Datasets:
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license: cc0-1.0
pretty_name: Binary package checksums (Debian, Ubuntu, Kali)
tags:
- file-hashes
configs:
- config_name: data
data_files: data/debs.parquet
- config_name: maps
data_files:
- split: sha1
path: maps/sha1.parquet
- split: md5
path: maps/md5.parquet
---
# Binary package checksums (Debian, Ubuntu, Kali)
Per-artifact checksums of **binary packages (.deb/.udeb) as shipped**,
harvested from the distros' own apt `Packages` indexes. Every row
carries the pool path, so the claim URL is constructible: archive
base + `Filename`. Digest coverage varies by distro — each row is a
single witness carrying every digest its index states:
- **debian** — trixie, trixie-updates, trixie-security, sid (all four
components + debian-installer udeb sub-indexes): md5 + sha256, plus the debian-installer images tree (initrds, kernels — SHA256SUMS per versioned release)
- **ubuntu** — **every release ever indexed with SHA256** (gutsy 2007
→ resolute 26.04, plus regenerated -updates/-security indexes back
to warty 2004): release + -updates + -security pockets, all four
components (main, restricted, universe, multiverse), enumerated
from archive.ubuntu.com (supported) and old-releases.ubuntu.com
(EOL — pool included, so claim URLs stay live for dead releases):
md5 + sha1 + sha256 + **sha512** — 4-hash single-witness rows
- **kali** — kali-rolling: md5 + sha1 + sha256
**2,890,481 rows** across 129 witnesses (debian 152,570 / ubuntu
2,665,512 / kali 72,399), architecture amd64 (arch:all packages
included), harvested 2026-08-14.
## Layout
- `data/debs.parquet` — witness, sha256, sha1, md5, sha512, name,
version, arch, filename; **sorted by sha256**. `filename` is the
pool path relative to the archive root (`deb.debian.org/debian`,
`security.debian.org/debian-security`, `archive.ubuntu.com/ubuntu`,
`old-releases.ubuntu.com/ubuntu` for EOL Ubuntu codenames, or
`http.kali.org/kali`, by witness).
- `maps/sha1.parquet` — sha1 → sha256 (ubuntu/kali rows), **sorted by
sha1**.
- `maps/md5.parquet` — md5 → sha256 (all witnesses), **sorted by md5**.
- `debs.sha256.bloom` — DCSO-format membership filter over the
1,675,146 distinct sha256 keys (p = 10⁻⁴, lowercase-hex keys).
`hdx filters fetch debs` installs it so `hdx scan` can route
matching files to this dataset.
- `debs.tsv.gz` — the normalized harvest the parquet is built from.
Both parquet files carry page indexes (zstd, no dictionaries,
128 KiB pages), so a point lookup over HTTP range reads fetches a few
tens of KB. This is how [hashdex](https://github.com/davidar/hashdex)
resolves hashes from the CLI and from a static browser page — and how
`hdx recipe` attaches fetchable claim URLs to the pool debs inside a
Debian install image (a verified, generalized jigdo).
## Rebuild
`tools/deb_packages.py` (index GETs only, never content) then
`tools/debs_parquet.py`, both in this repo and in the hashdex GitHub
repo. Suites are a point-in-time snapshot; re-harvest refreshes them.
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