{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003346},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004439","490:4900002151","490:4900003347","490:4900004014","490:4900003746","490:4900004022","490:4900003068","490:4900002302","490:4900003592","490:4900002604","490:4900003056","490:4900003865","490:4900003608","490:4900004154","490:4900004019","490:4900004579","487:4870010849","496:4960007892","490:4900003357","490:4900001719","490:4900003070","490:4900001992","490:4900004440","490:4900004305","490:4900002917"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,487,496,490,490,490,490,490,490,490],"twin_sims":[0.6678251074701603,0.6391386777302666,0.5575640764363536,0.5397267191303277,0.5289952868436875,0.5215575489617318,0.5138767232442671,0.5075469679560038,0.4640722027800437,0.46380528298286855,0.4477369217363313,0.44695608167956236,0.42698082566491796,0.4194773301371996,0.4175894144840933,0.4050924457276065,0.40383507530680085,0.3992587061465184,0.39719764976651856,0.39632196725359764,0.39567704092282413,0.3916768380008821,0.3910390387703752,0.39048001618744926,0.38927021523642286],"twin_dists":[0.11670347628947249,0.12288540130008943,0.14038198719400896,0.1442358180761026,0.14656561823783262,0.14818623885467172,0.14986546587784152,0.15125399633519043,0.16093069751955338,0.1609909878427515,0.16464371137069378,0.16482243626102291,0.16943680378184425,0.17119268426673787,0.17163655148179413,0.17459691342426814,0.17489698307037355,0.1759926954742916,0.1764880329257909,0.17669884346131207,0.17685423902719147,0.17782071919208473,0.17797523987401997,0.17811077211676873,0.17840439400815863],"n_dims_used":45,"mean_confidence":0.9166768391927084},"coverage":{"mean_confidence":0.9166768391927084,"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}}