{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012813},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012742","490:4900012679","490:4900012812","490:4900012675","490:4900012674","490:4900012741","490:4900012390","490:4900012878","490:4900012807","490:4900012871","490:4900012739","490:4900012532","490:4900012461","469:4690001207","494:4940007541","490:4900013052","490:4900012457","490:4900013317","469:4690003024","490:4900012930","490:4900012531","490:4900012603","490:4900012255","490:4900012740","490:4900012254"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,469,494,490,490,490,469,490,490,490,490,490,490],"twin_sims":[0.029431249018496287,0.028895128950302204,0.019655423540135577,0.01421013433561203,0.00928694080256926,0.007227855651001328,0.006860675206883867,0.006635425460552276,0.0064398169304472315,0.006083285343455241,0.005943524372668994,0.005160752368782275,0.004949984543962969,0.004888153194734517,0.003920327235237421,0.0038820257702554877,0.0038420903035159136,0.003808563385058132,0.0038024363329501438,0.0036503211187046054,0.0032219673300289257,0.003101108036668066,0.0030977141440994833,0.0030410759052480955,0.0029740459524192878],"twin_dists":[0.344874763511502,0.34577273082969073,0.3640844019248917,0.37881517790549757,0.39730327581571717,0.4078064227473502,0.4099571834863035,0.41132841191730113,0.41255362913444665,0.41487572541364537,0.4158196144223569,0.4215091602579002,0.42317448150617426,0.4236752106768966,0.43237010022133443,0.4327529453109042,0.4331558009063372,0.4334969627335568,0.43355960539673244,0.4351450516305974,0.43995691879646703,0.44142027638523196,0.4414621165882913,0.4421666103321782,0.443016020121358],"n_dims_used":45,"mean_confidence":0.9028388129340278},"coverage":{"mean_confidence":0.9028388129340278,"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}}