{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000278},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000599","490:4900000499","490:4900000111","490:4900000602","490:4900000402","490:4900000683","490:4900000070","490:4900000502","490:4900000089","496:4960008268","490:4900000425","490:4900000340","490:4900000675","490:4900000601","496:4960008964","490:4900000414","490:4900000190","490:4900000200","490:4900000397","490:4900000132","490:4900000205","490:4900000490","487:4870006431","490:4900000710","487:4870002635"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,496,490,490,490,490,496,490,490,490,490,490,490,490,487,490,487],"twin_sims":[0.7609553595920365,0.5161923995272353,0.49653660514720926,0.48187863680608123,0.47531172310828107,0.4535135154828577,0.4243615685823063,0.41087047514821834,0.3913387933595215,0.38580318356248156,0.35281207628128475,0.34324713686995695,0.32334603553791347,0.31692701552344654,0.3093930222312727,0.3086088850548118,0.3067515170404406,0.3058461786139549,0.3034067530324816,0.3014411860094169,0.30010909771076394,0.2926217874340978,0.2921432551412662,0.2816796141196546,0.2806588421943662],"twin_dists":[0.09599834761588273,0.1493585645540136,0.15368033011079435,0.1569347101443639,0.15840262914302022,0.16332512863711166,0.17004825561931805,0.17322328436420734,0.1779026031817239,0.17924824181829008,0.18747144720111972,0.1899282455788159,0.19516053963948782,0.1968859332696994,0.19893642129285027,0.19915146719988047,0.1996620985748692,0.19991164230091607,0.20058617002182125,0.20113196486344295,0.2015030366583575,0.20360694161843984,0.2037424825674024,0.20674003056149637,0.2070360183166704],"n_dims_used":45,"mean_confidence":0.9084927029079861},"coverage":{"mean_confidence":0.9084927029079861,"n_dims_used":45,"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}}