{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":487,"cluster_id":4870003340},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["487:4870003202","487:4870002321","487:4870002481","487:4870003204","487:4870004345","487:4870003762","487:4870002238","487:4870004058","487:4870004485","487:4870003065","487:4870001792","487:4870002486","487:4870003475","487:4870003764","487:4870001877","487:4870001237","487:4870001790","487:4870001523","487:4870003910","487:4870003621","487:4870003338","487:4870002578","487:4870000162","487:4870004350","487:4870004351"],"twin_admin_codes":[487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487],"twin_sims":[0.402670286128581,0.39088793104450525,0.32845834732955964,0.32140824142399615,0.30495428822684306,0.27032145559045273,0.2656342742946946,0.2606853997906562,0.2461277181311379,0.2229546076416634,0.21568611980869137,0.18677732230688596,0.16497431954448072,0.15596292610329154,0.14503971794252019,0.1439450056235735,0.14227651704925953,0.13868719548844274,0.1331438823412684,0.1303582093405737,0.129337825278339,0.1240637111340284,0.12347081728890298,0.12323927141591505,0.12252144515999255],"twin_dists":[0.1751753324685168,0.17801186624565107,0.19380000030709002,0.19567936774016895,0.20015789705800405,0.21007120652331124,0.21147098894880254,0.21296572454294826,0.2174693666184349,0.22500822065488627,0.2274792392003456,0.23791064693336753,0.24655401240632646,0.2503673566460027,0.2552123004579042,0.2557125398212071,0.2564804314581201,0.25815534914342325,0.2608069150213809,0.26217082819714616,0.2626759263156726,0.2653358372151022,0.26564018823172536,0.26575934995457773,0.2661298554184937],"n_dims_used":43,"mean_confidence":0.8972994782203851},"coverage":{"mean_confidence":0.8972994782203851,"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}}