Pith Number

pith:2YRMWRBT

pith:2017:2YRMWRBT2PAYYJUEZZPH7XOPQO

not attested not anchored not stored refs pending

Transfer Learning for OCRopus Model Training on Early Printed Books

Christian Reul, Christoph Wick, Frank Puppe, Uwe Springmann

arxiv:1712.05586 v2 · 2017-12-15 · 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{2YRMWRBT2PAYYJUEZZPH7XOPQO}

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	2026-05-18T00:27:29.883972Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d622cb4433d3c18c2684ce5e7fddcf83baa14aede5ecfc00e7e3facaaeed5d89

Aliases

arxiv: 1712.05586 · arxiv_version: 1712.05586v2 · doi: 10.48550/arxiv.1712.05586 · pith_short_12: 2YRMWRBT2PAY · pith_short_16: 2YRMWRBT2PAYYJUE · pith_short_8: 2YRMWRBT

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/2YRMWRBT2PAYYJUEZZPH7XOPQO \
  | 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: d622cb4433d3c18c2684ce5e7fddcf83baa14aede5ecfc00e7e3facaaeed5d89

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f61aa567a6e720c67af1f63697aeb8930a48d3bd7f5d4949f9c9b3d4cd3251f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-12-15T09:14:38Z",
    "title_canon_sha256": "9ec38e987ef62b8cc19a74caa4de9d8a1b9db36eb0c99b1c582307bea14873b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.05586",
    "kind": "arxiv",
    "version": 2
  }
}