{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001395},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001506","480:4800001444","480:4800002340","480:4800002057","480:4800001667","480:4800002172","480:4800001554","480:4800001954","480:4800001389","480:4800002209","480:4800001666","480:4800001393","480:4800001508","466:4660004548","480:4800002308","469:4690001168","480:4800001440","480:4800001270","480:4800001835","480:4800002247","480:4800001856","480:4800001943","480:4800001610","480:4800001502","480:4800001909"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,466,480,469,480,480,480,480,480,480,480,480,480],"twin_sims":[0.4888709821862979,0.41534744765445597,0.35433763445945093,0.27124178137655747,0.25883485193402533,0.2385507839710095,0.2325801855073697,0.22661701134007536,0.21410291970602247,0.20493586847438244,0.19997988586967097,0.1979258944098857,0.1926884661350979,0.19055470110014522,0.18791242232435754,0.1845886294094003,0.1756289991312752,0.17201912857369894,0.1658491233759268,0.16380723723269403,0.16273807966254175,0.1599483193770894,0.15537628683070606,0.1538517415739992,0.1516148232599665],"twin_dists":[0.1553785999626035,0.17216477566947977,0.18708283986817367,0.20979812874607254,0.2135292239557096,0.21988123218363576,0.22181712524050323,0.22378349225354274,0.22802486867602892,0.23123919487531094,0.23301803042062275,0.2337641623867948,0.23569128439815532,0.23648685452762155,0.23748069483949164,0.23874488656574802,0.2422346484528377,0.2436764921097663,0.24619193616096577,0.2470392275468556,0.24748593078467226,0.24866162363171293,0.250621113497311,0.25128386568174704,0.2522650717088025],"n_dims_used":43,"mean_confidence":0.9210511141045149},"coverage":{"mean_confidence":0.9210511141045149,"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}}