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Positive Feedback™ · Technology

Every file kept. Never changed. Never lost.

  • Write-once files, keyed by SHA-256.
  • Chunked uploads and a backup for every delete.

DA-M · File storage API

Version 6.024 release notes
Channel
Release candidate
Build
c139d4c9e
Date
2026-10-17
Files
  • NEWEvery file is written once and never changed, under its own key made from the first 12 characters of its SHA-256 hash.
  • NEWEvery file carries a companion .dam file that describes it on its own, without the database.
Uploads
  • NEWBig files arrive in chunks. A drop zone checks the size and kind first, so a wrong file is refused before a byte is sent.
  • IMPROVEDExport any list as CSV or as one ZIP of the files; import a ZIP back.
Backup
  • SECURITYA deleted file is never erased at once: it moves to the account’s backup area, leaves every list, and can be restored.
Devices
  • SECURITYAn enrolled device gets the account’s file index as a snapshot signed with DA-M’s Ed25519 key, and works offline.
The vault
  • SECURITYDA-M keeps a verified copy of every FROST vault seal.

DA-M · File storage API · end of release notes