{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010576},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010913","490:4900010485","490:4900011072","490:4900009734","490:4900009637","490:4900010839","490:4900011955","490:4900009006","490:4900010914","490:4900011074","490:4900011956","490:4900011152","490:4900011647","490:4900011083","490:4900012097","490:4900011954","490:4900010398","490:4900009839","490:4900009938","490:4900011233","490:4900009733","491:4910005409","490:4900009737","490:4900011850","490:4900007901"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,490],"twin_sims":[0.4587924120660103,0.2624256681010316,0.24456327997145758,0.22158172253086172,0.17820774442631607,0.15803776213807658,0.14950060741500487,0.14036770959158718,0.12553258915273047,0.12501144896896976,0.11470773489037303,0.1093892434204239,0.10813230494102571,0.10648076897408867,0.10352308862112736,0.10293417359025979,0.08938548842110956,0.0889173651243534,0.0883999988015232,0.08026268545318227,0.07179773937989375,0.07040784276948137,0.06724432983739541,0.06601191197650583,0.06548561144357974],"twin_dists":[0.1621255464415948,0.21243809366269506,0.2179633796194382,0.22547077360454537,0.2412175397702955,0.24947542049698598,0.25320228409384754,0.25736718298669997,0.26458655052531926,0.2648516223378875,0.2702742577110445,0.27322102560862527,0.2739335737292983,0.274879644347746,0.27660281647181245,0.2769504902099621,0.28541654960370044,0.28572669518505517,0.2860709764759532,0.29170922695444956,0.2980840057402433,0.2991881227879271,0.30176876258117674,0.30280091569628514,0.3032464894927288],"n_dims_used":45,"mean_confidence":0.886915757921007},"coverage":{"mean_confidence":0.886915757921007,"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}}