Pith Number

pith:FMJJIWER

pith:2026:FMJJIWER2PQ4NEWCP7SHZOEG6Z

not attested not anchored not stored refs pending

Token-Flow Firewall: Semantic Runtime Auditing for Persistent AI Agents

Jiafeng Guo, Puji Wang, Ruqing Zhang, Xueqi Cheng, Yingchen Zhang

arxiv:2607.08395 v1 · 2026-07-09 · cs.CR · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FMJJIWER2PQ4NEWCP7SHZOEG6Z}

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	2026-07-10T01:19:48.950076Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b12945891d3e1c692c27fe47cb886f67e11b1a9dd95260fd704c23c09a5df7d

Aliases

arxiv: 2607.08395 · arxiv_version: 2607.08395v1 · doi: 10.48550/arxiv.2607.08395 · pith_short_12: FMJJIWER2PQ4 · pith_short_16: FMJJIWER2PQ4NEWC · pith_short_8: FMJJIWER

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/FMJJIWER2PQ4NEWCP7SHZOEG6Z \
  | 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: 2b12945891d3e1c692c27fe47cb886f67e11b1a9dd95260fd704c23c09a5df7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f1eb3694dc308219e70bab408ac6b14d1385eb749ad0c56fed188b7b86624b4",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-07-09T12:18:40Z",
    "title_canon_sha256": "060b64a2416356740dc89f53462a8462c8785386ffcd9116d93258b5869341a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.08395",
    "kind": "arxiv",
    "version": 1
  }
}