{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000117},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["495:4950000530","495:4950000717","495:4950000673","495:4950000429","495:4950000627","495:4950000635","480:4800000096","495:4950000095","495:4950000722","495:4950000623","495:4950000040","495:4950000070","495:4950000230","495:4950000200","495:4950000428","495:4950000767","495:4950000582","495:4950000132","495:4950000430","491:4910003488","495:4950000051","495:4950000477","495:4950000716","495:4950000576","495:4950000808"],"twin_admin_codes":[495,495,495,495,495,495,480,495,495,495,495,495,495,495,495,495,495,495,495,491,495,495,495,495,495],"twin_sims":[0.8492086854168551,0.7844488384001553,0.7404877790925611,0.7143689620577367,0.7047264899951493,0.6335263634338211,0.5746197963137325,0.5608956303458037,0.541380862735666,0.5347287364932357,0.5158324117052961,0.5115560695960438,0.5013335168884124,0.4398030769458322,0.43635989855510676,0.4273031299561597,0.4240083546543755,0.4232744353773129,0.41677413357522347,0.40427649502444957,0.3947776593033269,0.3927099844718739,0.3835624088203079,0.38257178938116254,0.3736298753864958],"twin_dists":[0.07425603118457602,0.09049818377918226,0.1006751220646614,0.10652173649794035,0.10865233302523492,0.12409011670367578,0.136713695432688,0.13966434894960658,0.14387751629987883,0.14531970826595492,0.14943732909516277,0.150374027673966,0.15262144406477562,0.1664652737633534,0.167259777123659,0.16936167089160936,0.17013083139357335,0.17030250187496002,0.17182849666738764,0.17479159130288804,0.17707114084194348,0.177570665859878,0.17979554369589298,0.18003798593938766,0.1822402961192256],"n_dims_used":42,"mean_confidence":0.8928841182163784},"coverage":{"mean_confidence":0.8928841182163784,"n_dims_used":42,"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}}