{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800003153},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800003038","480:4800003152","480:4800003335","480:4800003026","480:4800002944","480:4800003070","480:4800003251","480:4800003501","480:4800003237","480:4800002904","480:4800002991","480:4800002758","480:4800002946","480:4800003123","480:4800003387","480:4800003238","480:4800003027","480:4800002571","480:4800002609","480:4800002862","480:4800003507","480:4800003569","480:4800003555","480:4800003031","480:4800003074"],"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":[0.4414752992678004,0.41572154126709704,0.35646250729435963,0.23290471797238857,0.22351935534786838,0.2210373939942743,0.2046408618821382,0.16107022689688708,0.15963498649151023,0.1580439053346031,0.1522151946391744,0.15015752679662284,0.15010977904025935,0.14925686674368702,0.14489752855549498,0.14284524176302826,0.1335344343282528,0.1314360990536698,0.13037712614152488,0.1251534159406771,0.123430901233274,0.11475732440039048,0.11182021006445243,0.10535970263925237,0.10256011097409412],"twin_dists":[0.16608029396262297,0.17207655143035636,0.18654300926542755,0.22171106830594275,0.22481849720792665,0.22565469891107917,0.23134424924455216,0.2481870405408554,0.24879460011621923,0.24947279236414324,0.2520006859416179,0.2529100388366017,0.25293124872263395,0.2533109582307713,0.2552771167446203,0.2562179382549575,0.26061741561740154,0.2616404943047257,0.26216149245479464,0.2647793294827287,0.2656607183114966,0.27024728230831097,0.2718607125967693,0.2755283525350698,0.27717212954786413],"n_dims_used":43,"mean_confidence":0.9135008523630541},"coverage":{"mean_confidence":0.9135008523630541,"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}}