{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001866},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002217","490:4900002063","491:4910001867","490:4900004069","491:4910002364","491:4910001751","490:4900003910","490:4900006186","490:4900006077","491:4910001812","490:4900005938","491:4910001342","490:4900003911","491:4910001921","491:4910002069","491:4910002016","491:4910001634","490:4900005937","490:4900006426","490:4900005554","491:4910001750","490:4900006316","497:4970000327","490:4900003114","497:4970000563"],"twin_admin_codes":[490,490,491,490,491,491,490,490,490,491,490,491,490,491,491,491,491,490,490,490,491,490,497,490,497],"twin_sims":[0.03647696391616394,0.027246748039566997,0.022514718974897704,0.021518516014603462,0.011729747851631942,0.01114505216138463,0.00987971625111969,0.007893996927358128,0.007841163198951364,0.005476013390871467,0.005014032980653744,0.004900380739311885,0.004482818868424446,0.0033577981829374837,0.003218793752197742,0.0031555340742122507,0.0029777620498683175,0.0023955294779305168,0.0023635748852654766,0.0022541829916902195,0.0018872327465268267,0.0011314596995590429,0.001083037376781285,0.0009789297278399631,0.0009385089518579594],"twin_dists":[0.33421297782632375,0.34862633707139573,0.3577369593543404,0.359864440667654,0.3872624245812077,0.3894831562611587,0.3946676679387204,0.4041435577563438,0.40442373524508335,0.4191296578685174,0.42266173650032773,0.4235757348744146,0.42710753891743686,0.4383709276900505,0.4399946987038646,0.4407549585278778,0.4429684734848209,0.4511769777480058,0.45167874684607406,0.45344492700489775,0.46000669539285133,0.4783983359325454,0.4799380123574341,0.48347688288884927,0.48494577618427237],"n_dims_used":44,"mean_confidence":0.8947622125799005},"coverage":{"mean_confidence":0.8947622125799005,"n_dims_used":44,"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}}