{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003811},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004227","490:4900001382","490:4900004231","490:4900004367","490:4900004091","490:4900003513","490:4900003812","490:4900003671","490:4900004912","490:4900004485","490:4900007451","490:4900006567","490:4900006816","490:4900007298","490:4900005050","497:4970002516","490:4900004766","490:4900005049","490:4900006680","490:4900006945","490:4900005453","490:4900001251","490:4900005584","497:4970002056","497:4970002137"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,497,490,490,490,490,490,490,490,497,497],"twin_sims":[0.11428351674103304,0.07627831912186839,0.07005431519873176,0.027073116669655506,0.023004139557560862,0.01861503005422292,0.015914830177217267,0.008718259495659778,0.006318562811349403,0.006001367352996723,0.004707198631536971,0.0025918154701235594,0.001999633542038337,0.0018639075308248532,0.0015447562976752443,0.0010416828997499366,0.0009775936342362645,0.000897533098075565,0.0008415636107018636,0.000818170977340237,0.0008177030999528154,0.0007908129487268916,0.0005723294780023453,0.0004774576773172358,0.0004707966810861232],"twin_dists":[0.2705053887103732,0.2946386176997445,0.2994717790549367,0.3489355060835411,0.3567215567573209,0.3665952573222854,0.37373643825000874,0.39997697257277914,0.41333006009925943,0.4154265625571158,0.4251743330749693,0.44822305542915913,0.457880470125524,0.4604624870710581,0.4672915499099311,0.48130432602554896,0.48352452955184133,0.48649604992865436,0.4887233716145052,0.4896953400530182,0.4897150427272856,0.4908654000596919,0.5018534283022162,0.5079083865677086,0.5083747392217128],"n_dims_used":45,"mean_confidence":0.9091132269965277},"coverage":{"mean_confidence":0.9091132269965277,"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}}