Pith Number

pith:YNUL22HZ

pith:2011:YNUL22HZWJDVG6JGHNGY4DV5ER

not attested not anchored not stored refs pending

Best Effort and Practice Activation Codes

Eric R. Verheul, Gerhard de Koning Gans

arxiv:1101.0698 v2 · 2011-01-04 · cs.CR · cs.CE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YNUL22HZWJDVG6JGHNGY4DV5ER}

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	2026-05-18T04:19:32.120900Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c368bd68f9b2475379263b4d8e0ebd24618a95b5c2c2f5278dbe0bb015b6e427

Aliases

arxiv: 1101.0698 · arxiv_version: 1101.0698v2 · doi: 10.48550/arxiv.1101.0698 · pith_short_12: YNUL22HZWJDV · pith_short_16: YNUL22HZWJDVG6JG · pith_short_8: YNUL22HZ

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/YNUL22HZWJDVG6JGHNGY4DV5ER \
  | 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: c368bd68f9b2475379263b4d8e0ebd24618a95b5c2c2f5278dbe0bb015b6e427

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "022a843c9529a73f8b70b1526dc3c4fe02029925b4342ec334ef5386d1e09ada",
    "cross_cats_sorted": [
      "cs.CE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2011-01-04T10:41:27Z",
    "title_canon_sha256": "15b0fad278f67a5c6167635bf7cb62b43cf356316f02a76ad8a979636039c72e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.0698",
    "kind": "arxiv",
    "version": 2
  }
}