{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890002221},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890002050","489:4890002304","489:4890002055","489:4890001551","489:4890001552","489:4890001972","489:4890001798","489:4890002054","489:4890002057","489:4890002220","489:4890001802","481:4810004681","489:4890002385","489:4890002548","489:4890002056","499:4990002293","489:4890001714","489:4890001966","481:4810004189","489:4890001804","489:4890001634","481:4810004486","481:4810004389","481:4810004289","478:4780007045"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,481,489,489,489,499,489,489,481,489,489,481,481,481,478],"twin_sims":[0.278042764471694,0.10482030504228529,0.09000094525793749,0.06426477176034273,0.05884291995147257,0.05409486882081546,0.05271318645738162,0.040415546985649406,0.040053688732649216,0.034457748671224434,0.03419950824628214,0.03344490853348957,0.033045096943739166,0.0314172705593218,0.030598930291813816,0.030596585353046227,0.029704697388179584,0.026899486734270367,0.023856821532947256,0.02322797712974641,0.023221883398647978,0.018290325675212188,0.018131857560996233,0.01802957436262419,0.01701454858775308],"twin_dists":[0.20779758450035396,0.2758423907664705,0.2850107448836197,0.30429144329271957,0.309138589659019,0.31369546870408554,0.31508362390480743,0.3289975191460502,0.32945829803986365,0.3370747832478018,0.33745100937360434,0.33856441592540026,0.3391630436768601,0.34166606034636005,0.34296654155254785,0.34297031063341715,0.3444221492517559,0.3492463854068164,0.3549964198079708,0.35626339385302414,0.3562758160322198,0.3674040216857093,0.3678033007279189,0.3680626403178697,0.37070858693093645],"n_dims_used":45,"mean_confidence":0.9180913289388021},"coverage":{"mean_confidence":0.9180913289388021,"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}}