{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010610},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010524","490:4900010872","490:4900010706","490:4900010959","490:4900010352","490:4900010793","490:4900010447","490:4900010535","490:4900010877","490:4900010622","490:4900010178","490:4900010176","490:4900011851","490:4900011323","490:4900010534","490:4900010174","490:4900010710","490:4900010438","490:4900010449","490:4900010705","490:4900011256","490:4900009677","490:4900010951","490:4900011992","490:4900010263"],"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":[0.6271874907909023,0.5302465231629617,0.501460615707909,0.5003939420913184,0.4025159283642438,0.3429962258407258,0.32856101105873364,0.23364511914932268,0.2225536771698659,0.213868508244664,0.20706148607339378,0.20243265213760755,0.20212533382640632,0.20181928438154656,0.17304915483980424,0.16996465020414422,0.1692206474713819,0.1569764429437375,0.1350447376144166,0.12886459573302267,0.12399353111874116,0.11880518487673662,0.11709191710794868,0.11327802250827707,0.10216062196359622],"twin_dists":[0.12544957911157378,0.14629347760167846,0.1525934264132545,0.15282862479706658,0.17521224647087788,0.18999317709066138,0.19377279878115877,0.22146946858563601,0.22514310531049495,0.22810588684749233,0.23048528514964498,0.23213392740932648,0.2322442955131615,0.23235432260209876,0.2432628951624262,0.24450677499375176,0.2448092270024399,0.2499305882057453,0.2598884980282049,0.26291120088722697,0.2653718050172786,0.2680749249103615,0.2689873418054382,0.2710558713674633,0.2774095322944513],"n_dims_used":45,"mean_confidence":0.9199318779839409},"coverage":{"mean_confidence":0.9199318779839409,"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}}