{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002872},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003021","490:4900003163","490:4900002867","490:4900003544","490:4900002871","490:4900002717","490:4900003541","490:4900003679","490:4900002716","490:4900002865","490:4900003422","490:4900001256","490:4900002866","490:4900003678","490:4900003020","490:4900003162","490:4900003677","490:4900002723","490:4900002873","490:4900002870","490:4900002411","490:4900003289","490:4900002561","490:4900003288","490:4900002413"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.6624289350734416,0.597634096599906,0.5748671637932322,0.5461639971528582,0.45776920658743253,0.44933839676294585,0.44710499136622966,0.4134198611786916,0.4075991608261101,0.3831332404784859,0.37465811299916035,0.36101624914079117,0.3581861082439042,0.34981706205537727,0.33897371031780327,0.2905252481036984,0.2845077114858479,0.2548633261042917,0.25281509999853596,0.24846523996827316,0.2476066639295239,0.2441683271954935,0.24191517124519013,0.23948694542940588,0.23298317533373122],"twin_dists":[0.11787023741530352,0.1317796162994087,0.1366605839293961,0.1428425701086786,0.16235766871597154,0.16427752051130215,0.16478834351019386,0.17261991226348916,0.17399992650197657,0.1799005406494032,0.18198575282138219,0.18539166232790216,0.18610634030111461,0.18823692425242658,0.19103762104100727,0.20420175128462736,0.2059233549756506,0.2147472077983081,0.21538005993888648,0.21673498043404485,0.21700420432203932,0.21808841831682768,0.21880425904235068,0.21958057216039875,0.22168544308084845],"n_dims_used":44,"mean_confidence":0.9182987213134766},"coverage":{"mean_confidence":0.9182987213134766,"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}}