{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003907},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001163","490:4900002186","490:4900004464","490:4900000789","496:4960008673","490:4900001295","490:4900000826","490:4900001610","494:4940008536","490:4900001746","490:4900000177","490:4900001896","490:4900000552","490:4900002201","496:4960008259","490:4900001052","480:4800004351","490:4900000520","490:4900001436","480:4800004533","490:4900000959","480:4800005558","494:4940008736","490:4900002644","490:4900000029"],"twin_admin_codes":[490,490,490,490,496,490,490,490,494,490,490,490,490,490,496,490,480,490,490,480,490,480,494,490,490],"twin_sims":[0.3907770551343634,0.38936746318564563,0.3287529658070357,0.3217751616204755,0.3131396437358157,0.30802800522681195,0.293684999026664,0.27902111244876693,0.2724831060932613,0.27121964707924273,0.26669798425893343,0.2660846636654117,0.25551567094262,0.2546407178769534,0.24296979732174345,0.2400248838171602,0.2364188755726253,0.23469797828341557,0.23327009105334956,0.2311397589996522,0.23031780387094208,0.22790884386982618,0.226037497765321,0.21597183863737549,0.21493378695973978],"twin_dists":[0.17803874520743038,0.1783807758553684,0.19372195148484045,0.1955809941170884,0.1979132116585039,0.19931097326952957,0.20330626396139984,0.20751226973451056,0.20943070816404366,0.20980468968753818,0.21115198533540533,0.21133582159330172,0.21454632719310446,0.21481583153785816,0.21846866397640438,0.21940815213205717,0.22056880171689466,0.22112677431985062,0.22159178078975705,0.222289033538706,0.22255918829965288,0.22335463301010366,0.22397640436291913,0.22738105788976812,0.22773818279505081],"n_dims_used":45,"mean_confidence":0.9175243801540799},"coverage":{"mean_confidence":0.9175243801540799,"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}}