Pith Number

pith:5D6Q5UUY

pith:2026:5D6Q5UUYQDSEUBVPCC6AO4VISL

not attested not anchored not stored refs pending

When Self-Evolution Backfires: Pre-Commit Gating against Skill Contamination in LLM Agents

Lan Xu, Linfang Shang, Lingxiang Hu, Ming Xu, Ning Zheng, Tianle Xia, Yiding Sun

arxiv:2608.05810 v1 · 2026-08-06 · cs.AI · 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{5D6Q5UUYQDSEUBVPCC6AO4VISL}

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	2026-08-07T00:52:48.081836Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8fd0ed29880e44a06af10bc0772a892c02604b2434ac18561124bfeef4c5083

Aliases

arxiv: 2608.05810 · arxiv_version: 2608.05810v1 · doi: 10.48550/arxiv.2608.05810 · pith_short_12: 5D6Q5UUYQDSE · pith_short_16: 5D6Q5UUYQDSEUBVP · pith_short_8: 5D6Q5UUY

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/5D6Q5UUYQDSEUBVPCC6AO4VISL \
  | 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: e8fd0ed29880e44a06af10bc0772a892c02604b2434ac18561124bfeef4c5083

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea736c78a5ff55eb9a6152f780836259da4ecc5df75a5c751a3ca00a6298acf2",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-08-06T09:43:04Z",
    "title_canon_sha256": "68b7e65b25434f7d8de002278681d30ba56d0254f2603bef9d17aae6e71d6529"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.05810",
    "kind": "arxiv",
    "version": 1
  }
}