Pith Number

pith:IPSFCUZG

pith:2017:IPSFCUZG45YWQLZADZODKSGGCM

not attested not anchored not stored refs pending

How Professional Hackers Understand Protected Code while Performing Attack Tasks

Bart Coppens, Bjorn De Sutter, Cataldo Basile, Marco Torchiano, Mariano Ceccato, Paolo Falcarin, Paolo Tonella

arxiv:1704.02774 v2 · 2017-04-10 · cs.SE · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IPSFCUZG45YWQLZADZODKSGGCM}

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	2026-05-18T00:43:39.177366Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43e4515326e771682f201e5c3548c6133f6f8861e34100093dbcdc2fdc5f1841

Aliases

arxiv: 1704.02774 · arxiv_version: 1704.02774v2 · doi: 10.48550/arxiv.1704.02774 · pith_short_12: IPSFCUZG45YW · pith_short_16: IPSFCUZG45YWQLZA · pith_short_8: IPSFCUZG

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/IPSFCUZG45YWQLZADZODKSGGCM \
  | 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: 43e4515326e771682f201e5c3548c6133f6f8861e34100093dbcdc2fdc5f1841

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "efed97a9587a9de1795cbfecc3370ff52cea383f29c56bc5b58231328ef9f737",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2017-04-10T09:28:12Z",
    "title_canon_sha256": "4fd27aa5a5da6eb489a8c0f36e7c4a557e087566777eeb4213b58b014abfa05a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.02774",
    "kind": "arxiv",
    "version": 2
  }
}