{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011530},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011595","490:4900012137","490:4900011664","490:4900011729","490:4900011724","490:4900011796","490:4900011035","490:4900011119","490:4900012122","490:4900011034","490:4900011792","490:4900011118","490:4900011528","490:4900011601","490:4900010949","490:4900011789","490:4900011922","490:4900010628","490:4900011113","490:4900011989","490:4900011920","490:4900011799","490:4900011186","490:4900011461","490:4900011864"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.6099102292405553,0.5546671941590682,0.5454398862715073,0.5374953092191559,0.520618847726043,0.5013562433686205,0.49014770166389177,0.47952185533643626,0.4646299763638022,0.4611455072850875,0.45854050431731125,0.44338031993606175,0.4165569344842238,0.40984829387972127,0.3950643121500343,0.3894575101304201,0.38814674995874104,0.3870099020242163,0.37814836533957774,0.3693953714706096,0.36357831471493685,0.35984531671438524,0.3453768545494275,0.33622613338518126,0.3316464038426963],"twin_dists":[0.12915082329315228,0.1410064953202438,0.14299914500757857,0.14471949098018835,0.14839114544518023,0.15261643409787137,0.15509520804146254,0.1574607845997429,0.16080474980207662,0.16159242911712793,0.16218267644938256,0.16564240858968945,0.1718796599363297,0.1734656669752993,0.17700198469490558,0.1783589090482396,0.1786774463226961,0.17895413095345883,0.18112427116099974,0.18329222247100224,0.18474713690685357,0.18568700217299364,0.189378123824161,0.1917548605590068,0.19295747005838185],"n_dims_used":45,"mean_confidence":0.9130883110894097},"coverage":{"mean_confidence":0.9130883110894097,"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}}