Pith Number

pith:JNK2Z255

pith:2023:JNK2Z255FIX262QHBL3BL454WO

not attested not anchored not stored refs pending

ShabbyPages: A Reproducible Document Denoising and Binarization Dataset

Alexander Groleau, Jonathan Boarman, Kok Wei Chee, Samay Maini, Stefan Larson

arxiv:2303.09339 v2 · 2023-03-16 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JNK2Z255FIX262QHBL3BL454WO}

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	2026-07-05T05:52:28.846014Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b55acebbd2a2faf6a070af615f3bcb39aeb7bf6aadb97cc11b7a22ae867616a

Aliases

arxiv: 2303.09339 · arxiv_version: 2303.09339v2 · doi: 10.48550/arxiv.2303.09339 · pith_short_12: JNK2Z255FIX2 · pith_short_16: JNK2Z255FIX262QH · pith_short_8: JNK2Z255

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/JNK2Z255FIX262QHBL3BL454WO \
  | 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: 4b55acebbd2a2faf6a070af615f3bcb39aeb7bf6aadb97cc11b7a22ae867616a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f79b93ac32bdb3f37a744936989603b687512b34a9244dd5d833049d201d9c7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2023-03-16T14:19:50Z",
    "title_canon_sha256": "64e95cfe82b131da18b19c20b228b7c79ce77495648defa9c06f6374556bdf73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.09339",
    "kind": "arxiv",
    "version": 2
  }
}