Pith Number

pith:UHY7DV6U

pith:2026:UHY7DV6UBPRLN6OH3GIEO6DP3Z

not attested not anchored not stored refs pending

A Sovereign, Open-Source Foundation Model for German and English

Abbas Goher Khan, Alexander L\"oser, Alex Jude, Andreas Hotho, Daniil Gurgurov, David Fitzek, Jan Pfister, Jan Plogsties, Joachim k\"ohler, J\"org Bienert, Kristian Kersting, Lukas Helff, Markus Frey, Maurice Kraus, Maximilian Idahl, Max L\"ubbering, Mehdi Ali, Michael Fromm, Nicolas Flores-Herr, Patrick Putzky, Richard Rutmann, Ruben H\"arle, Sebastian Sztwiertnia, Sebastian von Rohrscheidt, Simon Gottschalk, Simon Ostermann, The Soofi-Team: Benedikt Droste, Timm Ruland, Tom R\"ohr, Wolfgang Nejdl

arxiv:2607.09424 v1 · 2026-07-10 · cs.CL · cs.AI · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UHY7DV6UBPRLN6OH3GIEO6DP3Z}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-13T01:19:13.944112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1f1f1d7d40be2b6f9c7d99047786fde472483aaaa58c06cab6c508ec0f77420

Aliases

arxiv: 2607.09424 · arxiv_version: 2607.09424v1 · doi: 10.48550/arxiv.2607.09424 · pith_short_12: UHY7DV6UBPRL · pith_short_16: UHY7DV6UBPRLN6OH · pith_short_8: UHY7DV6U

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/UHY7DV6UBPRLN6OH3GIEO6DP3Z \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: a1f1f1d7d40be2b6f9c7d99047786fde472483aaaa58c06cab6c508ec0f77420

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45315f9bedddfbef4fb4afec955254b7daaedcfd4074a38e88902eff25c32a32",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-07-10T13:51:41Z",
    "title_canon_sha256": "d0670f07852cd106095565435c053a4d85bccc886b671b27011c0575d8723484"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.09424",
    "kind": "arxiv",
    "version": 1
  }
}