{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011772},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011167","490:4900010760","490:4900011175","490:4900011232","490:4900011644","490:4900011249","490:4900010426","490:4900011078","490:4900011843","490:4900011234","490:4900010997","490:4900011703","490:4900011900","490:4900010143","490:4900010674","490:4900011165","490:4900012118","490:4900011086","490:4900011005","490:4900011011","490:4900012168","490:4900010929","490:4900011235","490:4900010755","490:4900011383"],"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":[0.5151092072243614,0.42852549748383534,0.2997323920847357,0.29400264055768943,0.2796730531268486,0.2787017136210793,0.2776602418928041,0.25652160986252537,0.2449003142265057,0.22366992284242487,0.20354206737484148,0.16813609682964273,0.16422800320073852,0.16099523744346997,0.1514223381490287,0.143767401609602,0.13926365462933632,0.13724332493399047,0.12639439373786324,0.12328146705679262,0.12128878208914183,0.11975664976433564,0.11860446858308248,0.1175426801619239,0.10615855594262119],"twin_dists":[0.1495956053510194,0.1690769344344674,0.20160814773811617,0.20321655960873547,0.20732248263321704,0.20760534868192562,0.20790930551164052,0.21423719788575712,0.21785678038522285,0.22476796895151788,0.23173645475353394,0.2452518351677722,0.24686400654616203,0.24821868713216744,0.252349999294315,0.2557939635084246,0.25788418900190824,0.25883824582841036,0.2641500305378665,0.2657376218911325,0.2667699708121548,0.26757255604093044,0.26818129504263716,0.2687462972785131,0.2750655480857141],"n_dims_used":45,"mean_confidence":0.8901585896809896},"coverage":{"mean_confidence":0.8901585896809896,"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}}