{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002144},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003730","490:4900002752","490:4900002299","487:4870001864","490:4900003051","490:4900002761","487:4870001950","487:4870001292","490:4900003612","490:4900003869","487:4870000680","490:4900003348","490:4900004163","487:4870001776","490:4900002625","487:4870012218","490:4900002295","487:4870002376","487:4870012866","487:4870001683","487:4870000540","487:4870002639","490:4900003609","487:4870012574","490:4900001869"],"twin_admin_codes":[490,490,490,487,490,490,487,487,490,490,487,490,490,487,490,487,490,487,487,487,487,487,490,487,490],"twin_sims":[0.6565987842830039,0.5231297515711137,0.5055115922331518,0.4188490904612956,0.4115166254301999,0.39987913252389484,0.3636387849269025,0.3300339296381723,0.32409989630288194,0.30702595306784924,0.3023382260679343,0.3001664365877259,0.2909840026881034,0.2864739748198913,0.26722296625200015,0.26057168644625806,0.2556878483212097,0.2535685007610694,0.2468968496115931,0.24434467638327625,0.24192991804732097,0.2406229062198445,0.23017473276481565,0.22679343149774303,0.2227582954784765],"twin_dists":[0.1191285549365903,0.1478432379612737,0.15170144122830947,0.1713402948784286,0.17307020357350925,0.1758438157952109,0.18473195259101824,0.19338305164606398,0.19495916831624546,0.19958653813943425,0.20088262039927257,0.20148704432375553,0.2040713803548268,0.2053584317572644,0.2109948362909581,0.21300027805632588,0.21449336176495068,0.21514689992397285,0.2172272337100726,0.21803257154829936,0.21879955990546998,0.2192167683604938,0.22260627687715767,0.2237248293874825,0.2250742455346431],"n_dims_used":45,"mean_confidence":0.9133675469292535},"coverage":{"mean_confidence":0.9133675469292535,"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}}