{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":487,"cluster_id":4870001801},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["665:6650003270","665:6650003349","487:4870001802","494:4940000904","480:4800006488","487:4870011625","494:4940001026","494:4940000792","487:4870011626","487:4870000862","494:4940000965","665:6650002133","492:4920002850","665:6650001646","494:4940000677","487:4870002386","665:6650002434","494:4940000389","480:4800006458","494:4940000962","480:4800006493","665:6650002513","494:4940000390","494:4940000735","665:6650001816"],"twin_admin_codes":[665,665,487,494,480,487,494,494,487,487,494,665,492,665,494,487,665,494,480,494,480,665,494,494,665],"twin_sims":[0.4690558121061945,0.39442657195646014,0.271375434225552,0.2463259643450568,0.244783538812048,0.24291050833812378,0.238364428225617,0.23749485530149583,0.2314555082258146,0.22697492666483904,0.22630643826424268,0.22267782229973143,0.22242576951355797,0.2181460997843079,0.21791582831312628,0.20445518855821201,0.1923139059506785,0.18957811494279678,0.18380705758106575,0.18340329535830824,0.1813779391771891,0.18115142858591826,0.1768011795727386,0.17617444201057808,0.1672024910575463],"twin_dists":[0.15980722030463831,0.1771558736903806,0.20975851902922127,0.21740690956328218,0.21789370410503897,0.2184875054349669,0.21994117428538965,0.2202212804289223,0.2221854234483045,0.22366451055439282,0.22388683700791348,0.22510132197045263,0.22518617126756788,0.22663676754687578,0.22671535695781858,0.23141042229074044,0.23583049242265308,0.23685304810507626,0.23904447581092517,0.2391995962511717,0.23998137076416284,0.2400691852338904,0.2417710091679131,0.24201863308325883,0.2456344905868869],"n_dims_used":43,"mean_confidence":0.8967813891033793},"coverage":{"mean_confidence":0.8967813891033793,"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}}