{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":500,"cluster_id":5000001901},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["477:4770002019","500:5000001693","477:4770001956","500:5000002113","500:5000001235","485:4850007972","485:4850008010","477:4770002018","485:4850008059","485:4850007816","485:4850008018","477:4770001953","485:4850007984","485:4850007677","500:5000002361","477:4770001896","477:4770001957","485:4850007119","477:4770000608","477:4770000812","477:4770000162","485:4850008017","500:5000000896","477:4770000755","485:4850008043"],"twin_admin_codes":[477,500,477,500,500,485,485,477,485,485,485,477,485,485,500,477,477,485,477,477,477,485,500,477,485],"twin_sims":[0.7476921962384482,0.6767604883567218,0.6662469610677183,0.5953485479251762,0.5711734839507829,0.5600376263101722,0.5456198599034313,0.5375067945291448,0.5312272507023064,0.5257408593379468,0.5123426830412479,0.49809297676012804,0.4920050693357343,0.4904578359449038,0.4832246276132444,0.46454878769304964,0.4561695189584126,0.4551588731093266,0.4510521789886861,0.4451185878198185,0.4432083743806867,0.43675472621765143,0.43648553938962,0.436337420034394,0.4345181009658699],"twin_dists":[0.09903964562728505,0.11476641130145565,0.11704492638029826,0.132269147554505,0.13745388211276713,0.139849111784541,0.1429602258256884,0.1447170004729647,0.14608026712593145,0.14727410107410957,0.15020157958449668,0.15333645729540094,0.15468332328359471,0.15502640128247497,0.15663462624990257,0.16082307928529965,0.16272094565848477,0.1629506938053231,0.16388619122893658,0.16524348493132257,0.16568190186488982,0.1671685464311743,0.1672307424238976,0.1672649720993021,0.16768578603375442],"n_dims_used":45,"mean_confidence":0.9233729044596354},"coverage":{"mean_confidence":0.9233729044596354,"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}}