Pith Number

pith:HM5FYGP5

pith:2019:HM5FYGP5IR754MFUVZ4AXUDI6O

not attested not anchored not stored refs pending

Sogou Machine Reading Comprehension Toolkit

Bingning Wang, Chao Deng, Haoze Sun, Hongyi Tang, Jindou Wu, Qi Zhang, Ting Yao, Yunlun Yang

arxiv:1903.11848 v2 · 2019-03-28 · 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{HM5FYGP5IR754MFUVZ4AXUDI6O}

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	2026-05-17T23:49:49.612966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b3a5c19fd447fde30b4ae780bd068f391d1bbf380ec31032b509f105c4737ce

Aliases

arxiv: 1903.11848 · arxiv_version: 1903.11848v2 · doi: 10.48550/arxiv.1903.11848 · pith_short_12: HM5FYGP5IR75 · pith_short_16: HM5FYGP5IR754MFU · pith_short_8: HM5FYGP5

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/HM5FYGP5IR754MFUVZ4AXUDI6O \
  | 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: 3b3a5c19fd447fde30b4ae780bd068f391d1bbf380ec31032b509f105c4737ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd234bb288264bd018dfbe0b73ef3e2227843dfb01b680145260f730d548a0cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-03-28T09:27:23Z",
    "title_canon_sha256": "f61865ab16efc11be4e776e23069366bf394d85ad5d2d5be89d6ae1d2281e53d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.11848",
    "kind": "arxiv",
    "version": 2
  }
}