{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010619},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010615","490:4900010870","490:4900010439","490:4900010533","490:4900011986","490:4900010532","490:4900010692","490:4900011407","490:4900010790","490:4900011110","490:4900010691","490:4900011863","490:4900010443","490:4900011930","490:4900011798","490:4900010883","490:4900010527","490:4900010618","490:4900010861","490:4900010183","490:4900011990","490:4900010777","490:4900012128","490:4900010868","490:4900012205"],"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":[0.6908209554414823,0.5721893733471504,0.5609514711724422,0.5293102737880265,0.4500102559219839,0.42911067290779903,0.4032734573147274,0.37599556159834213,0.3449632881450893,0.33097486359146067,0.320053436846453,0.3056815060279034,0.30049911862484613,0.2992087919908,0.29390003228802863,0.28472885338549886,0.2521689258430356,0.2444239913923079,0.2408942499064264,0.23528571664028916,0.23231389685973775,0.22489262281761854,0.22159427548766086,0.21996338405428428,0.20822282539486023],"twin_dists":[0.11170332408657307,0.1372356452835328,0.1396523255027048,0.14649709646298195,0.16412404018791127,0.16894074251906774,0.17503114767979125,0.18165517564144476,0.18948480990015418,0.1931345721375632,0.1960431451586335,0.1999570778148026,0.20139429148647475,0.20175437481177358,0.20324553068110546,0.20585970218060604,0.21558038830548848,0.21800746232130933,0.21913003266926306,0.22093590975921565,0.2219042208059985,0.22435848487439924,0.22546653560098234,0.22601849093632662,0.23007561402173124],"n_dims_used":45,"mean_confidence":0.9181366814507379},"coverage":{"mean_confidence":0.9181366814507379,"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}}