Pith Number

pith:26SM5M2C

pith:2021:26SM5M2C3R5IQXV3LIRXUA2P7P

not attested not anchored not stored refs pending

Turn the Combination Lock: Learnable Textual Backdoor Attacks via Word Substitution

Fanchao Qi, Maosong Sun, Sophia Xu, Yuan Yao, Zhiyuan Liu

arxiv:2106.06361 v1 · 2021-06-11 · 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{26SM5M2C3R5IQXV3LIRXUA2P7P}

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

CL-Attack: Textual Backdoor Attacks via Cross-Lingual Triggers

Receipt and verification

First computed	2026-07-05T02:48:28.960298Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7a4ceb342dc7a885ebb5a237a034ffbc60dac04277693539473e2346f2d14a6

Aliases

arxiv: 2106.06361 · arxiv_version: 2106.06361v1 · doi: 10.48550/arxiv.2106.06361 · pith_short_12: 26SM5M2C3R5I · pith_short_16: 26SM5M2C3R5IQXV3 · pith_short_8: 26SM5M2C

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/26SM5M2C3R5IQXV3LIRXUA2P7P \
  | 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: d7a4ceb342dc7a885ebb5a237a034ffbc60dac04277693539473e2346f2d14a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9eaa8d1f175f8fb0f2f19dc12a4b6dd0cd106134ea01c7f5aa492f692a4f6715",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-06-11T13:03:17Z",
    "title_canon_sha256": "8f5a4bcc6e01a9c1cbe97a537d779cd66f3c483041b414ad81cb0be5e6f0687e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.06361",
    "kind": "arxiv",
    "version": 1
  }
}