{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010427},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010495","490:4900010508","490:4900011236","490:4900011587","490:4900010678","490:4900011228","490:4900010927","490:4900011082","490:4900010501","490:4900011159","490:4900011088","490:4900010757","490:4900011012","490:4900010671","490:4900010672","490:4900011320","490:4900010940","490:4900010496","490:4900010776","490:4900011087","490:4900011844","490:4900011234","490:4900011084","490:4900011390","490:4900011018"],"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":[0.5042040124897484,0.45872901057019677,0.4505945406018779,0.4226749539940976,0.3596706739636062,0.3357070989322472,0.3288091325865647,0.3156477720345573,0.3072754559955155,0.2911876687460346,0.2774841156888048,0.2698402638340159,0.2667443443882532,0.2637012126307386,0.25685109873861084,0.2475586270936939,0.24383475059692214,0.23508706175343183,0.22074592440501184,0.21793443072431928,0.2136585831607734,0.20555730076026316,0.20523175361234242,0.20000088842179153,0.19935202259914453],"twin_dists":[0.15198914510387365,0.1621399241698177,0.16399063511858286,0.17044281851461612,0.18573109366001533,0.19189070680801515,0.19370707644018367,0.19723213024746242,0.19951787631951268,0.20401354082656703,0.2079607771585489,0.21021421370553198,0.2111381000770667,0.2120527525577653,0.21413611134862737,0.21701928492301276,0.21819412755120285,0.221000386801981,0.225753309243577,0.2267090060652871,0.22817849289778647,0.23101823572432287,0.23113393158260565,0.2330104284147652,0.23324554415389218],"n_dims_used":45,"mean_confidence":0.8955533345540364},"coverage":{"mean_confidence":0.8955533345540364,"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}}