{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000631},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000701","480:4800000483","480:4800000742","480:4800000515","480:4800000482","480:4800000774","480:4800000633","480:4800000668","480:4800000778","480:4800000853","480:4800000737","480:4800000704","480:4800000554","480:4800000481","480:4800000815","480:4800000669","480:4800000592","480:4800000775","480:4800000813","480:4800000417","480:4800000938","480:4800000552","480:4800000738","480:4800000854","480:4800000773"],"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":[0.3724591183186801,0.3208004359145753,0.259691923326805,0.2267754752797894,0.19506955189127195,0.18820758710992538,0.18378327033722228,0.18035961206061227,0.17269600692143897,0.16989051007654332,0.16916620279013897,0.15428841688536973,0.14387889479275479,0.1367228096693293,0.1365966474750422,0.13423985458984564,0.13233305449860774,0.1262650173650936,0.12501255336319678,0.11580211048799503,0.11492728719817923,0.11409918356556914,0.11134069960231113,0.10838232600415676,0.09774289772687673],"twin_dists":[0.18253054067718455,0.19584246260757193,0.21326792818600934,0.22373079876852484,0.23481071026556347,0.2373691910725478,0.23905360791242994,0.24037677142293443,0.2434044993586536,0.24453687173883282,0.24483139733592557,0.2510935440252536,0.25574284003556,0.25908574785714994,0.25914584343491565,0.2602761922888323,0.26120167511162623,0.2642154177473066,0.2648510597142989,0.2696810181856568,0.27015489492964573,0.27060602656802196,0.2721272137271062,0.2737913294733835,0.2800844864807823],"n_dims_used":43,"mean_confidence":0.9259440399879633},"coverage":{"mean_confidence":0.9259440399879633,"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}}