Pith Number

pith:2DKB2OKV

pith:2021:2DKB2OKVXRYV3MZAXJJ2RGXVQ6

not attested not anchored not stored refs pending

Distinguishing Commercial from Editorial Content in News

Jasper Schelling, Peter van der Putten, Timo Kats

arxiv:2111.03916 v1 · 2021-11-06 · 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{2DKB2OKVXRYV3MZAXJJ2RGXVQ6}

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	2026-07-05T03:30:42.733131Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0d41d3955bc715db320ba53a89af587bdbdbd6314520653224397b57521491e

Aliases

arxiv: 2111.03916 · arxiv_version: 2111.03916v1 · doi: 10.48550/arxiv.2111.03916 · pith_short_12: 2DKB2OKVXRYV · pith_short_16: 2DKB2OKVXRYV3MZA · pith_short_8: 2DKB2OKV

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/2DKB2OKVXRYV3MZAXJJ2RGXVQ6 \
  | 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: d0d41d3955bc715db320ba53a89af587bdbdbd6314520653224397b57521491e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "862e660be0cced1fd51dd54bdc82f79a90e4044437a5fae3000b3f63f1b11801",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-11-06T16:45:48Z",
    "title_canon_sha256": "b0dddf6a3ba3aea50eae60ea81cfaac912e7c14ac5297d80e1ee8a99dc05ef71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.03916",
    "kind": "arxiv",
    "version": 1
  }
}