Pith Number

pith:IHO4UJ56

pith:2019:IHO4UJ56SA5VBBE25JKRPHTJQY

not attested not anchored not stored refs pending

ContractGuard: Defend Ethereum Smart Contracts with Embedded Intrusion Detection

Gansen Zhao, Jiahao He, Shing-Chi Cheung, Xinming Wang, Zhijian Xie

arxiv:1911.10472 v1 · 2019-11-24 · cs.SE · cs.NI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IHO4UJ56SA5VBBE25JKRPHTJQY}

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	2026-07-05T00:22:26.923423Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41ddca27be903b50849aea55179e698627a7b942d36b7923bcc7cef1ac174a31

Aliases

arxiv: 1911.10472 · arxiv_version: 1911.10472v1 · doi: 10.48550/arxiv.1911.10472 · pith_short_12: IHO4UJ56SA5V · pith_short_16: IHO4UJ56SA5VBBE2 · pith_short_8: IHO4UJ56

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/IHO4UJ56SA5VBBE25JKRPHTJQY \
  | 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: 41ddca27be903b50849aea55179e698627a7b942d36b7923bcc7cef1ac174a31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9beee357891e302fe710e10f0a0d0808b9307c24ea6bcc1d464fcd21e1d57860",
    "cross_cats_sorted": [
      "cs.NI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2019-11-24T08:41:51Z",
    "title_canon_sha256": "ffe87936b6226a1287d3da1fec30866d66685f6319a331415cef0f265324660b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.10472",
    "kind": "arxiv",
    "version": 1
  }
}