Written field is null sometimes
Like their, cgeek certification "written" field is null : http://metab.ucoin.io:9201/wot/certifiers-of/8Fi1VSTbjkXguwThF4v2ZxC5whK7pwG2vcGTkPUPjPGU
{
"pubkey": "HnFcSms8jzwngtVomTTnzudZx7SHUQY8sVE1y8yBmULk",
"uid": "cgeek",
"isMember": true,
"wasMember": true,
"cert_time":
{
"block": 39669,
"medianTime": 1446707586
},
"written": null,
"signature": "KgxRccvQ3OQ26lJx9554SdDjAq1lovmrdHFP+Xb+S9D+r1auWtcJzYwYoNrUcpBsN1E9amc4tfeunuRYElc1CA=="
},
Probably because you just recently issued it ! (block is 39669)