{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012059},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010874","490:4900010793","490:4900010447","490:4900010535","490:4900010706","490:4900010629","490:4900010777","490:4900010622","490:4900010620","490:4900010790","490:4900010959","490:4900010871","490:4900012057","490:4900011732","490:4900010792","490:4900010176","490:4900012056","490:4900010614","490:4900011030","490:4900010353","490:4900010362","490:4900010952","490:4900010691","490:4900010178","490:4900010189"],"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":[0.5374721612781383,0.3581424827622053,0.35074769417953555,0.3483792077152121,0.3234932878692226,0.3117787194424611,0.28130681220675957,0.26538361900275015,0.26096801269460257,0.2482184505391908,0.21930610099415732,0.21188854406467683,0.2103034678049023,0.20936991507006006,0.20816240645322448,0.18898142770171106,0.1815383851207539,0.17815640860372436,0.1742021355073369,0.17217021204508712,0.16194249685584022,0.14714589035071096,0.1424440365688931,0.14181397196875264,0.1360775629966679],"twin_dists":[0.14472451047690996,0.18611737934828515,0.18799870449745945,0.18860563493587834,0.1951211850632205,0.19828406957931768,0.20684805448231294,0.2115462754901303,0.21287988933127153,0.21681230507317076,0.22624171501344015,0.22879261770249323,0.22934552639976158,0.22967249503396825,0.23009688878900778,0.2370774393712227,0.2399192153922374,0.2412376852301953,0.24280200952773753,0.24361571531625015,0.24781971389401417,0.2542576778691062,0.256403032407035,0.25669449367149366,0.259393540259784],"n_dims_used":45,"mean_confidence":0.9163172403971355},"coverage":{"mean_confidence":0.9163172403971355,"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}}