Pith Number

pith:F5HFAR2P

pith:2021:F5HFAR2PHB3ZT223L7IVYUDMGE

not attested not anchored not stored refs pending

Hidden Killer: Invisible Textual Backdoor Attacks with Syntactic Trigger

Fanchao Qi, Maosong Sun, Mukai Li, Yangyi Chen, Yasheng Wang, Zhengyan Zhang, Zhiyuan Liu

arxiv:2105.12400 v2 · 2021-05-26 · 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{F5HFAR2PHB3ZT223L7IVYUDMGE}

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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

2 papers in Pith

SCOUT: A Defense Against Data Poisoning Attacks in Fine-Tuned Language Models

A Patch-based Cross-view Regularized Framework for Backdoor Defense in Multimodal Large Language Models

Receipt and verification

First computed	2026-07-05T02:45:50.289534Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f4e50474f387799eb5b5fd15c506c313c3f48ce1454fd491604791b0b7cd74b

Aliases

arxiv: 2105.12400 · arxiv_version: 2105.12400v2 · doi: 10.48550/arxiv.2105.12400 · pith_short_12: F5HFAR2PHB3Z · pith_short_16: F5HFAR2PHB3ZT223 · pith_short_8: F5HFAR2P

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/F5HFAR2PHB3ZT223L7IVYUDMGE \
  | 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: 2f4e50474f387799eb5b5fd15c506c313c3f48ce1454fd491604791b0b7cd74b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1fa6dd19341d59192c11fa5a8d09ca89c4cb9805d66e5ed9e89a09aeea1e5276",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-05-26T08:54:19Z",
    "title_canon_sha256": "079fd535e7c4d8af05a59420fa5c2d650d23d80c482e03b6c5dd1bbf1597d1a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.12400",
    "kind": "arxiv",
    "version": 2
  }
}