Pith Number

pith:UFYETCYS

pith:2024:UFYETCYSPU2D5MPX5LHHDFEJCE

not attested not anchored not stored refs pending

ContractTrace: Retracing Smart Contract Versions for Security Analyses

Fatou Ndiaye Mbodji, Gervais Mendy, Jacques Klein, Kui Liu, Moustapha Awwalou Diouf, Tegawende Bissyande, Vinny Adjibi

arxiv:2412.20866 v2 · 2024-12-30 · 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{UFYETCYSPU2D5MPX5LHHDFEJCE}

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	2026-07-05T11:33:18.969473Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a170498b127d343eb1f7eace71948911185f22a6f10cb9f4e31d4b9664738a66

Aliases

arxiv: 2412.20866 · arxiv_version: 2412.20866v2 · doi: 10.48550/arxiv.2412.20866 · pith_short_12: UFYETCYSPU2D · pith_short_16: UFYETCYSPU2D5MPX · pith_short_8: UFYETCYS

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/UFYETCYSPU2D5MPX5LHHDFEJCE \
  | 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: a170498b127d343eb1f7eace71948911185f22a6f10cb9f4e31d4b9664738a66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7acdd6ef3e12d2b6078fbfe33efa15494318c727ee17911ec14aa534731d60b5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2024-12-30T11:10:22Z",
    "title_canon_sha256": "310433eb67d4851e8e1b3a37c7f67b451023913b0f6e4fcdc881f4ef35edb2f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.20866",
    "kind": "arxiv",
    "version": 2
  }
}