Pith Number

pith:66OYRI54

pith:2011:66OYRI54PIWOG2GXAZJWU6EPAO

not attested not anchored not stored refs pending

Towards Automated Verification of Web Services

C. Ferreira, C. Vaz

arxiv:1111.2824 v1 · 2011-11-11 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{66OYRI54PIWOG2GXAZJWU6EPAO}

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	2026-05-18T04:08:24.974597Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f79d88a3bc7a2ce368d706536a788f038ed70a602f6751d2d04db501b112d955

Aliases

arxiv: 1111.2824 · arxiv_version: 1111.2824v1 · doi: 10.48550/arxiv.1111.2824 · pith_short_12: 66OYRI54PIWO · pith_short_16: 66OYRI54PIWOG2GX · pith_short_8: 66OYRI54

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/66OYRI54PIWOG2GXAZJWU6EPAO \
  | 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: f79d88a3bc7a2ce368d706536a788f038ed70a602f6751d2d04db501b112d955

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "474e37b358d23493427013167c8b6a56e915a94569b97ecd30779a83e171e773",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2011-11-11T19:14:05Z",
    "title_canon_sha256": "f19ad1752dd5b955a781dfee0fd8e16dcbc51e84237b81713591408bb0406f66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.2824",
    "kind": "arxiv",
    "version": 1
  }
}