{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000505},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000406","480:4800000372","480:4800001090","480:4800000377","480:4800001084","480:4800000432","480:4800000307","480:4800000408","480:4800001012","480:4800000513","480:4800000464","480:4800000608","480:4800001049","480:4800000726","480:4800000648","480:4800000374","480:4800001010","480:4800000444","480:4800000886","480:4800000352","480:4800000603","480:4800000435","480:4800001140","480:4800000688","480:4800000474"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.5073847074559007,0.49590545220100296,0.42907238657803637,0.2728423162128687,0.23952598329187202,0.23491812036696108,0.2278585140182727,0.22658115328171727,0.207806456605458,0.19350577285386814,0.19269265801762192,0.18719043486103215,0.18701016533386902,0.18458420615509422,0.1707989836942247,0.16060515238903386,0.15785084050160525,0.15421769178981407,0.15401778617241443,0.149737371186806,0.14923000307808762,0.14805163166773427,0.13203378981502728,0.12186148167577533,0.1182447071770203],"twin_dists":[0.15128964930035696,0.1538198678865003,0.1689496508355525,0.20932457765114962,0.21956805127751977,0.22105524786005012,0.22337131120104708,0.2237954194039483,0.23022231164556264,0.23538817916242605,0.23568972752129724,0.23775395694131388,0.2378223017277947,0.23874657955515646,0.24416873007174805,0.24838348137284297,0.24955542343991766,0.25112434222209756,0.2512114498113629,0.2530968456152003,0.25332294365686275,0.25385025580744375,0.2613478352365265,0.2664719570490789,0.26837229690647413],"n_dims_used":43,"mean_confidence":0.9148866520371548},"coverage":{"mean_confidence":0.9148866520371548,"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}}