Pith Number

pith:D7QDXJQN

pith:2014:D7QDXJQNHZCMBOTNEOFM6ZRQYT

not attested not anchored not stored refs pending

Who watches the watchers: Validating the ProB Validation Tool

D\"usseldorf, Germany), Jens Bendisposto (Heinrich Heine University, Michael Leuschel (Heinrich Heine University, Sebastian Krings (Heinrich Heine University

arxiv:1404.6603 v1 · 2014-04-26 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D7QDXJQNHZCMBOTNEOFM6ZRQYT}

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	2026-05-18T02:53:06.602567Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fe03ba60d3e44c0ba6d238acf6630c4f38cc874e7cb92f36b570d007e91c1e5

Aliases

arxiv: 1404.6603 · arxiv_version: 1404.6603v1 · doi: 10.48550/arxiv.1404.6603 · pith_short_12: D7QDXJQNHZCM · pith_short_16: D7QDXJQNHZCMBOTN · pith_short_8: D7QDXJQN

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/D7QDXJQNHZCMBOTNEOFM6ZRQYT \
  | 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: 1fe03ba60d3e44c0ba6d238acf6630c4f38cc874e7cb92f36b570d007e91c1e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a38cd44bd024d615bcf5a03b7e017cefccd23017163500e0a7ee5aed0dabe78",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2014-04-26T05:32:16Z",
    "title_canon_sha256": "d85c6d993c4ec0bd38345283c16e88c3554cf2faad829fe43c1488ff6b147f30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.6603",
    "kind": "arxiv",
    "version": 1
  }
}