71 |
expire after a small number of years. |
expire after a small number of years. |
72 |
This is important for e.g. long-term |
This is important for e.g. long-term |
73 |
digital publishing [anderson98eternal]_. |
digital publishing [anderson98eternal]_. |
74 |
The alternative, digital timestamping [XXX], |
The alternative, digital timestamping |
75 |
|
[haber91timestamp-andalso-bayer92improving]_, |
76 |
adds additional complication because |
adds additional complication because |
77 |
it needs a secure, trusted timestamping service. |
it needs a secure, trusted timestamping service. |
78 |
|
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