Pith Number

pith:KYPNJQC5

pith:2020:KYPNJQC5Y2CRP2AWBTUSAFFR5E

not attested not anchored not stored refs pending

Leveraging GPT-2 for Classifying Spam Reviews with Limited Labeled Data via Adversarial Training

Anubha Agrawal, Athirai A. Irissappane, Gray Stanton, Hanfei Yu, Yankun Shen

arxiv:2012.13400 v1 · 2020-12-24 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KYPNJQC5Y2CRP2AWBTUSAFFR5E}

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	2026-07-05T02:01:57.863285Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

561ed4c05dc68517e8160ce92014b1e9309492d7d720d6efc43f0ed5ce008b3c

Aliases

arxiv: 2012.13400 · arxiv_version: 2012.13400v1 · doi: 10.48550/arxiv.2012.13400 · pith_short_12: KYPNJQC5Y2CR · pith_short_16: KYPNJQC5Y2CRP2AW · pith_short_8: KYPNJQC5

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/KYPNJQC5Y2CRP2AWBTUSAFFR5E \
  | 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: 561ed4c05dc68517e8160ce92014b1e9309492d7d720d6efc43f0ed5ce008b3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d817d28ed137f0ebd38563b4be3daac0094d14f390290b93b29d111e217a239",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2020-12-24T18:59:51Z",
    "title_canon_sha256": "0a094a303ebae94b59555e93f389843443a29cd8b9d10c2e27bc87abc46bea4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.13400",
    "kind": "arxiv",
    "version": 1
  }
}