Pith Number

pith:NRT5K4HN

pith:2020:NRT5K4HNKA5KALGDGXTLTQ5SXM

not attested not anchored not stored refs pending

DEFECTCHECKER: Automated Smart Contract Defect Detection by Analyzing EVM Bytecode

David Lo, Jiachi Chen, John Grundy, Ting Chen, Xiapu Luo, Xin Xia

arxiv:2009.02663 v2 · 2020-09-06 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NRT5K4HNKA5KALGDGXTLTQ5SXM}

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	2026-07-05T02:25:23.422895Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c67d570ed503aa02cc335e6b9c3b2bb1eb404259ece1c40af64e850d387d745

Aliases

arxiv: 2009.02663 · arxiv_version: 2009.02663v2 · doi: 10.48550/arxiv.2009.02663 · pith_short_12: NRT5K4HNKA5K · pith_short_16: NRT5K4HNKA5KALGD · pith_short_8: NRT5K4HN

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/NRT5K4HNKA5KALGDGXTLTQ5SXM \
  | 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: 6c67d570ed503aa02cc335e6b9c3b2bb1eb404259ece1c40af64e850d387d745

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0154ec27f8b9cb290d94a1b8ced553927af0b6a7702a87a199f95ddf6b0872aa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2020-09-06T07:38:45Z",
    "title_canon_sha256": "21c3a51a076dc8b0720b9ee6300b65770454f8165d3cf15538f9a973afa837b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.02663",
    "kind": "arxiv",
    "version": 2
  }
}