Pith Number

pith:MLQF2QYT

pith:2020:MLQF2QYTRARFQBYI5TJYY27HV5

not attested not anchored not stored refs pending

Frequency-Guided Word Substitutions for Detecting Textual Adversarial Examples

Bennett Kleinberg, Lewis D. Griffin, Maximilian Mozes, Pontus Stenetorp

arxiv:2004.05887 v2 · 2020-04-13 · 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{MLQF2QYTRARFQBYI5TJYY27HV5}

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	2026-07-05T02:09:38.288428Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62e05d43138822580708ecd38c6be7af776b44a282fdb3a64bea681ccb3d2d44

Aliases

arxiv: 2004.05887 · arxiv_version: 2004.05887v2 · doi: 10.48550/arxiv.2004.05887 · pith_short_12: MLQF2QYTRARF · pith_short_16: MLQF2QYTRARFQBYI · pith_short_8: MLQF2QYT

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/MLQF2QYTRARFQBYI5TJYY27HV5 \
  | 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: 62e05d43138822580708ecd38c6be7af776b44a282fdb3a64bea681ccb3d2d44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a151759c869cd0bd825a84f1590551b12e8f4023ee819d3d2d42f7c5dcd1a1a8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2020-04-13T12:11:36Z",
    "title_canon_sha256": "9350d2ad749e1c996ca4612fd4210d75e0169ddf3c20c14620adc1a30f29e25d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.05887",
    "kind": "arxiv",
    "version": 2
  }
}