{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004008},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003058","490:4900002639","490:4900003724","490:4900004304","490:4900003866","490:4900002601","490:4900004292","490:4900003728","490:4900002301","490:4900003457","490:4900003199","490:4900003593","490:4900002452","490:4900003741","490:4900001996","490:4900003063","490:4900004307","490:4900003084","490:4900002750","490:4900002916","490:4900003744","490:4900002908","487:4870011453","490:4900004009","487:4870011463"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,487,490,487],"twin_sims":[0.6872406972325777,0.6865429666472266,0.6766943334385567,0.6244106678405832,0.6015896330410148,0.5971976263374856,0.5723658796153764,0.5616750238432778,0.55239371805995,0.5202751343651586,0.5190390881155458,0.518365851233528,0.4889249166217211,0.48490489425742656,0.4828015194813534,0.48109868294906166,0.4658996960812639,0.46185746115586906,0.4529733636607946,0.4427955614311338,0.43977350067692106,0.41371774318655885,0.41044166199063026,0.40743427500077944,0.40010731876780387],"twin_dists":[0.1124852056511043,0.11263742083864327,0.11478077790401842,0.12604477979687936,0.13093251703654338,0.13187309730431757,0.1371977317618044,0.1394965472858001,0.14149695511640448,0.1484661952942911,0.14873618267101754,0.14888330072600242,0.1553666237044836,0.1562603827841528,0.1567289284265646,0.15710871882707098,0.1605182371562888,0.16143131927387727,0.16344815990775202,0.16577674284335106,0.16647208796341795,0.17254951725195578,0.1733249335525195,0.17403914469551618,0.17578908584931607],"n_dims_used":45,"mean_confidence":0.9183538648817274},"coverage":{"mean_confidence":0.9183538648817274,"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}}