Pith Number

pith:BY5KPUQQ

pith:2025:BY5KPUQQ3LHRMENJUCL7BK2UWE

not attested not anchored not stored refs pending

vApps: Verifiable Applications at Internet Scale

Bryan Pellegrino, Daniel Wong, Isaac Zhang, John Guibas, Kshitij Kulkarni, Ryan Zarick, Tan Li, Thomas Kim, Uma Roy

arxiv:2504.14809 v5 · 2025-04-21 · cs.CR · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BY5KPUQQ3LHRMENJUCL7BK2UWE}

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	2026-07-05T10:56:17.544295Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e3aa7d210dacf1611a9a097f0ab54b139c4ab2047c0c22c5204a2022ab5bbc1

Aliases

arxiv: 2504.14809 · arxiv_version: 2504.14809v5 · doi: 10.48550/arxiv.2504.14809 · pith_short_12: BY5KPUQQ3LHR · pith_short_16: BY5KPUQQ3LHRMENJ · pith_short_8: BY5KPUQQ

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/BY5KPUQQ3LHRMENJUCL7BK2UWE \
  | 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: 0e3aa7d210dacf1611a9a097f0ab54b139c4ab2047c0c22c5204a2022ab5bbc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3484ac7400da8aeca86ebd8a49ffdfcce3490cb09a901437e1d49b8de56b2090",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2025-04-21T02:19:06Z",
    "title_canon_sha256": "c8917c54c3f6797cc9e2409903890ce00e4399bcc0fbbac9d28c763466298f3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.14809",
    "kind": "arxiv",
    "version": 5
  }
}