Pith Number

pith:4ZCHFOXR

pith:2026:4ZCHFOXR6I6RWZHCCE2K3SF4M6

not attested not anchored not stored refs pending

Library Drift: Diagnosing and Fixing a Silent Failure Mode in Self-Evolving LLM Skill Libraries

Bing Zhu, Guanghui Wang, Peiyang He, Wei Qiu, Xing Zhang, Yanwei Cui, Ziyuan Li

arxiv:2605.19576 v1 · 2026-05-19 · cs.AI · cs.CL · 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{4ZCHFOXR6I6RWZHCCE2K3SF4M6}

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	2026-05-20T01:05:52.548864Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e64472baf1f23d1b64e21134adc8bc67a6dd1bb94cb98d81882f0f45c37b42fb

Aliases

arxiv: 2605.19576 · arxiv_version: 2605.19576v1 · doi: 10.48550/arxiv.2605.19576 · pith_short_12: 4ZCHFOXR6I6R · pith_short_16: 4ZCHFOXR6I6RWZHC · pith_short_8: 4ZCHFOXR

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/4ZCHFOXR6I6RWZHCCE2K3SF4M6 \
  | 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: e64472baf1f23d1b64e21134adc8bc67a6dd1bb94cb98d81882f0f45c37b42fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c082f6a33a24338e50303b6bdc510a166cb8712080b9b7c3e9be08f1af3042f3",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.SE"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-05-19T09:19:56Z",
    "title_canon_sha256": "82f8ae74a60a7ac0b3681af552a0890d4817e94eb896167cbbacce66de44ff69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.19576",
    "kind": "arxiv",
    "version": 1
  }
}