{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003672},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002849","490:4900001946","490:4900003537","490:4900003272","490:4900002256","490:4900009868","490:4900005076","490:4900003405","490:4900004937","494:4940007760","494:4940008071","490:4900008151","490:4900008043","494:4940007122","490:4900010348","490:4900011532","490:4900010635","490:4900006148","490:4900007946","490:4900004524","490:4900006022","490:4900010346","490:4900002555","490:4900008955","487:4870002250"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,494,494,490,490,494,490,490,490,490,490,490,490,490,490,490,487],"twin_sims":[0.18383543581152242,0.11570299562561606,0.09640762576752057,0.09142897707784728,0.06779776087883806,0.05544416324834874,0.04375981803178067,0.035061942293575295,0.033283915623631914,0.021843634821756174,0.019724158086046373,0.019192467973695847,0.018946946651747027,0.01602721726688616,0.015903481060483365,0.013142930196698517,0.01256139280741256,0.010659954575916801,0.00933487503474705,0.008218287417184972,0.007107233366671528,0.006428604891046722,0.006330958647154916,0.005076947523760516,0.00505096013871016],"twin_dists":[0.239033582284755,0.2697345685495777,0.28091163944799535,0.2840775637309786,0.30131027218244916,0.3123679239594358,0.32489599021613486,0.3362038355019947,0.3388047284436701,0.35916087779110006,0.3639226399224032,0.3651869840016034,0.3657811809410998,0.37341871254239983,0.373768632513659,0.3822756330816046,0.3842673003497139,0.3914056416276479,0.39708465084939454,0.4024597852472522,0.40850191269500324,0.4126248683646107,0.41325007214692694,0.42216381147721577,0.42236880260232323],"n_dims_used":45,"mean_confidence":0.9256859673394098},"coverage":{"mean_confidence":0.9256859673394098,"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}}