Pith Number

pith:JPRDV4QH

pith:2026:JPRDV4QHUEAPVQKEJCZOBNESYG

not attested not anchored not stored refs pending

WCXB: A Multi-Type Web Content Extraction Benchmark

Murrough Foley

arxiv:2605.21097 v1 · 2026-05-20 · 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{JPRDV4QHUEAPVQKEJCZOBNESYG}

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	2026-05-21T01:05:37.013213Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4be23af207a100fac14448b2e0b492c18d89cdbd743e702a7ae8f60086d94328

Aliases

arxiv: 2605.21097 · arxiv_version: 2605.21097v1 · doi: 10.48550/arxiv.2605.21097 · pith_short_12: JPRDV4QHUEAP · pith_short_16: JPRDV4QHUEAPVQKE · pith_short_8: JPRDV4QH

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/JPRDV4QHUEAPVQKEJCZOBNESYG \
  | 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: 4be23af207a100fac14448b2e0b492c18d89cdbd743e702a7ae8f60086d94328

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc75da1300bb3172ed52aa160d11437d0cb56e3f3c83b4c48f3a26da2d19631d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-05-20T12:28:12Z",
    "title_canon_sha256": "dd839f4287d20e16e530f6af607a6cff410530afeeaf73d4c101824a186eddf1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.21097",
    "kind": "arxiv",
    "version": 1
  }
}