Pith Number

pith:E3CZNPRM

pith:2020:E3CZNPRMFRX4AXTSLTVXJIHSG5

not attested not anchored not stored refs pending

Beat the AI: Investigating Adversarial Human Annotation for Reading Comprehension

Alastair Roberts, Johannes Welbl, Max Bartolo, Pontus Stenetorp, Sebastian Riedel

arxiv:2002.00293 v2 · 2020-02-02 · 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{E3CZNPRMFRX4AXTSLTVXJIHSG5}

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	2026-07-05T01:52:16.197565Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26c596be2c2c6fc05e725ceb74a0f237596a4d307ba15e00a8afeaf8a18a2a03

Aliases

arxiv: 2002.00293 · arxiv_version: 2002.00293v2 · doi: 10.48550/arxiv.2002.00293 · pith_short_12: E3CZNPRMFRX4 · pith_short_16: E3CZNPRMFRX4AXTS · pith_short_8: E3CZNPRM

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/E3CZNPRMFRX4AXTSLTVXJIHSG5 \
  | 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: 26c596be2c2c6fc05e725ceb74a0f237596a4d307ba15e00a8afeaf8a18a2a03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed19d6cef177d0d5dc371705186b5ae61fd99988505cb40c0dd8102c53eb2220",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2020-02-02T00:22:55Z",
    "title_canon_sha256": "4fc21090f0ba3d741333619b54858eeefac37dca7d6159ea6a6fc0d55b5ad14e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.00293",
    "kind": "arxiv",
    "version": 2
  }
}