Pith Number

pith:VOIL2XZX

pith:2021:VOIL2XZXFXV65UNLZQNYCF2QZW

not attested not anchored not stored refs pending

NewsEdits: A Dataset of Revision Histories for News Articles (Technical Report: Data Processing)

Alexander Spangher, Jonathan May

arxiv:2104.09647 v2 · 2021-04-19 · cs.CL · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VOIL2XZXFXV65UNLZQNYCF2QZW}

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	2026-07-05T04:36:18.914400Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab90bd5f372debeed1abcc1b811750cd97f19e4e4db601d48b95ceffec947742

Aliases

arxiv: 2104.09647 · arxiv_version: 2104.09647v2 · doi: 10.48550/arxiv.2104.09647 · pith_short_12: VOIL2XZXFXV6 · pith_short_16: VOIL2XZXFXV65UNL · pith_short_8: VOIL2XZX

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/VOIL2XZXFXV65UNLZQNYCF2QZW \
  | 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: ab90bd5f372debeed1abcc1b811750cd97f19e4e4db601d48b95ceffec947742

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf02d67162408c71245c259f80d2a7fa1067ccd4d6455a71fe182cc7f5e60851",
    "cross_cats_sorted": [
      "cs.DL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-04-19T21:15:30Z",
    "title_canon_sha256": "9e9b8d3edfce23417226c8b9dc5aa3b9fac691be082f130a35625c7602171590"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.09647",
    "kind": "arxiv",
    "version": 2
  }
}