{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000884},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000772","490:4900001024","490:4900003844","490:4900000765","490:4900000924","490:4900001695","490:4900000690","490:4900001981","490:4900004010","490:4900003589","490:4900002465","490:4900002490","490:4900000898","490:4900001866","490:4900001846","490:4900006750","490:4900002453","494:4940008576","490:4900007366","490:4900004585","494:4940007073","490:4900003622","490:4900002600","494:4940008658","490:4900001829"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,494,490,490,494,490],"twin_sims":[0.5792147006784647,0.5634048955031864,0.5348791861629816,0.5315625263602393,0.5248051764167642,0.5190910771240731,0.49134565507681927,0.47897942025862034,0.476591870640297,0.47048915651611517,0.46162431166536516,0.45922574230101304,0.45651282273471083,0.4562039258768295,0.4522517063823305,0.4479908096416859,0.44488642069025286,0.44292082981574066,0.42904748808177845,0.42529352247796764,0.4070352072404943,0.40665619895279903,0.4019315327856553,0.40135569748691596,0.39755094030116567],"twin_dists":[0.13572748365283413,0.1391242198386686,0.14528705184381335,0.1460073970642009,0.14747797633881315,0.14872482374252657,0.15482950026636363,0.15758198199566062,0.1581159634137765,0.1594848516021152,0.1614840695932395,0.1620272980155633,0.16264294517695282,0.16271312725996542,0.16361261742666552,0.16458562487705045,0.16529673150508245,0.1657479596756806,0.16895544429673445,0.1698305169418878,0.17413409233247626,0.17422430559888363,0.17535206003303333,0.17548991538482617,0.1764030426433233],"n_dims_used":45,"mean_confidence":0.9174326578776042},"coverage":{"mean_confidence":0.9174326578776042,"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}}