{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011965},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011894","490:4900011829","490:4900011441","490:4900011440","490:4900011832","490:4900011966","490:4900012163","490:4900011765","490:4900011892","490:4900011893","490:4900010923","490:4900011905","490:4900011700","490:4900011245","490:4900010924","490:4900011693","490:4900011232","490:4900011080","490:4900010674","490:4900011760","490:4900011234","490:4900010842","490:4900009721","490:4900010999","490:4900011768"],"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":[0.49081488472936746,0.31087821428061546,0.31021779127600096,0.2749023051921458,0.2695350056706393,0.22454738874269367,0.2232520258976872,0.16495774207066716,0.1624909330030355,0.1592947531332325,0.1508245610032607,0.14899019154594423,0.14853330792329306,0.14843417236456546,0.14691043380420238,0.1374495658423529,0.13697478794385262,0.1337860913191007,0.12933391189870688,0.12351265574810463,0.12195935349024634,0.10962042755499117,0.1049659293010759,0.10012934809475024,0.0995092882544306],"twin_dists":[0.15494720207712073,0.19852996946990978,0.19871056946798552,0.20871759481520175,0.21030501627254236,0.2244739538872344,0.22490826498329258,0.2465608871005914,0.24758949312669412,0.24893920820321983,0.2526142554218421,0.2534300079132005,0.2536343365647989,0.2536787334204627,0.2543638946770914,0.25874037374567216,0.25896584572538156,0.26049552994918096,0.26267786925308045,0.26561867482003365,0.2664211347342705,0.2730906602846444,0.2757574843846127,0.2786279951904096,0.2790037898195936],"n_dims_used":45,"mean_confidence":0.8909495035807292},"coverage":{"mean_confidence":0.8909495035807292,"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}}