{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800002939},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800003249","480:4800003631","480:4800003149","480:4800003203","480:4800003066","480:4800003035","480:4800003346","480:4800002652","480:4800003030","480:4800003566","480:4800003036","480:4800002604","480:4800002612","480:4800003567","480:4800002616","480:4800003150","480:4800003447","480:4800002955","480:4800003443","480:4800003341","480:4800003081","480:4800002900","480:4800005599","487:4870008462","480:4800003079"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,487,480],"twin_sims":[0.3276605519261987,0.31906437119774955,0.25908135320949094,0.22885744542351205,0.18579869406643335,0.18399409354176086,0.17854716076343055,0.15052044102118556,0.148572088159248,0.13874295352480692,0.13498793167888792,0.12470006829714032,0.1151645542144651,0.11454232139486491,0.11246202612422404,0.11138949773416955,0.1054121651390231,0.1000409961141657,0.09382445688547168,0.0918164473111367,0.0899875488898274,0.08898178170923537,0.08596060175110247,0.08302153385756583,0.08274914290131767],"twin_dists":[0.19401154208443583,0.19630926417307548,0.21345401725138569,0.2230407423388876,0.23828280557843845,0.23897270030710863,0.24108444789264466,0.25274899188405675,0.2536169751779248,0.2581290844416343,0.25991580321979924,0.26501040321298985,0.27002609824391766,0.2703643032555822,0.2715053824660471,0.2721000523685614,0.27549787556717065,0.2786814304442849,0.2825377441611769,0.28382635271950757,0.28501955440011145,0.2856839405489852,0.28771617888835554,0.2897485119005488,0.2899397606191063],"n_dims_used":43,"mean_confidence":0.9134242922760719},"coverage":{"mean_confidence":0.9134242922760719,"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}}