Pith Number

pith:7ZCSIT42

pith:2022:7ZCSIT42MLH5WRVQ5X3HPXIY4M

not attested not anchored not stored refs pending

A Survey on Backdoor Attack and Defense in Natural Language Processing

Piji Li, Xiangmao Chang, Xuan Sheng, Zhaoyang Han

arxiv:2211.11958 v1 · 2022-11-22 · 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{7ZCSIT42MLH5WRVQ5X3HPXIY4M}

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

Obfuscated Activations Bypass LLM Latent-Space Defenses

Receipt and verification

First computed	2026-07-05T05:18:11.209818Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe45244f9a62cfdb46b0edf677dd18e322aa01ae1a08b0793e3128c93df563ae

Aliases

arxiv: 2211.11958 · arxiv_version: 2211.11958v1 · doi: 10.48550/arxiv.2211.11958 · pith_short_12: 7ZCSIT42MLH5 · pith_short_16: 7ZCSIT42MLH5WRVQ · pith_short_8: 7ZCSIT42

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/7ZCSIT42MLH5WRVQ5X3HPXIY4M \
  | 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: fe45244f9a62cfdb46b0edf677dd18e322aa01ae1a08b0793e3128c93df563ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17e857b2eef30d1371037cb08da96194b464f43d5f6cd34cbcf03c82ac54635d",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2022-11-22T02:35:12Z",
    "title_canon_sha256": "2eddfc9e84962cbdbf4725beb7008d1e639512c4c6af5396dc0511506110e7ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.11958",
    "kind": "arxiv",
    "version": 1
  }
}