Pith Number

pith:PQ2EEEDY

pith:2020:PQ2EEEDYVGBV53J6MMI53KGAPM

not attested not anchored not stored refs pending

Benchmarking Machine Reading Comprehension: A Psychological Perspective

Akiko Aizawa, Pontus Stenetorp, Saku Sugawara

arxiv:2004.01912 v2 · 2020-04-04 · 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{PQ2EEEDYVGBV53J6MMI53KGAPM}

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	2026-07-05T02:09:37.939534Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c34421078a9835eed3e6311dda8c07b3956ecf9b1cd906bfe1029fb60947dda

Aliases

arxiv: 2004.01912 · arxiv_version: 2004.01912v2 · doi: 10.48550/arxiv.2004.01912 · pith_short_12: PQ2EEEDYVGBV · pith_short_16: PQ2EEEDYVGBV53J6 · pith_short_8: PQ2EEEDY

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/PQ2EEEDYVGBV53J6MMI53KGAPM \
  | 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: 7c34421078a9835eed3e6311dda8c07b3956ecf9b1cd906bfe1029fb60947dda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9aea70d9acd64143f5811a7a0119b31c89ba16278a027609c5638e314a67a340",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2020-04-04T11:45:27Z",
    "title_canon_sha256": "a3e69c6dcc76e6372d056fc77b1415aa7bd4f37c26e828e98590cf3aa283c8a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.01912",
    "kind": "arxiv",
    "version": 2
  }
}