{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001787},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001786","490:4900002540","490:4900002539","490:4900002391","490:4900001935","490:4900002242","490:4900002089","490:4900001788","494:4940003837","490:4900002241","490:4900012534","494:4940004438","490:4900013016","494:4940004079","490:4900002088","490:4900013015","490:4900012977","490:4900001934","490:4900007167","494:4940005574","490:4900006555","490:4900012462","490:4900012978","494:4940004200","490:4900000748"],"twin_admin_codes":[490,490,490,490,490,490,490,490,494,490,490,494,490,494,490,490,490,490,490,494,490,490,490,494,490],"twin_sims":[0.8084748707579726,0.5515522520397406,0.33711483876142495,0.1883939830190553,0.1780866793337478,0.13225942353964001,0.07826306760714397,0.058796166260749676,0.01562428009289132,0.014652356272062236,0.012600198212901016,0.012170531469105307,0.011193544929658029,0.011183848297998842,0.010347601903957542,0.009143600126982726,0.004654364438807185,0.004645854617919692,0.004424598308000224,0.003928930932965771,0.003490255198468748,0.0029285888545899767,0.002426414049652072,0.0019750805026387363,0.0017435504720339473],"twin_dists":[0.08468885813042831,0.14167856556227568,0.19152252402448575,0.23729883979531022,0.24126505534231604,0.2612376131881161,0.29316440406896327,0.3091819565497567,0.3745670799905961,0.3774481571674524,0.38413188270363685,0.3856523433308458,0.389295087944582,0.38933263615582264,0.39268514967801993,0.39796311055843003,0.4256218953236458,0.4256944130355937,0.4276234905447101,0.43228456958628736,0.43687972307721895,0.44360207120232986,0.4506978108156747,0.4583353689177422,0.4629012319902782],"n_dims_used":44,"mean_confidence":0.9138896248557351},"coverage":{"mean_confidence":0.9138896248557351,"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}}