{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008811},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009144","490:4900009353","490:4900009140","490:4900008585","490:4900009648","490:4900008590","490:4900008923","490:4900009555","490:4900009033","490:4900009146","490:4900009655","490:4900009459","490:4900008927","490:4900009356","490:4900008910","490:4900009019","490:4900009456","490:4900009250","490:4900009657","490:4900008928","490:4900008920","490:4900008695","497:4970001168","490:4900009656","490:4900009458"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,497,490,490],"twin_sims":[0.21160021225835401,0.04280713890664387,0.01909675786713285,0.00554332396251159,0.004662313175295142,0.0014904840263501064,0.0005277151874256331,0.00030251466223534977,0.00023863238337322148,0.00016546167612323137,0.0001582819819154191,0.0001520428838853609,0.00011781267807225442,0.00009058147091382106,0.00007481099558284884,0.00003593749260453934,0.000035715183142770114,0.00002307737915936143,0.000019953276948276954,0.00001850748897053856,0.000017660908530024156,0.000013928252167418409,0.000013752151119872309,0.000013708835149716325,0.0000115462716208678],"twin_dists":[0.22889298475451264,0.3260367221985484,0.3654178219881719,0.4186377118567808,0.42555426750674313,0.4685807558339654,0.5045737938592116,0.5228438070788668,0.5304410609798523,0.5419602118330259,0.5433391158648495,0.5445861329014254,0.5524297892721496,0.5603978294506147,0.5661260240511435,0.5875648533758049,0.5877429611956083,0.6001454296293667,0.6042198097490005,0.6063159552808864,0.6076171168710783,0.6141729008096403,0.6145222493435679,0.6146088341632625,0.6193024577243722],"n_dims_used":45,"mean_confidence":0.8823046366373698},"coverage":{"mean_confidence":0.8823046366373698,"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}}