{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009473},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009259","490:4900009161","490:4900009265","490:4900009467","490:4900009466","490:4900009569","490:4900009477","490:4900009058","490:4900007936","490:4900010171","490:4900008942","490:4900009580","490:4900007716","490:4900009674","490:4900009874","490:4900009168","490:4900009567","490:4900010268","490:4900008493","490:4900008830","490:4900009054","490:4900008952","490:4900009275","490:4900008603","490:4900008384"],"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":[0.6613788591516939,0.5125071233439131,0.4912142580266078,0.4826562840616895,0.45675912741270425,0.43340703059902014,0.428799458578565,0.41374878823455163,0.4079580314476115,0.37134390009919177,0.32182341939443704,0.3174750656150795,0.31724856403190127,0.3131461447759025,0.30743375591406163,0.3014295687929564,0.30017800512256465,0.29333080366939157,0.2783591334421687,0.2763981402425916,0.2754518017642182,0.2708095163040544,0.2683376307661692,0.2661135197440598,0.2659374053665507],"twin_dists":[0.11809704196164396,0.1501655380440884,0.15485863490885735,0.15676130440627678,0.1625869965137755,0.16794312636523087,0.1690131641031397,0.17254218199943216,0.17391459318199742,0.18280743567470129,0.19556806057125806,0.19673785814497113,0.1967990380532124,0.19791144230288368,0.19947432971963167,0.20113519686057788,0.2014838179705975,0.20340635913934446,0.20770525531311956,0.20827858722126483,0.20855615541377734,0.20992631848611623,0.21066180508969273,0.2113271663876719,0.21137999992615678],"n_dims_used":45,"mean_confidence":0.9200359768337674},"coverage":{"mean_confidence":0.9200359768337674,"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}}