Pith Number

pith:OXA4RE67

pith:2018:OXA4RE67AKQWBGVRLFWT55EZJR

not attested not anchored not stored refs pending

Chargrid: Towards Understanding 2D Documents

Anoop Raveendra Katti, Christian Reisswig, Cordula Guder, Jean Baptiste Faddoul, Johannes H\"ohne, Sebastian Brarda, Steffen Bickel

arxiv:1809.08799 v1 · 2018-09-24 · cs.CL · cs.CV · cs.LG · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OXA4RE67AKQWBGVRLFWT55EZJR}

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

2 papers in Pith

Document Parsing Unveiled: Techniques, Challenges, and Prospects for Structured Information Extraction

CodeOCR: On the Effectiveness of Vision Language Models in Code Understanding

Receipt and verification

First computed	2026-05-18T00:05:03.530670Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75c1c893df02a1609ab1596d3ef4994c48076493060100958551d9a4fa09e854

Aliases

arxiv: 1809.08799 · arxiv_version: 1809.08799v1 · doi: 10.48550/arxiv.1809.08799 · pith_short_12: OXA4RE67AKQW · pith_short_16: OXA4RE67AKQWBGVR · pith_short_8: OXA4RE67

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/OXA4RE67AKQWBGVRLFWT55EZJR \
  | 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: 75c1c893df02a1609ab1596d3ef4994c48076493060100958551d9a4fa09e854

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c44e36da5fac76142e1cdcb3a8b315517a51999ce6c9f071795efe6df02078c1",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG",
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-09-24T08:37:02Z",
    "title_canon_sha256": "2eb9ab0a2d381b23cb902c64153d68a5a8a085732e752d759f903adad9266a53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.08799",
    "kind": "arxiv",
    "version": 1
  }
}