{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":479,"cluster_id":4790001404},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["479:4790000492","479:4790001405","479:4790001797","470:4700007987","479:4790000417","479:4790001332","479:4790001331","479:4790000900","479:4790001479","479:4790000892","479:4790000487","479:4790001104","479:4790000549","479:4790001480","479:4790001401","479:4790000889","479:4790000547","479:4790000624","479:4790000822","479:4790001798","479:4790000221","479:4790001562","479:4790001477","479:4790001250","479:4790000891"],"twin_admin_codes":[479,479,479,470,479,479,479,479,479,479,479,479,479,479,479,479,479,479,479,479,479,479,479,479,479],"twin_sims":[0.9314762190746065,0.9308074459908747,0.9236796397662872,0.9138799491847889,0.8987579420848374,0.8808708505663738,0.8738135530555519,0.869701305029241,0.8627211693259863,0.8433158292236532,0.8381839820194475,0.8339606201281827,0.8180577491716133,0.8041705260806088,0.8000237143033544,0.7723227874026772,0.7721066585222419,0.7671076033421049,0.7666334965663615,0.7654831116826611,0.7606604035237438,0.759601789587121,0.7561217444595145,0.7519535926745325,0.7413808293008666],"twin_dists":[0.04893515538927074,0.04918209756683086,0.05175135005336517,0.05511823750840089,0.06000750392317476,0.06541453371068466,0.0674568267347326,0.06862621339153444,0.07057904346494234,0.07582128674010445,0.07716723104523551,0.07826359792994642,0.08230853332927189,0.08574548043725132,0.086756528645634,0.09335666836123029,0.09340722282441646,0.0945729209149413,0.09468312103072901,0.09495026434700372,0.09606644215278914,0.09631065780324749,0.09711153701621968,0.09806696355433801,0.1004729794046605],"n_dims_used":45,"mean_confidence":0.9210906982421875},"coverage":{"mean_confidence":0.9210906982421875,"n_dims_used":45,"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}}