Pith Number

pith:UNOW7XLK

pith:2018:UNOW7XLKIA27KZFCFHWYJMIOTH

not attested not anchored not stored refs pending

What Makes Reading Comprehension Questions Easier?

Akiko Aizawa, Kentaro Inui, Saku Sugawara, Satoshi Sekine

arxiv:1808.09384 v1 · 2018-08-28 · 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{UNOW7XLKIA27KZFCFHWYJMIOTH}

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	2026-05-18T00:07:01.534739Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a35d6fdd6a4035f564a229ed84b10e99fd86c981ef55d314cfcb00d70b67b9f5

Aliases

arxiv: 1808.09384 · arxiv_version: 1808.09384v1 · doi: 10.48550/arxiv.1808.09384 · pith_short_12: UNOW7XLKIA27 · pith_short_16: UNOW7XLKIA27KZFC · pith_short_8: UNOW7XLK

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/UNOW7XLKIA27KZFCFHWYJMIOTH \
  | 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: a35d6fdd6a4035f564a229ed84b10e99fd86c981ef55d314cfcb00d70b67b9f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90ac037347a75b9c3eb710d64dfd60c67fe700315d1cba445946ae8ca6c1f330",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-08-28T16:17:43Z",
    "title_canon_sha256": "73613a566232aeee04f1373c881868e07454e57263291d84c5edb28be2db9202"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.09384",
    "kind": "arxiv",
    "version": 1
  }
}