Pith Number

pith:VQUXHD4O

pith:2026:VQUXHD4OXMMDA7MSQWPM6YJEEN

not attested not anchored not stored refs pending

KletterMix: Climbing Toward High-Quality German Pretraining Data

Abbas Goher Khan, Kristian Kersting, Maurice Kraus, Mehdi Ali, Michael Fromm, Ruben H\"arle, Sebastian Sztwiertnia

arxiv:2606.03773 v1 · 2026-06-02 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VQUXHD4OXMMDA7MSQWPM6YJEEN}

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	2026-06-03T02:06:02.089265Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac29738f8ebb18307d92859ecf61242364083c2acf69477aaac8e95d67cfb703

Aliases

arxiv: 2606.03773 · arxiv_version: 2606.03773v1 · doi: 10.48550/arxiv.2606.03773 · pith_short_12: VQUXHD4OXMMD · pith_short_16: VQUXHD4OXMMDA7MS · pith_short_8: VQUXHD4O

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/VQUXHD4OXMMDA7MSQWPM6YJEEN \
  | 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: ac29738f8ebb18307d92859ecf61242364083c2acf69477aaac8e95d67cfb703

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b41b257932e9afecff23efd40eafc5f25f0dad2d1e6e163bf90b38fd3f878419",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-06-02T15:28:15Z",
    "title_canon_sha256": "620a9dd87558776a762c0f6750779adc88de45e613c2a035acdca66aa1262c2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.03773",
    "kind": "arxiv",
    "version": 1
  }
}