Pith Number

pith:GJDBNASG

pith:2022:GJDBNASGIQHPVR3JOMZAO6BZ3Y

not attested not anchored not stored refs pending

What Makes Reading Comprehension Questions Difficult?

Alex Warstadt, Nikita Nangia, Saku Sugawara, Samuel R. Bowman

arxiv:2203.06342 v1 · 2022-03-12 · cs.CL · 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{GJDBNASGIQHPVR3JOMZAO6BZ3Y}

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	2026-07-05T04:04:49.827534Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3246168246440efac7697332077839de1b5c9c2f2886b170c2ab59db60123013

Aliases

arxiv: 2203.06342 · arxiv_version: 2203.06342v1 · doi: 10.48550/arxiv.2203.06342 · pith_short_12: GJDBNASGIQHP · pith_short_16: GJDBNASGIQHPVR3J · pith_short_8: GJDBNASG

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/GJDBNASGIQHPVR3JOMZAO6BZ3Y \
  | 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: 3246168246440efac7697332077839de1b5c9c2f2886b170c2ab59db60123013

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffa3b6a8418bcf5b68c1391814cd4c8049682a31ae601420762f571fe160b987",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2022-03-12T04:23:28Z",
    "title_canon_sha256": "68470ef8a57d7f14a17b426df2cd0e076b593fdd4917943e0710b7845d0522a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.06342",
    "kind": "arxiv",
    "version": 1
  }
}