Pith Number

pith:W4QGK2V2

pith:2026:W4QGK2V2WID7IVUKYYED4ZM6DC

not attested not anchored not stored refs pending

The Illusion of Safety: Multi-Tier Verification of AI vs. Human C++ Code

Fadul Sikder, Jeff (Yu) Lei, Saif Mahmud, Yuede Ji, Zhang Haotian

arxiv:2607.00107 v1 · 2026-06-30 · 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{W4QGK2V2WID7IVUKYYED4ZM6DC}

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	2026-07-02T00:18:34.717495Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b720656abab207f4568ac6083e659e188fbd12074e11e0ae7aba7678d5f7f783

Aliases

arxiv: 2607.00107 · arxiv_version: 2607.00107v1 · doi: 10.48550/arxiv.2607.00107 · pith_short_12: W4QGK2V2WID7 · pith_short_16: W4QGK2V2WID7IVUK · pith_short_8: W4QGK2V2

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/W4QGK2V2WID7IVUKYYED4ZM6DC \
  | 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: b720656abab207f4568ac6083e659e188fbd12074e11e0ae7aba7678d5f7f783

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a1bbe19e4c525f9a0389d9c6252b9304d678f9647bc5acd4984db4d0fb29676",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2026-06-30T19:48:35Z",
    "title_canon_sha256": "658e85761e1c1aad7e86c2a02066e6513ce88b7c4bd47e548a5727cf309849ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.00107",
    "kind": "arxiv",
    "version": 1
  }
}