Pith Number

pith:AOKQKZ2J

pith:2019:AOKQKZ2JCZWPR2TF3PEPEFLCUZ

not attested not anchored not stored refs pending

Verification Artifacts in Cooperative Verification: Survey and Unifying Component Framework

Dirk Beyer, Heike Wehrheim

arxiv:1905.08505 v1 · 2019-05-21 · cs.SE · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AOKQKZ2JCZWPR2TF3PEPEFLCUZ}

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	2026-05-17T23:45:43.017455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0395056749166cf8ea65dbc8f21562a668442299af4e35e927456ae994876157

Aliases

arxiv: 1905.08505 · arxiv_version: 1905.08505v1 · doi: 10.48550/arxiv.1905.08505 · pith_short_12: AOKQKZ2JCZWP · pith_short_16: AOKQKZ2JCZWPR2TF · pith_short_8: AOKQKZ2J

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/AOKQKZ2JCZWPR2TF3PEPEFLCUZ \
  | 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: 0395056749166cf8ea65dbc8f21562a668442299af4e35e927456ae994876157

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "545f84a8bcb4cbc9da599440eb69cc64f638ac3690395e85aeede5ac0d859883",
    "cross_cats_sorted": [
      "cs.PL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2019-05-21T08:57:10Z",
    "title_canon_sha256": "514c58c21d7f504278676cd40d0347fd1965ba795ecf60140bc53a914ed77fd8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.08505",
    "kind": "arxiv",
    "version": 1
  }
}