{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000718},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000608","490:4900000835","490:4900000423","490:4900000699","490:4900000246","490:4900000023","490:4900000501","490:4900000143","490:4900000606","490:4900000046","490:4900001082","490:4900000703","496:4960007302","490:4900000489","496:4960008383","490:4900000288","496:4960006644","490:4900000832","490:4900000001","490:4900000285","490:4900000622","490:4900000830","490:4900000824","490:4900000948","490:4900000785"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,496,490,496,490,496,490,490,490,490,490,490,490,490],"twin_sims":[0.6856094012933543,0.5280529955098191,0.45724082503597846,0.4206880884134947,0.380797867383821,0.3749372367953545,0.36936885769032146,0.3659730560735232,0.3614968815774056,0.3597020922803318,0.35635325031536147,0.3555570337447208,0.34706800858982956,0.3458750109837254,0.33808996082999343,0.33552334755751545,0.3280517806215646,0.3263029213825304,0.3241114924603751,0.313275536625438,0.3108620109832408,0.3085714000848469,0.30561160524555225,0.3052044668543673,0.29665974030802705],"twin_dists":[0.11284100554125637,0.14677065531401964,0.16247760934809333,0.1709084698593406,0.18047288625691812,0.1819167141089361,0.18329882775689912,0.18414677864963083,0.18527057554611048,0.18572316077301534,0.18657072576283215,0.18677284382895595,0.1889425653932628,0.18924970619312392,0.19126797566676745,0.19193882710014512,0.19390776924872205,0.19437218332856349,0.19495607278693688,0.19787623071860125,0.19853439781242993,0.19916175513183593,0.19997636871501376,0.20008877966774188,0.20246840691187812],"n_dims_used":45,"mean_confidence":0.9136908637152777},"coverage":{"mean_confidence":0.9136908637152777,"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}}