{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001908},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001765","490:4900002060","490:4900000975","496:4960010260","496:4960010259","490:4900002515","496:4960010344","496:4960010980","490:4900001229","496:4960011133","490:4900001764","490:4900002815","496:4960010430","490:4900001909","490:4900002214","490:4900001628","496:4960010020","490:4900002517","490:4900001102","496:4960010021","496:4960009933","490:4900003365","490:4900003629","496:4960010261","496:4960010597"],"twin_admin_codes":[490,490,490,496,496,490,496,496,490,496,490,490,496,490,490,490,496,490,490,496,496,490,490,496,496],"twin_sims":[0.9747108995632924,0.677322926104977,0.5773275766542311,0.5386339031498055,0.5346115656718233,0.461944351873623,0.4038865189514796,0.4013903803527645,0.40092849100685574,0.39973504826478556,0.37908608522826237,0.33974400858284665,0.3375794934817327,0.33312921780672455,0.2629954984009898,0.24345925540362895,0.21713399301810818,0.20548363154891214,0.20223926724382688,0.17185011043283202,0.1673480320138285,0.15949446265956338,0.1581786095324904,0.13379962484124847,0.12182709038725886],"twin_dists":[0.029395485859321543,0.11464425295418054,0.1361324340399102,0.14447264514163413,0.14534514250259464,0.16141166256030284,0.17488469791482403,0.17548160975474014,0.17559224670073512,0.17587838138415163,0.18089347913285725,0.19083710150524352,0.1914011798887797,0.19256710771534702,0.2122658038568568,0.21831323241900824,0.2269826068868393,0.23104440596882586,0.23220336483783272,0.24374452884353714,0.24557473690023138,0.24885429921365568,0.24941518300879417,0.2604889801077797,0.26648982294933704],"n_dims_used":44,"mean_confidence":0.9146979938853871},"coverage":{"mean_confidence":0.9146979938853871,"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}}