{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000630},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000629","494:4940008449","490:4900000440","490:4900000979","494:4940008141","490:4900000634","490:4900000534","490:4900000446","494:4940007834","494:4940007939","490:4900000981","494:4940007934","490:4900000445","494:4940007940","494:4940008142","494:4940007837","494:4940006870","490:4900000443","490:4900000308","490:4900000856","490:4900012515","494:4940008140","490:4900012596","494:4940007933","490:4900000439"],"twin_admin_codes":[490,494,490,490,494,490,490,490,494,494,490,494,490,494,494,494,494,490,490,490,490,494,490,494,490],"twin_sims":[0.3618353192228497,0.3331659701134476,0.23544220823335688,0.18290382862897508,0.1814307041635573,0.16152091553466946,0.1354264779340354,0.13147529359661397,0.10029454559103063,0.09330365495295323,0.09238208323559953,0.08692260183740143,0.08589380032466687,0.08524828849257501,0.08516599455006874,0.08474723567566092,0.084610785865306,0.08449308403484253,0.07126921158443647,0.06999209886285226,0.0640879390635299,0.06095844477789037,0.060810288255801884,0.05990328792090815,0.05694117542301691],"twin_dists":[0.18518536133614305,0.19255744443891518,0.22088514266071685,0.2393918187629729,0.23996092577584469,0.24799706867623703,0.25970522816598623,0.26162127202545166,0.27852818272169777,0.2828698532160522,0.2834611309382982,0.2870629980297656,0.28776175151992905,0.28820358718913597,0.2882601066010284,0.28854838609044137,0.2886425653839599,0.2887239019564123,0.2985018026770339,0.29952181913187936,0.3044441425035036,0.3072053483646138,0.30733892783186545,0.30816256905376505,0.3109259540963738],"n_dims_used":45,"mean_confidence":0.9108455234103733},"coverage":{"mean_confidence":0.9108455234103733,"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}}