{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000649},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000650","490:4900000311","490:4900000256","490:4900000255","490:4900000460","490:4900000318","494:4940007105","494:4940006995","490:4900000384","490:4900000462","490:4900003411","490:4900000752","490:4900003005","490:4900000548","490:4900000320","494:4940007533","490:4900000760","494:4940007744","490:4900000549","494:4940006980","494:4940006886","490:4900000877","490:4900012603","494:4940006979","490:4900003016"],"twin_admin_codes":[490,490,490,490,490,490,494,494,490,490,490,490,490,490,490,494,490,494,490,494,494,490,490,494,490],"twin_sims":[0.4781816107038774,0.2517223540772508,0.2453080990525754,0.17592157590686544,0.1674765176308505,0.12162341761101178,0.10924889464843951,0.10275990756777457,0.085684263750553,0.061263553508194214,0.060823975390649127,0.05485045709103912,0.05254370588904858,0.04914100745050684,0.04892723227388165,0.04805395889649016,0.043948122931517244,0.04329261635856528,0.041100253716726966,0.0405733998055391,0.040513298498211184,0.03953274101125739,0.03926539453442394,0.03847260763983583,0.0380084790042954],"twin_dists":[0.15776031830605025,0.21571902664467454,0.21772793007829425,0.24211871800916415,0.24552201660145176,0.2665957076439366,0.27330027270319174,0.2770536678729915,0.28790488291906197,0.3069310968912235,0.3073265761681087,0.3129487273029011,0.3152559705519784,0.3188180018796981,0.31904857433241485,0.31999928582379994,0.32467298974592484,0.3254527771061631,0.32813508154504,0.3287976047003992,0.3288736431422964,0.33012787032116336,0.3304743899321803,0.33151382070962754,0.3321307874590957],"n_dims_used":45,"mean_confidence":0.9124386257595486},"coverage":{"mean_confidence":0.9124386257595486,"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}}