Pith Number

pith:7O4YZPNL

pith:2019:7O4YZPNL3MRYXTNXFIXNMKSSQ7

not attested not anchored not stored refs pending

A Hybrid Formal Verification System in Coq for Ensuring the Reliability and Security of Ethereum-based Service Smart Contracts

Hang Lei, Weizhong Qian, Zheng Yang

arxiv:1902.08726 v3 · 2019-02-23 · 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{7O4YZPNL3MRYXTNXFIXNMKSSQ7}

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.

Cited by

1 paper in Pith

Security Analysis Methods on Ethereum Smart Contract Vulnerabilities: A Survey

Receipt and verification

First computed	2026-07-05T00:35:09.453228Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbb98cbdabdb238bcdb72a2ed62a5287c658c1dba84d4fe782cf3b67d1659370

Aliases

arxiv: 1902.08726 · arxiv_version: 1902.08726v3 · doi: 10.48550/arxiv.1902.08726 · pith_short_12: 7O4YZPNL3MRY · pith_short_16: 7O4YZPNL3MRYXTNX · pith_short_8: 7O4YZPNL

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/7O4YZPNL3MRYXTNXFIXNMKSSQ7 \
  | 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: fbb98cbdabdb238bcdb72a2ed62a5287c658c1dba84d4fe782cf3b67d1659370

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f193f3c0ada351f72cdddf439ea44be28da4cbfc48b75f5b3012159c6c67f91c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2019-02-23T03:32:06Z",
    "title_canon_sha256": "858af76f4c002c9685563c30c5bef4bdf376505150477933b81aa0a378483b66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.08726",
    "kind": "arxiv",
    "version": 3
  }
}