{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001190},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000993","480:4800000609","480:4800000803","480:4800000502","480:4800001189","480:4800001134","480:4800000716","480:4800000350","480:4800000383","480:4800001032","480:4800000844","480:4800000750","480:4800000442","480:4800000398","480:4800000339","480:4800001192","480:4800000649","480:4800000569","480:4800000890","480:4800000838","480:4800000995","480:4800000380","480:4800000727","480:4800000514","480:4800000501"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.4981006223497762,0.48970958173707774,0.43203321952861,0.41364408048580636,0.3795116421291668,0.37708614631715354,0.26494661645600676,0.2587484604674532,0.2579089420719663,0.22931637260825055,0.21878925109965225,0.21706348560908417,0.21610488835067734,0.21272446579294313,0.21076112090119767,0.20694117961750408,0.20441710344947098,0.19399382675752957,0.182498866273096,0.1792060454994691,0.17250641564655073,0.16196334991498987,0.1609138324361291,0.14910652540895714,0.1441602348831309],"twin_dists":[0.153334768792185,0.1551924320263765,0.16826168841839392,0.1725669230602703,0.18078883218649622,0.18138604114808857,0.21167763912648013,0.21355559237748808,0.2138121198713798,0.2228891927657724,0.22641756091352522,0.22700673978521696,0.22733536799863668,0.22850215904793453,0.22918559758426907,0.23052781366540992,0.23142400072056557,0.23520760466533427,0.23954794283715902,0.24082659785103847,0.24348060655961,0.2478109499316425,0.24825305329679992,0.2533780546121849,0.25561396644955503],"n_dims_used":43,"mean_confidence":0.9128011659134266},"coverage":{"mean_confidence":0.9128011659134266,"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}}