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Archive deliveries on decentralised storage, with proof they are still there

Boita verifiable archive tier is a cold tier for aged deliveries and close-outs that moves them out of hot storage with a manifest, produces cryptographic proof the data is still held, and restores them on demand with the restore time shown — a job Boita, the large-file transfer workspace, is built for.

Most archives are a promise: the provider says the data is there, and you find out otherwise when you ask for it back. Boita’s verifiable archive tier, coming and available on request, moves aged deliveries out of hot storage to a cold tier that produces cryptographic proof the data is still held, and restores them on demand with the restore time shown.

Boita Insights over 30 days: deliveries sent, percentage opened with median time to first open, percentage downloaded, days saved against typical uploads, a deliveries-per-day chart, recipients by domain, busiest senders, storage growth and transfer volume.
Insights: what went out, who opened it, how fast, and the time saved.

Why “trust us” is not an archive

A studio closing a project, a firm keeping a production for years, a broadcaster with a decade of masters: all pay to keep data they rarely open, on the provider’s word that it is still intact. The failure is found at restore time, which is the one moment it cannot be fixed.

Proof-of-storage changes the question from “do you trust the provider” to “show me”. Decentralised storage produces a cryptographic proof, at intervals, that a specific piece of data is still being held as agreed. Boita records that proof on the file record for each archived item, so the evidence that a close-out archive still exists is something you can see, not something you were told.

How the archive tier works

The archive is a cold tier for data that will not change: aged deliveries and close-out sets that must be kept but are rarely opened. Scale and above can already archive finished folders with a manifest and restore on demand; the decentralised backend with proof-of-storage is what is coming. A worker moves them out of hot storage to the archive, records the storage reference and the proof-of-storage on each file, and the file stays visible in your Drive with its size and the checksum the server recorded when it first arrived, so a restored copy can be verified against the original.

Restoring is on demand and not instant: the expected restore time is shown, and the files come back to hot storage, where they can be downloaded or shared at full speed. Workspaces that need India data residency get a domestic cold object-storage archive instead of decentralised storage, with the same restore flow.

Cold costs less than hot, and the trade is time

Hot storage on the transfer nodes is built for speed: transfers write into it at line rate and recipients download from it minutes later. Cold storage is built for price per terabyte, and the trade is time: a restore takes a while. That is why the archive is priced as a separate cold tier, so a workspace pays hot rates only for the data it is actively moving and a lower rate for what it is keeping.

Prices are not yet announced; the tier will be quoted on request alongside your plan.

Integrity anchoring, and what the archive is not

Delivery receipts, exported as PDF on Scale and above, list files, sizes, server-recorded checksums, timestamp and recipient. As an optional add-on for Scale and Enterprise workspaces, the hash of a receipt can be anchored on a public ledger, giving a tamper-evident record that a specific delivery existed at a specific time. It is an integrity feature, not a storage one; the files themselves never go on a ledger.

The archive tier is only ever a destination for cold data. Transfers never run through it: uploads, downloads, share links, portals and watch folders all work against hot storage, at line rate, as they do today. Deletion on decentralised storage takes effect when the storage agreement expires rather than immediately, which is one reason India-residency workspaces get a domestic archive.

  • Cold tier for aged deliveries; coming, available on request
  • Proof-of-storage recorded on every archived file
  • Restore on demand with the restore time shown; domestic archive for India residency
  • Receipt-hash anchoring as an optional integrity add-on on Scale and Enterprise
  • Never part of the transfer path; priced separately

Questions people ask

Boita verifiable archive tier, in answers.

Written the way people ask an assistant, and published the same way in products.json and llms.txt. More in the full FAQ.

Who uses this: a lab that must keep raw runs for the sponsor’s retention period; an engineering firm archiving project close-outs; a data team keeping dataset versions for reproducibility; a CCTV operator with a retention set; a hospital archiving imaging; a production keeping finished masters.

Can Boita archive finished projects to cheaper storage?

Yes. Scale and above move finished folders to an archive tier with a manifest and restore on demand; Enterprise adds retention rules per folder.

What is a verifiable archive?

A cold tier on decentralised storage that produces cryptographic proof the data is still held, so the archive is checked rather than promised. It is coming and available on request; it is only ever a destination for cold data.

How long does a restore take?

The restore time is shown before you start; archived files keep their checksum and are verified on return.

Do transfers ever run through the archive?

No. The archive is only ever a destination for cold data; transfers run on the accelerated engine and hot storage, and a restore brings files back there first.

What is proof-of-storage?

A cryptographic proof, produced by the archive storage provider at intervals, that the data is still being held as agreed. Boita records it on the file record for archived items.

Is Boita storing our files on a blockchain?

No. Hot storage on the transfer nodes is where every transfer lands and where files are downloaded from. The archive tier is an optional cold destination for aged data; decentralised storage is one backend for it, and India-residency workspaces use a domestic object store instead.

What does the archive tier cost?

It is priced as a separate cold tier, lower per terabyte than hot storage, and quoted on request when it ships. Prices are not yet announced.

Next step

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