{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010951},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010953","490:4900010957","490:4900010952","490:4900010174","490:4900011323","490:4900010178","490:4900010706","490:4900010622","490:4900010524","490:4900010876","490:4900010078","490:4900010959","490:4900010535","490:4900011030","490:4900010875","490:4900009578","490:4900010793","490:4900011992","490:4900009679","490:4900010872","490:4900010877","490:4900010955","490:4900010610","490:4900004803","490:4900009677"],"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":[0.4868660095264154,0.4144615682635168,0.368956752084694,0.31491955247423353,0.31103376769738866,0.2696263979700912,0.2630843828027293,0.24365804294775795,0.23524251200243146,0.2332862429701297,0.2240149210368657,0.22329426126565485,0.218432062171733,0.18838971822163472,0.17697301517395464,0.15621471982970198,0.15121917589965697,0.14355313930193905,0.14018358983758986,0.13443306060266708,0.13368427922381734,0.11990345322267908,0.11709191710794868,0.11048527968135637,0.10531094106409604],"twin_dists":[0.1558240927053361,0.17237383348189206,0.1834015245756712,0.19742956053700422,0.1984874636158951,0.2102778239096506,0.21223895047489352,0.2182501634103397,0.22094992957432374,0.221586510321722,0.22465227795394122,0.22489407781334236,0.2265392488847925,0.2373004489096291,0.24170322607552336,0.2502586546619852,0.2524397239407647,0.2558922928462682,0.25745319123871246,0.26018297041029803,0.2605448200882571,0.2674953165491047,0.2689873418054382,0.2726048462076625,0.27555669011588313],"n_dims_used":45,"mean_confidence":0.9187618679470486},"coverage":{"mean_confidence":0.9187618679470486,"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}}