Pith Number

pith:O3546UEY

pith:2023:O3546UEYZQRMY4K5PCBPOEXSYU

not attested not anchored not stored refs pending

EfficientOCR: An Extensible, Open-Source Package for Efficiently Digitizing World Knowledge

Abhishek Arora, Jacob Carlson, Melissa Dell, Tom Bryan

arxiv:2310.10050 v1 · 2023-10-16 · cs.CV · cs.CL · econ.GN · q-fin.EC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O3546UEYZQRMY4K5PCBPOEXSYU}

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	2026-07-05T07:01:14.530227Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76fbcf5098cc22cc715d7882f712f2c5368920104255ac9c72f1430b0458c7fa

Aliases

arxiv: 2310.10050 · arxiv_version: 2310.10050v1 · doi: 10.48550/arxiv.2310.10050 · pith_short_12: O3546UEYZQRM · pith_short_16: O3546UEYZQRMY4K5 · pith_short_8: O3546UEY

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/O3546UEYZQRMY4K5PCBPOEXSYU \
  | 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: 76fbcf5098cc22cc715d7882f712f2c5368920104255ac9c72f1430b0458c7fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3e7f57e48db813b9e11919756a044e738135c21a21d97df5f51f3360a9d84d4",
    "cross_cats_sorted": [
      "cs.CL",
      "econ.GN",
      "q-fin.EC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2023-10-16T04:20:16Z",
    "title_canon_sha256": "e1c88056005288f0cc77d86343899cf122461efa8d7ffd9f0ff18e043d924c98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2310.10050",
    "kind": "arxiv",
    "version": 1
  }
}