{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001549},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910002251","491:4910002357","491:4910001313","491:4910001241","491:4910001492","491:4910001734","491:4910002152","491:4910002198","491:4910001950","491:4910001613","491:4910001957","491:4910001312","491:4910001493","491:4910001675","491:4910001716","491:4910001902","491:4910001550","491:4910001246","491:4910001377","491:4910001378","491:4910002007","491:4910001245","491:4910001793","491:4910001305","491:4910001899"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491],"twin_sims":[0.5734909707230881,0.5476457040552692,0.493274775840047,0.46738767566499523,0.4668796922134968,0.44750689756338324,0.40746878569935463,0.3992667525920087,0.3986451632858592,0.3801954583442066,0.37942318249263884,0.35215608353732575,0.33253394695725597,0.33051988366757573,0.3286102502428058,0.3276054134176024,0.3038304829349918,0.28908406958235555,0.28600259056645866,0.27251503344089156,0.27155535979577733,0.2715025868572486,0.2688745694832908,0.2666826701038364,0.2615441509744385],"twin_dists":[0.1369560906393231,0.1425222914602144,0.15440202100081502,0.16018281693037284,0.1602972851796419,0.16469634887367787,0.17403093572318656,0.1759907639475074,0.1761400270116031,0.1806207965902918,0.18081058025231028,0.18763881750075648,0.192723703201054,0.19325467367183527,0.19375975415072252,0.19402617298806796,0.2004687790785164,0.2046121116300779,0.20549365135697986,0.20942127157737858,0.20970521479677326,0.2097208468986479,0.21050168863613644,0.21115657238655494,0.21270508511653907],"n_dims_used":45,"mean_confidence":0.8982767740885417},"coverage":{"mean_confidence":0.8982767740885417,"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}}