{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001776},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910002043","491:4910002155","491:4910001315","491:4910001163","491:4910001836","491:4910001891","491:4910002295","491:4910001476","491:4910001490","491:4910001419","491:4910002347","492:4920000821","491:4910002039","491:4910001478","492:4920000559","491:4910001296","492:4920004648","492:4920002810","492:4920003759","492:4920004380","491:4910001230","491:4910001486","491:4910002352","491:4910002089","492:4920000562"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,492,491,491,492,491,492,492,492,492,491,491,491,491,492],"twin_sims":[0.4332164197179015,0.26487991720048715,0.2438562926555798,0.24140871610767076,0.23237152322582022,0.22591996176876014,0.17703560267264665,0.16533418746285852,0.1634808747181389,0.14916811968733093,0.14469644136275558,0.14409036545799384,0.1351209935286212,0.13391084065629696,0.1316907817480499,0.12951785438159494,0.128081836576164,0.12803254033865605,0.12779503645623042,0.12763062164059022,0.11902542930213764,0.11634620508352683,0.11506585796965779,0.11301640831269344,0.11251725477221933],"twin_dists":[0.16798730126777983,0.21169770090400333,0.21818729813073862,0.21896575607696356,0.22188536727217276,0.22401557050492632,0.24167854914282294,0.24640489768973695,0.24717536019946915,0.25335055944942986,0.25536886181412166,0.2556459541406523,0.25985185726361576,0.2604351736486176,0.2615156666838321,0.2625865924018156,0.2633018015868694,0.26332646103434343,0.2634453683630629,0.2635277813556844,0.2679583639239689,0.26938767686563436,0.2700796491531917,0.27119971521195224,0.2714748792565669],"n_dims_used":45,"mean_confidence":0.8980275472005208},"coverage":{"mean_confidence":0.8980275472005208,"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}}