{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001865},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001460","491:4910001752","491:4910002015","491:4910001812","491:4910001912","490:4900002216","490:4900006306","491:4910002115","491:4910001910","491:4910002417","491:4910002016","491:4910002018","491:4910001450","491:4910001011","491:4910001451","491:4910001917","490:4900005016","491:4910002066","491:4910001961","490:4900006669","491:4910002116","490:4900002518","490:4900006425","491:4910002019","490:4900006546"],"twin_admin_codes":[491,491,491,491,491,490,490,491,491,491,491,491,491,491,491,491,490,491,491,490,491,490,490,491,490],"twin_sims":[0.3010296971017582,0.28211904243320407,0.2767607388664157,0.2518193857091504,0.20920681745264352,0.15445196500239652,0.13973960706474517,0.09855767549650804,0.09032475270927262,0.08932397544060393,0.0843079652958272,0.08172066684368821,0.07681821861893212,0.07411846285763035,0.05870559672265038,0.05533297764858552,0.05285472299056457,0.05215451769116167,0.050491556873257515,0.046102873792331626,0.042836457221542716,0.040142372244120796,0.037785123218874055,0.03560210287282985,0.03414406725866726],"twin_dists":[0.20124648849314422,0.20661281189392725,0.20817238829504425,0.2156888898237092,0.22972972021217547,0.2510223643742496,0.25766093682999497,0.27958411005332,0.2847981229011687,0.28545723015436514,0.28885200930034055,0.2906664347080813,0.2942345675624355,0.2962784420114131,0.3092660461617185,0.31247630029455564,0.31494004596741726,0.3156534942190939,0.31738035934673936,0.3221766956045845,0.3260012997245915,0.3293450470755952,0.33242997183167544,0.3354359364552216,0.337532095795836],"n_dims_used":44,"mean_confidence":0.8945172916759144},"coverage":{"mean_confidence":0.8945172916759144,"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}}