{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990003939},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990004087","499:4990003420","468:4680000741","477:4770004008","496:4960012254","499:4990002153","467:4670002975","477:4770001765","467:4670000605","468:4680004461","472:4720002799","499:4990000765","499:4990001178","467:4670002974","472:4720006091","467:4670001400","467:4670000601","499:4990002431","467:4670003746","499:4990004443","485:4850000483","468:4680000023","499:4990002574","468:4680002879","493:4930005114"],"twin_admin_codes":[499,499,468,477,496,499,467,477,467,468,472,499,499,467,472,467,467,499,467,499,485,468,499,468,493],"twin_sims":[0.4444907456104557,0.28813667596894704,0.2473982346583806,0.24293532210227928,0.22728711991724126,0.2265862826631251,0.22026267390954116,0.21134172358360578,0.21103586440165517,0.20563174573500234,0.19894605423323822,0.1987627383734865,0.1931205814675163,0.18937252029980078,0.18851553911366334,0.184699693937522,0.18112996520223337,0.17392207870347756,0.1724186570512023,0.16981533339327948,0.16865663037937373,0.16804200668404487,0.16395487411244788,0.15490974147625705,0.15076001857045737],"twin_dists":[0.16538750246872697,0.20488253757978384,0.21706965185685784,0.2184796195018396,0.22356082973810762,0.2237937131862241,0.2259169952564202,0.22898304240301995,0.2290897005332356,0.23099179641340112,0.23339291490221992,0.2334595285054059,0.23553091947247146,0.23693030852792613,0.23725298722580287,0.23870238625752396,0.240077510265652,0.2429137569392811,0.24351585555838232,0.24456739889717644,0.2450391485602363,0.2452903303224222,0.24697770957860193,0.2508234232204794,0.25264283339831456],"n_dims_used":44,"mean_confidence":0.9348240765658292},"coverage":{"mean_confidence":0.9348240765658292,"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}}