Pith Number

pith:EWW6GXSV

pith:2020:EWW6GXSVNOP2XBIX4NOIH27U2C

not attested not anchored not stored refs pending

Rapidly Bootstrapping a Question Answering Dataset for COVID-19

Edwin Zhang, Jimmy Lin, Kyunghyun Cho, Nikhil Gupta, Phuong Cam, Raphael Tang, Rodrigo Nogueira

arxiv:2004.11339 v1 · 2020-04-23 · cs.CL · cs.AI · cs.IR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EWW6GXSVNOP2XBIX4NOIH27U2C}

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.

Cited by

1 paper in Pith

ViQA-COVID: COVID-19 Machine Reading Comprehension Dataset for Vietnamese

Receipt and verification

First computed	2026-07-05T00:57:47.240918Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25ade35e556b9fab8517e35c83ebf4d08f14f3d4480f0fb955db2c4fce0f4eac

Aliases

arxiv: 2004.11339 · arxiv_version: 2004.11339v1 · doi: 10.48550/arxiv.2004.11339 · pith_short_12: EWW6GXSVNOP2 · pith_short_16: EWW6GXSVNOP2XBIX · pith_short_8: EWW6GXSV

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/EWW6GXSVNOP2XBIX4NOIH27U2C \
  | 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: 25ade35e556b9fab8517e35c83ebf4d08f14f3d4480f0fb955db2c4fce0f4eac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78d1431464470e4218ee84ad5de59610a993cbac55509473555f15f17c6cb506",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2020-04-23T17:35:11Z",
    "title_canon_sha256": "d18d7cc753fcbbc1791d1d4592f4d46fe0f66031dd3448954af1463c3f461964"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.11339",
    "kind": "arxiv",
    "version": 1
  }
}