{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800003246},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["497:4970003043","480:4800002704","665:6650003087","495:4950002182","475:4750000108","475:4750000622","475:4750000181","665:6650002101","475:4750000292","475:4750000335","480:4800003200","475:4750000658","475:4750000547","491:4910003928","475:4750000336","496:4960011129","480:4800005793","475:4750000214","480:4800006451","475:4750000426","475:4750000153","475:4750000130","475:4750000251","475:4750000508","492:4920006427"],"twin_admin_codes":[497,480,665,495,475,475,475,665,475,475,480,475,475,491,475,496,480,475,480,475,475,475,475,475,492],"twin_sims":[0.0037630752721531614,0.0019134276400595979,0.000800672163313211,0.0007762434035981047,0.0006283578255632673,0.0004523768553586636,0.00044962094980575344,0.0002650501522886525,0.0002091735077090346,0.00019443350839197052,0.0001763817190182459,0.00013100097084185045,0.00011011447631546648,0.00010796439154073446,0.00007060138885402564,0.00004558156886501505,0.000044902363126834386,0.000032320976259599124,0.000029858620767733137,0.00002853817999327338,0.000024434019041255277,0.00002028853142109534,0.000014225434594328754,0.000009142127127780376,0.000008827081385386964],"twin_dists":[0.4339642359527036,0.45950096764737625,0.49043945946902967,0.4915039674913113,0.49870452843276264,0.5096972189420435,0.5098993995497633,0.5270917784978022,0.5346144557980701,0.5369150260952725,0.5399674545741464,0.5491804030856213,0.5544892346289071,0.5550887577292184,0.5678489464256548,0.5807003960660145,0.5811363098773666,0.5906018318193721,0.592860660074736,0.5941461195431468,0.5985377922379725,0.60375448395069,0.6135928097594585,0.6256289417016915,0.6265737033137286],"n_dims_used":43,"mean_confidence":0.8924014069313226},"coverage":{"mean_confidence":0.8924014069313226,"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}}