{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001273},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001459","480:4800001727","480:4800001953","480:4800002485","480:4800001522","480:4800001504","480:4800001287","480:4800001897","480:4800002016","480:4800002001","480:4800001505","480:4800001672","480:4800002202","480:4800002532","480:4800002544","480:4800002399","480:4800002120","480:4800002055","480:4800002533","469:4690004300","480:4800001675","480:4800001264","480:4800001336","480:4800002294","480:4800002169"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,469,480,480,480,480,480],"twin_sims":[0.3817545512906269,0.31136841958299205,0.31071803784824176,0.30585229181117857,0.27343177589450857,0.26848778953014235,0.25029040089083515,0.23887760669326727,0.20194080556636884,0.20052673613054597,0.19785264423204668,0.19711172764886647,0.19399468365980113,0.1850480009895612,0.18345932373920712,0.17461762864950023,0.17144472384703893,0.1709842060475642,0.1705107650217448,0.161213652284866,0.15899414766143125,0.15820596596723832,0.15469448612088782,0.1535743807369174,0.15018333016752256],"twin_dists":[0.18023822188354183,0.19839605927473675,0.19857375130551932,0.19990995585489332,0.20915060473383607,0.21061700739255526,0.21616463790045456,0.2197761818702691,0.23231062109697712,0.2328202735959985,0.2337908697735654,0.2340613969183523,0.23520728789897696,0.23856921852421387,0.23917805646371076,0.24263645674774192,0.24390790910663623,0.244093844700293,0.24428537273990605,0.24812654282164695,0.24906716056397563,0.24940348776771928,0.25091691551483325,0.2514049569826322,0.25289857886636485],"n_dims_used":43,"mean_confidence":0.9210673487463663},"coverage":{"mean_confidence":0.9210673487463663,"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}}