Pith Number

pith:NNRUXG6R

pith:2019:NNRUXG6RW3ZWEVA7JJCZTXEOWS

not attested not anchored not stored refs pending

Evidence Sentence Extraction for Machine Reading Comprehension

Dan Roth, David McAllester, Dian Yu, Dong Yu, Hai Wang, Jianshu Chen, Kai Sun

arxiv:1902.08852 v2 · 2019-02-23 · 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{NNRUXG6RW3ZWEVA7JJCZTXEOWS}

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

DCMN+: Dual Co-Matching Network for Multi-choice Reading Comprehension

Receipt and verification

First computed	2026-07-05T00:06:35.917631Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b634b9bd1b6f362541f4a4599dc8eb48519398a67fdebbaebd028f67688d5f3

Aliases

arxiv: 1902.08852 · arxiv_version: 1902.08852v2 · doi: 10.48550/arxiv.1902.08852 · pith_short_12: NNRUXG6RW3ZW · pith_short_16: NNRUXG6RW3ZWEVA7 · pith_short_8: NNRUXG6R

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/NNRUXG6RW3ZWEVA7JJCZTXEOWS \
  | 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: 6b634b9bd1b6f362541f4a4599dc8eb48519398a67fdebbaebd028f67688d5f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32752e00743cc486c5b302b9c43f4cb3e42359a8eb94479e006bbeae1534651f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-02-23T21:53:48Z",
    "title_canon_sha256": "c2b536daa66e7eaf89f1651aa2d2531a09103710f92bf72493c24619adc81c26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.08852",
    "kind": "arxiv",
    "version": 2
  }
}