Pith Number

pith:ZXKCAV4G

pith:2021:ZXKCAV4G4VT3LFAVCDH6TUNJB4

not attested not anchored not stored refs pending

Hidden Backdoors in Human-Centric Language Models

Benjamin Zi Hao Zhao, Haojin Zhu, Hui Liu, Jialiang Lu, Minhui Xue, Shaofeng Li, Tian Dong

arxiv:2105.00164 v3 · 2021-05-01 · cs.CL · 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{ZXKCAV4G4VT3LFAVCDH6TUNJB4}

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.

Cited by

1 paper in Pith

A Survey on Backdoor Threats in Large Language Models (LLMs): Attacks, Defenses, and Evaluations

Receipt and verification

First computed	2026-07-05T03:17:50.636142Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cdd4205786e567b5941510cfe9d1a90f027d744847e8863ea189c1449a1d2a8b

Aliases

arxiv: 2105.00164 · arxiv_version: 2105.00164v3 · doi: 10.48550/arxiv.2105.00164 · pith_short_12: ZXKCAV4G4VT3 · pith_short_16: ZXKCAV4G4VT3LFAV · pith_short_8: ZXKCAV4G

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/ZXKCAV4G4VT3LFAVCDH6TUNJB4 \
  | 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: cdd4205786e567b5941510cfe9d1a90f027d744847e8863ea189c1449a1d2a8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25cd97bacf488d1597f822a8dc6f283f67a7146f802a79162825e40636add160",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-05-01T04:41:00Z",
    "title_canon_sha256": "ddb7b94a6531a6afaf170074aa5614ded6a3d188023ccff65476979f1bb67bb3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.00164",
    "kind": "arxiv",
    "version": 3
  }
}