{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004555},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004273","490:4900003717","490:4900004414","490:4900004411","490:4900004276","490:4900004552","490:4900003178","490:4900005109","490:4900003319","490:4900001412","490:4900001671","490:4900004000","490:4900001833","490:4900003999","490:4900002597","490:4900006755","490:4900003699","490:4900002589","490:4900004688","494:4940006001","490:4900004828","490:4900003447","490:4900003185","490:4900002148","490:4900001822"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,490,490,490],"twin_sims":[0.7809302618343441,0.6220111084083619,0.456501656575051,0.361446346802341,0.352571810055811,0.3409873957209087,0.3089383010066451,0.24851073587846734,0.2330324755067444,0.22282693708301018,0.2139707717488013,0.21286331888862473,0.20819615429397323,0.20615764551407365,0.2037020534348869,0.19611918679280396,0.1920208677335074,0.1858675431348363,0.18488882240071786,0.18317870558903124,0.1781236550674711,0.16797198836285707,0.1675813202459414,0.1671964349837939,0.16230501729087252],"twin_dists":[0.0913322285545244,0.12655898312992359,0.16264548185435215,0.18528330302729623,0.18753273002740997,0.1905139443257611,0.19906108825757893,0.21672073092445715,0.22166934388349746,0.2250511551693439,0.22807053477549205,0.2284539865031774,0.23008500495300183,0.23080520801248555,0.2316792589362784,0.23442490364309493,0.2359395339701308,0.2382565782625541,0.2386300551367116,0.23928598510542837,0.2412505406907303,0.2453189870256059,0.2454790354928558,0.2456369777967017,0.247667473018274],"n_dims_used":45,"mean_confidence":0.920507303873698},"coverage":{"mean_confidence":0.920507303873698,"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}}