Pith Number

pith:J4OVTRKF

pith:2021:J4OVTRKFVLSA4INYOPVI6BSGPI

not attested not anchored not stored refs pending

Repairing Adversarial Texts through Perturbation

Guoliang Dong, Jie Shi, Jingyi Wang, Jin Song Dong, Jun Sun, Sudipta Chattopadhyay, Ting Dai, Xinyu Wang

arxiv:2201.02504 v1 · 2021-12-29 · cs.CL · cs.AI · 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{J4OVTRKFVLSA4INYOPVI6BSGPI}

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	2026-07-05T03:46:41.774995Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f1d59c545aae40e21b873ea8f06467a32f1f6f6c948e89cdc407c566f8a0c99

Aliases

arxiv: 2201.02504 · arxiv_version: 2201.02504v1 · doi: 10.48550/arxiv.2201.02504 · pith_short_12: J4OVTRKFVLSA · pith_short_16: J4OVTRKFVLSA4INY · pith_short_8: J4OVTRKF

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/J4OVTRKFVLSA4INYOPVI6BSGPI \
  | 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: 4f1d59c545aae40e21b873ea8f06467a32f1f6f6c948e89cdc407c566f8a0c99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca7239d123750c2c2e0c52ad02b175aaa790ee2ea64683f161976dce56446a95",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-12-29T03:57:02Z",
    "title_canon_sha256": "18e010f0f61b327d9d7ad4ec6cdefceb6f5aa9a42dc8630fb6c1ac880a53c1ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.02504",
    "kind": "arxiv",
    "version": 1
  }
}