Pith Number

pith:NRNX2MYO

pith:2025:NRNX2MYOMQZXXQKGRHTMWQLBQO

not attested not anchored not stored refs pending

Early evidence of how LLMs outperform traditional systems on OCR/HTR tasks for historical records

Hugues Bersini, Julien Baudru, Seorin Kim, Vincent Ginis, Wouter Ryckbosch

arxiv:2501.11623 v1 · 2025-01-20 · cs.CV · 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{NRNX2MYOMQZXXQKGRHTMWQLBQO}

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.

Cited by

1 paper in Pith

ICDAR 2026 HIPE-OCRepair Competition on LLM-Assisted OCR Post-Correction for Historical Documents

Receipt and verification

First computed	2026-07-05T10:03:11.677959Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c5b7d330e64337bc14689e6cb4161839ddf6f3f08d748ed6b738043403cdaed

Aliases

arxiv: 2501.11623 · arxiv_version: 2501.11623v1 · doi: 10.48550/arxiv.2501.11623 · pith_short_12: NRNX2MYOMQZX · pith_short_16: NRNX2MYOMQZXXQKG · pith_short_8: NRNX2MYO

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/NRNX2MYOMQZXXQKGRHTMWQLBQO \
  | 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: 6c5b7d330e64337bc14689e6cb4161839ddf6f3f08d748ed6b738043403cdaed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "faae86322f378083314c82cf6fd0afb6e63b2e41d0de73f90153c3b566a8358e",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-01-20T17:46:12Z",
    "title_canon_sha256": "91f102fbe9025750a55db5e46ec8fd8ed6095ffb0c8407dec1afd5973b8c2fa7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.11623",
    "kind": "arxiv",
    "version": 1
  }
}