Pith Number

pith:E5QDMR7Z

pith:2026:E5QDMR7ZQZRUKTAF6XVMFY2QRC

not attested not anchored not stored refs pending

PTSan: A Practical Memory Safety Sanitizer for C/C++ with Pointer-Object Authority

Eli Davis, Eric Lahtinen, Michael Gordon

arxiv:2607.19246 v1 · 2026-07-21 · 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{E5QDMR7ZQZRUKTAF6XVMFY2QRC}

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	2026-07-22T01:24:16.267909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27603647f98663454c05f5eac2e35088a74022d9e0a489d040e56c94b7a8d64a

Aliases

arxiv: 2607.19246 · arxiv_version: 2607.19246v1 · doi: 10.48550/arxiv.2607.19246 · pith_short_12: E5QDMR7ZQZRU · pith_short_16: E5QDMR7ZQZRUKTAF · pith_short_8: E5QDMR7Z

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/E5QDMR7ZQZRUKTAF6XVMFY2QRC \
  | 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: 27603647f98663454c05f5eac2e35088a74022d9e0a489d040e56c94b7a8d64a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a4076763c81bc1537b90c9722ec8ce80bc7e9a405bef818b8d4566697b6f774",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-07-21T16:16:27Z",
    "title_canon_sha256": "577b55f3a34dee05a47126c526d0d34f2a0aa7a7b7b83c1136c34e44152e0192"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.19246",
    "kind": "arxiv",
    "version": 1
  }
}