{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":487,"cluster_id":4870004123},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["487:4870003407","487:4870003833","466:4660014255","487:4870004563","487:4870003413","466:4660013984","487:4870003691","487:4870004568","487:4870003986","487:4870004714","487:4870004570","487:4870003838","487:4870004559","466:4660013028","487:4870004127","487:4870003841","487:4870007767","466:4660013029","466:4660014333","487:4870008060","487:4870005580","496:4960008493","490:4900000163","496:4960006890","487:4870003277"],"twin_admin_codes":[487,487,466,487,487,466,487,487,487,487,487,487,487,466,487,487,487,466,466,487,487,496,490,496,487],"twin_sims":[0.7701706394375128,0.512336657583773,0.4854887791245314,0.48477674531109993,0.47608108600382565,0.4669489641462077,0.43319981970229554,0.4163444232141122,0.3939200356077787,0.38134820844031975,0.3771400754991281,0.37103237711814346,0.3685892662431253,0.36573279307798295,0.3533882283485091,0.34112531561489645,0.3398309853491381,0.3320298884410113,0.321055885390226,0.312424697147794,0.3082907142990241,0.2935919683990401,0.28913409758521014,0.2878543925000188,0.2822194698814132],"twin_dists":[0.09385948940147565,0.15020290028190092,0.15613042905475688,0.15628891102755604,0.15823031415537897,0.1602816730273535,0.167991148763753,0.1719297300245002,0.17727818474421858,0.18033785882997289,0.18137274236345322,0.18288485651969208,0.18349315037988162,0.1842069227484165,0.1873245809450328,0.1904781377730427,0.19081447557250678,0.19285642350815782,0.19577389577705936,0.19810792294320698,0.19923881354932577,0.2033325473794313,0.20459784626388852,0.20496321592378638,0.2065837540274729],"n_dims_used":43,"mean_confidence":0.9106939448866733},"coverage":{"mean_confidence":0.9106939448866733,"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}}