{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000066},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000132","490:4900000354","490:4900000179","490:4900000600","490:4900000113","490:4900000244","490:4900000217","490:4900000072","490:4900000402","490:4900000848","490:4900000190","490:4900000111","490:4900000183","490:4900000092","490:4900000725","490:4900000089","490:4900000200","490:4900000435","490:4900000133","490:4900000205","490:4900000112","487:4870005261","490:4900000499","490:4900000201","490:4900000278"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,487,490,490,490],"twin_sims":[0.4982107813693657,0.4351129971892779,0.42789809469414686,0.42005863844328206,0.39885762562358296,0.3330089090417114,0.27843802056081307,0.2642022061719964,0.2371571438356161,0.22635385068866684,0.21658851185890834,0.21470399006433796,0.20985758425512588,0.20825545615502403,0.20465575467011973,0.18668700402576757,0.18219347963114002,0.17702066723043683,0.16653055602779945,0.1641950542944163,0.16090087897400943,0.16002571928170226,0.15684492751565268,0.13949332508157805,0.1394621507008528],"twin_dists":[0.1533104413493424,0.16754810757989858,0.16922303894398416,0.17105618417193555,0.1760889962205424,0.19259874454009385,0.20768224283694148,0.21190172150710543,0.22033024405319399,0.22387105420244002,0.22716944885165302,0.2278173979087488,0.22950156984020867,0.23006412580092347,0.23133894331093238,0.23794493626837435,0.23966583959793117,0.24168443730941366,0.24591084904211294,0.24687771584429372,0.248258522930858,0.24862880478810595,0.24998714741809258,0.2577763878933412,0.2577910125332192],"n_dims_used":45,"mean_confidence":0.9079376220703125},"coverage":{"mean_confidence":0.9079376220703125,"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}}