Pith Number

pith:VKQWL4AA

pith:2019:VKQWL4AA7CDA7DW53UE52U5N4A

not attested not anchored not stored refs pending

Learning to Discriminate Perturbations for Blocking Adversarial Attacks in Text Classification

Jyun-Yu Jiang, Kai-Wei Chang, Wei Wang, Yichao Zhou

arxiv:1909.03084 v1 · 2019-09-06 · 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{VKQWL4AA7CDA7DW53UE52U5N4A}

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	2026-07-05T00:03:02.535167Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aaa165f000f8860f8edddd09dd53ade02f187cf57a4ebe650c1826d4e5e2e001

Aliases

arxiv: 1909.03084 · arxiv_version: 1909.03084v1 · doi: 10.48550/arxiv.1909.03084 · pith_short_12: VKQWL4AA7CDA · pith_short_16: VKQWL4AA7CDA7DW5 · pith_short_8: VKQWL4AA

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/VKQWL4AA7CDA7DW53UE52U5N4A \
  | 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: aaa165f000f8860f8edddd09dd53ade02f187cf57a4ebe650c1826d4e5e2e001

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41db94275607c5f6db4df3f21f3558c1af00635e6c8cc6f2beeb32753f550f75",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-09-06T18:13:48Z",
    "title_canon_sha256": "45058a0dea6244187cb7e6341ad5db529e7a4e9ae1e1ccc427f53fa2d6aa9f1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.03084",
    "kind": "arxiv",
    "version": 1
  }
}