{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001317},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001192","491:4910001501","491:4910001196","491:4910001183","491:4910001264","491:4910001863","491:4910001141","491:4910001621","491:4910001190","491:4910002014","491:4910001330","491:4910001188","491:4910001331","491:4910001131","491:4910001126","491:4910001570","491:4910001257","491:4910001740","491:4910001444","491:4910001624","491:4910001630","491:4910001254","491:4910001053","491:4910001619","491:4910001514"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491],"twin_sims":[0.5768186966604155,0.37570702014045926,0.330222697145438,0.2886663372172772,0.2665983402074087,0.24908662956069452,0.24333513250194877,0.20647084388688552,0.20276405883078652,0.19996277185624547,0.18065795477208121,0.1637578615965257,0.16109625108037118,0.15538486607759774,0.1544778239845173,0.1400895011514754,0.1318688726567932,0.12835570076669253,0.12619178053077992,0.11919070941636964,0.11054971847365348,0.1078634674028054,0.1077104689945711,0.09016197679373172,0.08937919111461776],"twin_dists":[0.1362416526004763,0.18172644566897536,0.1933331712634405,0.2047312846200546,0.2111818346673151,0.2165405029145469,0.21835262956931437,0.23069424024009305,0.23201503729130865,0.23302422535240316,0.24026076629324353,0.24705981055093096,0.2481760604746589,0.2506173974118373,0.25101111504462514,0.2574971756039504,0.2614284870063257,0.2631649371666718,0.2642524543890026,0.2678710002947681,0.27256876681514236,0.27408680798245805,0.2741741475622916,0.2849049309853451,0.2854207131987656],"n_dims_used":45,"mean_confidence":0.8955531650119357},"coverage":{"mean_confidence":0.8955531650119357,"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}}