{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001185},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001120","491:4910001119","491:4910001328","491:4910001132","491:4910000990","491:4910001622","491:4910001069","491:4910001513","491:4910001055","491:4910001394","491:4910001054","491:4910001319","491:4910001133","491:4910001571","491:4910001512","491:4910002615","491:4910001691","491:4910001748","491:4910001198","491:4910001806","491:4910001747","491:4910000999","491:4910001738","490:4900007655","497:4970001741"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,490,497],"twin_sims":[0.38918790450376045,0.21902177575931273,0.1900104100684585,0.18907398348840368,0.1851396321262352,0.16858406611206703,0.1620278754810039,0.15354735040984022,0.14796673844234345,0.14757653673142335,0.10972244966485366,0.0794059713846704,0.07938878657726925,0.07368614622589328,0.06395379769540027,0.060900002401192414,0.05033145345116626,0.04985566924127573,0.04825764051502368,0.04260303633527488,0.041323040555939924,0.035858126102297584,0.03572365165231258,0.0258174451755576,0.025795518974349892],"twin_dists":[0.1784243865965072,0.2263384154814401,0.23669078680626648,0.23704260022542864,0.23853421463355334,0.24506876949831582,0.24778383680925695,0.25141676656137096,0.25388836430863637,0.2540637334861701,0.27303319741238213,0.2923290771561845,0.2923415655016773,0.29661129231534833,0.3045602067946773,0.30725800874079123,0.31754910147573895,0.3180532094895756,0.31977626062409686,0.3262838868011886,0.3278570784340322,0.3350754255816216,0.33526450767389576,0.35122368698730005,0.3512644882200722],"n_dims_used":45,"mean_confidence":0.8933431837293837},"coverage":{"mean_confidence":0.8933431837293837,"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}}