{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800003886},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003090","494:4940001196","490:4900002784","490:4900006057","490:4900002780","493:4930006922","490:4900003075","488:4880000317","490:4900005677","490:4900000918","481:4810000116","466:4660003273","496:4960010144","488:4880000316","490:4900002487","493:4930006238","466:4660008083","466:4660003107","493:4930007144","488:4880003163","493:4930006533","494:4940000980","487:4870002122","490:4900008540","494:4940005608"],"twin_admin_codes":[490,494,490,490,490,493,490,488,490,490,481,466,496,488,490,493,466,466,493,488,493,494,487,490,494],"twin_sims":[0.36878636155264727,0.3420180568820578,0.3329172078600536,0.31328401242885523,0.2870717395519807,0.28683281354291595,0.2858778020638325,0.272630797675965,0.2503192579560356,0.23254710744025028,0.23225456638914357,0.23160845482156575,0.22525985393578535,0.22443821149237442,0.2241037469983488,0.22331396397424938,0.21795325133828586,0.21450020877013823,0.21426900617116965,0.21273806746573398,0.21245470291718765,0.2107276321293057,0.2066976036146327,0.20636541927671712,0.20511271411708978],"twin_dists":[0.18344400264385585,0.19024655265918025,0.192622862797812,0.1978739244753537,0.20518715094793158,0.20525558604573874,0.20552947013818604,0.20938706149759653,0.21615564178517999,0.22182794058428598,0.2219236350819301,0.22213526893840377,0.22423578789072957,0.2245104945258521,0.22462251044301723,0.22488746014076733,0.22670258104859986,0.22788769286907454,0.2279675015133614,0.22849743925585853,0.22859580923627448,0.22919729237667272,0.23061396985956217,0.2307315798662683,0.23117626825446583],"n_dims_used":43,"mean_confidence":0.9214687790981558},"coverage":{"mean_confidence":0.9214687790981558,"n_dims_used":43,"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}}