{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002679},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002530","490:4900002826","490:4900001231","490:4900002229","490:4900002973","490:4900002381","490:4900002827","490:4900002078","490:4900002974","490:4900001772","490:4900003385","490:4900001766","490:4900004072","490:4900001104","490:4900001920","490:4900004214","490:4900003269","490:4900002231","490:4900003667","490:4900004213","490:4900004080","490:4900004071","490:4900001362","490:4900003935","490:4900004221"],"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":[0.49601014129859367,0.43042340234732185,0.39097034227537253,0.3788011119752426,0.29575877568885445,0.29408787711875545,0.2716770764951426,0.2618166502066354,0.24669266824325214,0.22932880660538293,0.217280787062555,0.2160721252770052,0.21596885746852543,0.18602622906815708,0.1859108356826126,0.18497865884227233,0.17812385176743095,0.17514130452808793,0.16993381554128356,0.15716432501463554,0.1316604787532058,0.11964690956633704,0.11825222860738756,0.10863186949933908,0.10829915269694798],"twin_dists":[0.1537967192895053,0.16863549771798741,0.17799189011041994,0.18096358755208736,0.2027216446100778,0.20319249792297273,0.20966916770219138,0.21262249115961282,0.21729146541050934,0.22288508952875494,0.22693237991198797,0.22734661723160815,0.22738208185421602,0.23819615454904816,0.23824008992640408,0.23859571593498297,0.2412504634828019,0.24242819853737196,0.24451929099726574,0.2498498480615045,0.26153050955112517,0.2676303422751888,0.2683682991331964,0.27364961026657264,0.2738386209302073],"n_dims_used":45,"mean_confidence":0.9148700290256077},"coverage":{"mean_confidence":0.9148700290256077,"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}}