Pith Number

pith:YIW7HDCX

pith:2019:YIW7HDCX6EBGXBOEZMHMQ5YYNF

not attested not anchored not stored refs pending

Collecting 16K archived web pages from 17 public web archives

Herbert Van de Sompel, Martin Klein, Michael L. Nelson, Michele C. Weigle, Mohamed Aturban

arxiv:1905.03836 v1 · 2019-05-09 · 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{YIW7HDCX6EBGXBOEZMHMQ5YYNF}

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	2026-05-17T23:46:35.484475Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c22df38c57f1026b85c4cb0ec87718696bb2a8a3c495566765f4b7811921a059

Aliases

arxiv: 1905.03836 · arxiv_version: 1905.03836v1 · doi: 10.48550/arxiv.1905.03836 · pith_short_12: YIW7HDCX6EBG · pith_short_16: YIW7HDCX6EBGXBOE · pith_short_8: YIW7HDCX

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/YIW7HDCX6EBGXBOEZMHMQ5YYNF \
  | 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: c22df38c57f1026b85c4cb0ec87718696bb2a8a3c495566765f4b7811921a059

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0043abdecd626d65526d56eea407ded0860682bff151a63c66161fe11674b65f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2019-05-09T20:00:23Z",
    "title_canon_sha256": "caabc0cdfa813acf510b147348a86f902e6a7186a07da1a633bccf84ed767917"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.03836",
    "kind": "arxiv",
    "version": 1
  }
}