{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004490},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001241","490:4900002840","490:4900001925","490:4900003942","490:4900001109","490:4900007182","490:4900005947","490:4900004078","490:4900002979","494:4940005433","490:4900003379","490:4900003808","490:4900002668","490:4900000751","494:4940004805","494:4940005310","490:4900007061","490:4900006078","494:4940005058","490:4900003931","494:4940004440","490:4900005296","490:4900006064","490:4900006210","490:4900012376"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,494,490,490,490,490,494,494,490,490,494,490,494,490,490,490,490],"twin_sims":[0.25306956161986427,0.0556362561288613,0.031025419783755667,0.023179261781228363,0.014771792431100697,0.011151542485205914,0.01024599475247532,0.009056143378661393,0.008799487060652186,0.008675085492451154,0.00807356522235529,0.006782840154651571,0.005967977123517352,0.005209272001573283,0.0048930721025723725,0.004686944774267488,0.0045617565823318695,0.004489165712278944,0.004377882142141519,0.0035679171533404765,0.003421622642804741,0.0032443074190912913,0.003170311293397693,0.0031152491912038094,0.0030732827146616316],"twin_dists":[0.21530126062022803,0.3121811074145584,0.342285112715649,0.35636278006945304,0.37708519316929445,0.3894579428907577,0.3931087873842551,0.39837025093573053,0.3995856963271094,0.40018627255209965,0.40320371184650977,0.4104263687762045,0.41565303492824485,0.4211345284839852,0.4236351663850327,0.42534536395888844,0.4264176189043452,0.42705166125517646,0.42804196589718857,0.43602922698258156,0.4376458197497882,0.4396919279817697,0.44057612722997597,0.44124639198946203,0.4417645510882183],"n_dims_used":45,"mean_confidence":0.9202994452582465},"coverage":{"mean_confidence":0.9202994452582465,"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}}