Pith Number

pith:4HQNHZBT

pith:2021:4HQNHZBTVYWCFKVCWNDF5ZDEEG

not attested not anchored not stored refs pending

Defending Pre-trained Language Models from Adversarial Word Substitutions Without Performance Sacrifice

Hai Zhao, Jiayi Wang, Rongzhou Bao

arxiv:2105.14553 v1 · 2021-05-30 · cs.CL

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4HQNHZBTVYWCFKVCWNDF5ZDEEG}

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	2026-07-05T02:44:38.865584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1e0d3e433ae2c22aaa2b3465ee46421a837c207177b203bd07cd3367b3a4a3c

Aliases

arxiv: 2105.14553 · arxiv_version: 2105.14553v1 · doi: 10.48550/arxiv.2105.14553 · pith_short_12: 4HQNHZBTVYWC · pith_short_16: 4HQNHZBTVYWCFKVC · pith_short_8: 4HQNHZBT

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/4HQNHZBTVYWCFKVCWNDF5ZDEEG \
  | 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: e1e0d3e433ae2c22aaa2b3465ee46421a837c207177b203bd07cd3367b3a4a3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b398222a4900a2f30a45b4a32351b637a579f37585fe6c5235daf944b5afbc84",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-05-30T14:24:53Z",
    "title_canon_sha256": "4b211714c0e7e7cd880a460430046a9e2b45e87ebd570292c32849380567be22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.14553",
    "kind": "arxiv",
    "version": 1
  }
}