{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004596},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["494:4940007821","490:4900003901","494:4940007820","494:4940008229","490:4900002633","490:4900001035","490:4900003088","496:4960006754","490:4900007755","494:4940007904","490:4900001190","494:4940008428","496:4960004824","494:4940008595","493:4930006956","494:4940008677","494:4940007064","494:4940008522","494:4940008110","494:4940008684","487:4870004559","490:4900005540","494:4940007600","490:4900003335","490:4900005382"],"twin_admin_codes":[494,490,494,494,490,490,490,496,490,494,490,494,496,494,493,494,494,494,494,494,487,490,494,490,490],"twin_sims":[0.4789294124126269,0.47433767708925867,0.4660596777183138,0.4474956798954196,0.44669207594652444,0.4024857261578101,0.379962977106743,0.3796356292682304,0.3737010960817429,0.37049275015265315,0.3674193723396477,0.36470126093553523,0.36167592572108764,0.3597955293296934,0.35105121831319114,0.34886909664330884,0.3452025626190879,0.339902632201254,0.3360230245665023,0.3325550991169295,0.33053572457884345,0.3269311524657914,0.32119613588385726,0.3177968192259287,0.31440413941386824],"twin_dists":[0.15759315756611358,0.1586209184649067,0.16048215642938207,0.16469891612642132,0.16488289074601065,0.17521946994592086,0.18067790828951596,0.1807583537064172,0.18222265413105992,0.18301904291729343,0.18378514600871848,0.18446536839852853,0.18522548950262954,0.185699570717698,0.18792108102556038,0.18847992256608628,0.18942307696031527,0.19079583986248502,0.19180800644529242,0.19271813616864408,0.19325049060744454,0.19420519700948807,0.19573626323345525,0.19665099221606533,0.1975694526105483],"n_dims_used":45,"mean_confidence":0.9153574625651042},"coverage":{"mean_confidence":0.9153574625651042,"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}}