{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000311},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000548","490:4900000255","490:4900000460","490:4900000649","490:4900000877","490:4900000462","494:4940007533","494:4940007641","490:4900000256","490:4900000650","490:4900000384","494:4940006890","494:4940006995","494:4940006891","490:4900000753","490:4900000752","494:4940008269","490:4900003411","494:4940007241","490:4900002275","494:4940006900","494:4940006781","490:4900000549","490:4900000760","494:4940008922"],"twin_admin_codes":[490,490,490,490,490,490,494,494,490,490,490,494,494,494,490,490,494,490,494,490,494,494,490,490,494],"twin_sims":[0.431126700572791,0.42024346003256385,0.26544549118020444,0.2517223540772508,0.23509692690745554,0.22465637101641944,0.22426535700329767,0.16869507583745383,0.15810152687560916,0.1572587324096832,0.15375954929816057,0.14811956168698207,0.09116990787357415,0.08446187004389114,0.0792557653672481,0.07898955384561789,0.07829012330217729,0.05836671189092225,0.055651667028953154,0.05229134347680419,0.051864445026089535,0.051763879108574586,0.05164476449986706,0.051273591588025774,0.05108914773903973],"twin_dists":[0.16847211797854186,0.17101280200487684,0.21152768751614068,0.21571902664467454,0.22099718404611357,0.22443749029116503,0.22456837155453355,0.2450234587298725,0.24944814480506303,0.24980930416562522,0.25132409758656715,0.253819773693077,0.28424599781674587,0.2887454872067694,0.2924383066194371,0.29263230396396334,0.2931445166713445,0.3095816360472458,0.3121661429407608,0.3155134579936365,0.3159513853815768,0.3160549851320549,0.3161779097802848,0.31656247273602234,0.3167544321210753],"n_dims_used":45,"mean_confidence":0.9114749484592014},"coverage":{"mean_confidence":0.9114749484592014,"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}}