Pith Number

pith:QH5Q2UDH

pith:2026:QH5Q2UDHCWVEMQ4ERFQ2VI7JPY

not attested not anchored not stored refs pending

Smarter edits? Post-editing with error highlights and translation suggestions

Alina Karakanta, Andrea Camasta, Dora \v{Z}ug\v{c}i\'c, Fleur V.J. van Tellingen, Gautam Ranka, Joyce van der Wal, Livio Guerra

arxiv:2605.21135 v1 · 2026-05-20 · 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{QH5Q2UDHCWVEMQ4ERFQ2VI7JPY}

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	2026-05-21T01:05:39.326406Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81fb0d506715aa4643848961aaa3e97e26ec5460fd4e23c76f43f0229b6ba3f0

Aliases

arxiv: 2605.21135 · arxiv_version: 2605.21135v1 · doi: 10.48550/arxiv.2605.21135 · pith_short_12: QH5Q2UDHCWVE · pith_short_16: QH5Q2UDHCWVEMQ4E · pith_short_8: QH5Q2UDH

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/QH5Q2UDHCWVEMQ4ERFQ2VI7JPY \
  | 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: 81fb0d506715aa4643848961aaa3e97e26ec5460fd4e23c76f43f0229b6ba3f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb38e7fb7304c862478db03013f494884759c0158329318cf468b20efa07502a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-05-20T13:09:51Z",
    "title_canon_sha256": "644fd825907da695c2981207cbf0e88e5219ade9d6483da885b58bf6796adc26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.21135",
    "kind": "arxiv",
    "version": 1
  }
}