Pith Number

pith:6I2TJ4OP

pith:2026:6I2TJ4OPNOC7FMY6LZSQX6XTPD

not attested not anchored not stored refs pending

Hybrid Adversarial Defence for Natural Language Understanding Tasks

Chenghua Lin, Manar Abouzaid, Stuart E. Middleton, Yang Wang

arxiv:2606.04612 v1 · 2026-06-03 · 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{6I2TJ4OPNOC7FMY6LZSQX6XTPD}

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	2026-06-04T01:09:21.306027Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f23534f1cf6b85f2b31e5e650bfaf378c9d3822dafb7d189723dc809e6d2661b

Aliases

arxiv: 2606.04612 · arxiv_version: 2606.04612v1 · doi: 10.48550/arxiv.2606.04612 · pith_short_12: 6I2TJ4OPNOC7 · pith_short_16: 6I2TJ4OPNOC7FMY6 · pith_short_8: 6I2TJ4OP

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/6I2TJ4OPNOC7FMY6LZSQX6XTPD \
  | 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: f23534f1cf6b85f2b31e5e650bfaf378c9d3822dafb7d189723dc809e6d2661b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02f8ccb3618e30f8a24ab0aa886beff93f76d62177a45605d64df3e395f7824b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-06-03T08:49:15Z",
    "title_canon_sha256": "2101f00144f8b142aa7f63f14eed24fe4696fbc96e2f6123cb2cd34874aac7db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.04612",
    "kind": "arxiv",
    "version": 1
  }
}