{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001557},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001618","480:4800001442","480:4800001553","480:4800001376","480:4800001614","480:4800001612","480:4800001957","480:4800002388","480:4800001611","480:4800001556","480:4800002450","480:4800001564","480:4800001675","480:4800002246","480:4800001448","480:4800002529","480:4800002021","480:4800001336","480:4800001970","480:4800000326","480:4800001403","480:4800001335","480:4800001714","480:4800001615","480:4800001955"],"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":[0.6453694231047232,0.5920947141163889,0.5902453033476155,0.5466814196044097,0.508808207033212,0.49288831405056127,0.4475621004928812,0.4294231800746745,0.4042965629000465,0.39826589691725406,0.38981859495918325,0.34708571579712094,0.34054027436205814,0.3334226870653845,0.3160309042424811,0.28929020738182737,0.2878167904370954,0.28203808461540486,0.2796901942529045,0.2688370420444417,0.2647760402358237,0.2619731114204513,0.2581535637898148,0.2497518218719179,0.24301850022797056],"twin_dists":[0.12154647583018767,0.13296619105762425,0.13336245189663734,0.1427307096281086,0.15097697012428044,0.1544876187175835,0.1646837155976778,0.16886804169706396,0.17478680119564718,0.17623115290826383,0.17827124782390882,0.18893801082172296,0.19063007863893233,0.1924899620993628,0.19712836145015605,0.20455334139740391,0.20497396639632987,0.2066362409360978,0.20731749629272714,0.21051287296885715,0.21172895125414706,0.2125750924412476,0.213737317721265,0.2163326603092717,0.2184531888935096],"n_dims_used":43,"mean_confidence":0.9201339899107467},"coverage":{"mean_confidence":0.9201339899107467,"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}}