900004679","490:4900004277","490:4900003850","490:4900001275","494:4940008393","490:4900003449","490:4900001405","490:4900003565","490:4900001814","490:4900004264","490:4900005242","494:4940008097","490:4900003716","490:4900003459","490:4900001673","490:4900003861","490:4900003326","490:4900005892","490:4900001698"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,494,490,490,490,490,490,490,494,490,490,490,490,490,490,490],"twin_sims":[0.7279692309030307,0.5563972943820623,0.5205289390576082,0.5158949606130292,0.49890667964879426,0.4814483069496711,0.45720028130390666,0.44761132925993863,0.4444753333167929,0.4381784612956086,0.42332529339841524,0.42215481916518055,0.4161391201531981,0.4105907162964404,0.4048627353020207,0.39677088196884003,0.3961906710219155,0.3721315779508978,0.3696875569360182,0.3679982057304178,0.3668081518094044,0.3627281403525273,0.3611261382075413,0.35249453435866235,0.34875111390153746],"twin_dists":[0.10349236532918679,0.1406334636048644,0.148410775890969,0.14942364256819693,0.15315679468230456,0.15703070626235882,0.16248681468839646,0.16467245001492983,0.1653910387959302,0.16683984243243744,0.17029060170492683,0.17056463066145738,0.1719781121986621,0.17328959529205426,0.1746517023418307,0.17659074570053376,0.1767304699651585,0.18261182236567589,0.18321944694770365,0.18364061609633472,0.1839378865141053,0.18496075462001957,0.18536397050300885,0.1875524447528634,0.18851019010839196],"n_dims_used":45,"mean_confidence":0.9222496880425347},"coverage":{"mean_confidence":0.9222496880425347,"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}}