Pith Number

pith:PTJKNOWO

pith:2025:PTJKNOWOF6L6EYIAAKOXT4ZJ3B

not attested not anchored not stored refs pending

Preface to the Special Issue of the TAL Journal on Scholarly Document Processing

Akiko Aizawa, Florian Boudin

arxiv:2506.03587 v1 · 2025-06-04 · cs.DL · 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{PTJKNOWOF6L6EYIAAKOXT4ZJ3B}

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	2026-07-05T11:15:30.788643Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cd2a6bace2f97e26100029d79f329d85299ec99de7fc5d38e6f2293829a5369

Aliases

arxiv: 2506.03587 · arxiv_version: 2506.03587v1 · doi: 10.48550/arxiv.2506.03587 · pith_short_12: PTJKNOWOF6L6 · pith_short_16: PTJKNOWOF6L6EYIA · pith_short_8: PTJKNOWO

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/PTJKNOWOF6L6EYIAAKOXT4ZJ3B \
  | 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: 7cd2a6bace2f97e26100029d79f329d85299ec99de7fc5d38e6f2293829a5369

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28415f592b8df746d6a714c5fce3dcbd20d3565abacd4d52bee104a0da1bd959",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2025-06-04T05:35:39Z",
    "title_canon_sha256": "a5b47dc8e00aded0d7342b704323597126c9556b051490516b590121349fa3f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.03587",
    "kind": "arxiv",
    "version": 1
  }
}