{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001362},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001301","480:4800002047","480:4800001645","480:4800001482","480:4800001474","480:4800001370","480:4800001300","480:4800001425","480:4800001295","480:4800002460","480:4800001981","480:4800001705","480:4800001759","480:4800001541","480:4800001933","480:4800001924","480:4800001417","480:4800001415","480:4800001479","480:4800001470","480:4800002408","480:4800002360","480:4800002244","495:4950002712","480:4800001483"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,495,480],"twin_sims":[0.8419028669997946,0.7061760927673328,0.6927863698922577,0.5969521530320533,0.4387586002012349,0.43259810428362416,0.39977943578143027,0.3987400638181432,0.38758428638318826,0.3866439041779627,0.37926127642774377,0.375511907115217,0.36808733479611633,0.35658762719544124,0.3524981933798857,0.3501847799185723,0.3308346176228095,0.30650890433154665,0.27499533519853203,0.25601926307769385,0.2559259545261745,0.2439339137009085,0.22150739815172252,0.2079859860781772,0.19746699889434904],"twin_dists":[0.0761934182684427,0.10833286329619823,0.11127350119629312,0.13192567243874553,0.16670602405782922,0.16813065244610256,0.17586773228456093,0.17611723156014558,0.17881429007939872,0.1790432888230802,0.1808503917003795,0.1817746539566037,0.1836183714082468,0.1865112740110712,0.18755151120555608,0.18814275760739294,0.19317158336288776,0.19972892958284552,0.2086902491636067,0.21439147507778628,0.21442015243279788,0.21816269337114366,0.2254958695447854,0.2301590341683172,0.23393159089458918],"n_dims_used":43,"mean_confidence":0.9131512309229651},"coverage":{"mean_confidence":0.9131512309229651,"n_dims_used":43,"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}}