{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012123},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011040","490:4900004804","490:4900011029","490:4900004668","490:4900010795","490:4900011741","490:4900005350","490:4900011045","490:4900010364","490:4900011111","490:4900011614","490:4900005067","490:4900010090","490:4900010711","490:4900010289","490:4900011994","490:4900012188","490:4900011923","490:4900011805","490:4900009269","490:4900011869","466:4660007276","490:4900011613","490:4900010627","490:4900011028"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,466,490,490,490],"twin_sims":[0.21761210947006482,0.20515709096256338,0.15827990091596258,0.1384528893856863,0.10945949749262264,0.1054398499805293,0.07956458012910213,0.07330150514948851,0.07021342431226646,0.06473256203385234,0.06425977588974567,0.06382076871381481,0.06148916997200182,0.06038647104150897,0.050421652287092576,0.04946828439443499,0.04563298474086601,0.04295332427306987,0.04290615450698394,0.04266816955234312,0.0406263038443016,0.04048493536484177,0.035615000522682794,0.03377309037391138,0.03342897212726806],"twin_dists":[0.22681909861601307,0.23116048356145577,0.24937188696292553,0.2582658048143672,0.27318138662221075,0.2754817974053721,0.2922139171143176,0.29690876567960456,0.29934397285804376,0.30388914565173925,0.3042957526248707,0.30467550547539,0.3067290184762349,0.30772252776909814,0.3174539809029805,0.31846662481761356,0.32271259407044744,0.32586030298255003,0.3259171730644904,0.32620490358071247,0.3287307506626025,0.3289095604338058,0.3354177224199885,0.3380775816450651,0.3385881599876694],"n_dims_used":45,"mean_confidence":0.9157560560438368},"coverage":{"mean_confidence":0.9157560560438368,"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}}