{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004074},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004211","490:4900003797","490:4900003796","490:4900001369","490:4900004073","490:4900001502","490:4900001500","490:4900001640","490:4900001370","490:4900001122","490:4900001780","490:4900003941","490:4900001366","490:4900001235","490:4900004489","490:4900001496","490:4900003249","490:4900001638","490:4900001639","490:4900003800","490:4900001243","490:4900001637","490:4900001501","490:4900001108","490:4900002397"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.5172860381758857,0.5046532051316827,0.4757456040519053,0.40673252482095984,0.35737687729882334,0.33282928081156066,0.3207498875466038,0.30627175957366926,0.29538413832557986,0.277519724260441,0.26280377308456454,0.2214441270983282,0.21497518458466194,0.21180308620942737,0.1918292099040754,0.18799731286735466,0.1604911540030971,0.15782260435027404,0.142146831217751,0.13714796861320142,0.1279226184359852,0.12185739081045681,0.11962880985557311,0.11355990376377259,0.11000060924064556],"twin_dists":[0.14911936076318286,0.15189028766988216,0.1583054411835871,0.17420613516908914,0.1863112216055903,0.19264599182650705,0.19585603424315043,0.19979428388222517,0.20282707924599327,0.20795036919674084,0.21232374644426527,0.22551723771756563,0.22772391836720063,0.22882235555255415,0.23601091392181736,0.2374486133548205,0.24843169571436038,0.24956751458986023,0.2565403967569789,0.25888353458778934,0.2633814731312987,0.26647408200764455,0.2676398769877979,0.2709011702066228,0.27287673670224377],"n_dims_used":44,"mean_confidence":0.9161761023781516},"coverage":{"mean_confidence":0.9161761023781516,"n_dims_used":44,"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}}