{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001934},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001787","490:4900013341","490:4900000748","494:4940007844","490:4900001786","490:4900013297","494:4940007948","494:4940007740","489:4890005321","489:4890005462","490:4900013267","490:4900000747","489:4890005380","489:4890005401","477:4770002749","490:4900005451","477:4770002750","477:4770002673","476:4760001521","489:4890005354","477:4770002975","478:4780004390","489:4890005350","484:4840001398","484:4840001243"],"twin_admin_codes":[490,490,490,494,490,490,494,494,489,489,490,490,489,489,477,490,477,477,476,489,477,478,489,484,484],"twin_sims":[0.004645854617919692,0.003385165706057836,0.0026588089053804177,0.002482619649783202,0.0023220338897500838,0.002093355925922263,0.0017851134635983896,0.0016961042419326928,0.0015797880958575306,0.0011429623068357983,0.0009118232604811614,0.0008463124467237531,0.0008139445325357924,0.0007647097916432136,0.0007437707325629437,0.0007173591842522048,0.0007128054059761354,0.0007078089016967869,0.00065541776333846,0.0006417271835407382,0.0005884888129746685,0.0005288488024098208,0.0005248753083767448,0.0004470693975456378,0.00044516071760570825],"twin_dists":[0.4256944130355937,0.4380584796629054,0.44726167702077685,0.4498399668485106,0.4523404333753998,0.45619000340872495,0.4620420024705597,0.46390546138872424,0.466481409454758,0.4780415736448564,0.48594806941763913,0.48852912714576324,0.48987370023776433,0.492017428972348,0.4929683032388975,0.4942038725532195,0.49442117439237016,0.49466109477049286,0.4972764282970869,0.49799194032972244,0.5009167432857428,0.5045020551082011,0.5047541441480419,0.5100876240627983,0.5102290827357396],"n_dims_used":44,"mean_confidence":0.9142369357022372},"coverage":{"mean_confidence":0.9142369357022372,"n_dims_used":44,"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}}