Update on Recent Service Interruptions

March 17, 2024 Update:

The 503 errors appear to have returned. We believe that this may be related to data capture for training models (such as AI LLMs). Unfortunately, there are so many bots at work trying to access our servers at the same time, this overwhelms our server nodes and makes it impossible to maintain service. Manual blocking of sets of IP addresses has been attempted, but, as soon as one set of addresses is blocked, the access will resume from different addresses, and so on. We are working on ways of addressing this and trying to stay ahead of the problem as the situation evolves.


The Perseus servers are currently being flooded with requests from overseas servers. Tufts Research Technology is endeavoring to block the bad actors and maintain operations, but there may be disruptions until all of the relevant domains can be identified.

We thank you for your patience.

Note that the Scaife Viewer is available: https://scaife.perseus.org
With a Quick Start Guide here: https://perseus.pubpub.org/pub/bv43kvmy/release/1

Please reach out to the Perseus webmaster with questions or concerns.

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