{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004194},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004334","490:4900004209","490:4900002373","490:4900006190","490:4900003373","490:4900004197","490:4900004475","490:4900003107","490:4900005289","490:4900005163","490:4900004890","490:4900002822","490:4900005302","490:4900007662","490:4900002972","490:4900007411","490:4900003504","490:4900004207","490:4900003368","490:4900003242","490:4900004065","491:4910002014","490:4900002065","490:4900004476","490:4900004471"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,490],"twin_sims":[0.4010878871641325,0.32022482618264153,0.3132597618631251,0.2871988886863019,0.2790446846032615,0.27393991176773225,0.2480585345675259,0.22430359797736,0.21106091816341427,0.2077598089199818,0.20549667946931974,0.20463137083765548,0.19298282150928472,0.19208943456697025,0.18912134348299528,0.18658531423441874,0.18572529684291314,0.18308545706259352,0.18056672722320907,0.17686302272236143,0.16347495344131974,0.1593338445348617,0.15394956517997202,0.14252764993123349,0.13838398287315928],"twin_dists":[0.1755540598191409,0.19599707792801938,0.19788052308344348,0.20515074579448261,0.20750540292553818,0.20900081855040972,0.21686243663973595,0.2245555647371808,0.2290809599319348,0.2302387593230196,0.23103977035905743,0.23134763080794846,0.23558201725398417,0.2359140093900902,0.23702477795208557,0.23798355673889182,0.23831077298984993,0.2393218752672674,0.240296224060308,0.241746608827706,0.2471778319043907,0.24892258191213357,0.2512411956288306,0.2563644258372776,0.25829831502562745],"n_dims_used":45,"mean_confidence":0.8973056369357639},"coverage":{"mean_confidence":0.8973056369357639,"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}}