Pith Number

pith:72OYD4GD

pith:2023:72OYD4GDZKHNGMIWQ3T4KCQEYG

not attested not anchored not stored refs pending

Estimating Post-OCR Denoising Complexity on Numerical Texts

Arthur Hemmer, Jean-Marc Ogier, J\'er\^ome Brachat, Micka\"el Coustaty

arxiv:2307.01020 v1 · 2023-07-03 · 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{72OYD4GDZKHNGMIWQ3T4KCQEYG}

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	2026-07-05T06:27:02.952180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe9d81f0c3ca8ed3311686e7c50a04c1be2d7a0c2154e2928e3e2eda51b4ea90

Aliases

arxiv: 2307.01020 · arxiv_version: 2307.01020v1 · doi: 10.48550/arxiv.2307.01020 · pith_short_12: 72OYD4GDZKHN · pith_short_16: 72OYD4GDZKHNGMIW · pith_short_8: 72OYD4GD

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/72OYD4GDZKHNGMIWQ3T4KCQEYG \
  | 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: fe9d81f0c3ca8ed3311686e7c50a04c1be2d7a0c2154e2928e3e2eda51b4ea90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "290b95fda724c9d71d27b3c17dce0783ccd783fdea4373ec2301f39a5f7c968b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2023-07-03T13:49:14Z",
    "title_canon_sha256": "e9d05d822496d1f5705c3bc33c919b863b2585fc3384295d9f9b238f5edfcfca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.01020",
    "kind": "arxiv",
    "version": 1
  }
}