Lazarus Archive · LZ-12520

MosaicNet

Mosaic Online Services, 2009–2011. Website or online service for the web.

Description

A subscription online service with 370 thousand members at its peak. It closed in 2011 with thirty days’ notice.

Provenance

Recovered from the last surviving backup after the original server was scrapped. The service’s own export format was undocumented and was worked out from the data. Independent reads agree bit for bit.

Preservation

Fixity (SHA-256)
f4847a880dec33eee9d3688f2035cee44ed3b4716b056a2a36fcc4b9bf5349f0
Last verified
Oct 15, 2026, by Vigil
Migrated to
WARC, replayed in the reading room
Copies
Three, on two kinds of storage, in two cities
Original carriers
None. Captured over the network.

Access

Free, in reading rooms only, under the Lazarus orphan works policy.

Reading-room copies are migrated to WARC, replayed in the reading room. The recovered files are kept exactly as they were found.

Cite as: Mosaic Online Services, MosaicNet (2009–2011). Lazarus Archive, LZ-12520.

Also by Mosaic Online Services

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