Pith Number

pith:C5Q2JT4N

pith:2018:C5Q2JT4NQKCWMFSR4ZA6DUUZ6J

not attested not anchored not stored refs pending

A Span-Extraction Dataset for Chinese Machine Reading Comprehension

Guoping Hu, Li Xiao, Shijin Wang, Ting Liu, Wanxiang Che, Wentao Ma, Yiming Cui, Zhipeng Chen

arxiv:1810.07366 v2 · 2018-10-17 · 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{C5Q2JT4NQKCWMFSR4ZA6DUUZ6J}

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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

QZhou-Embedding Technical Report

Receipt and verification

First computed	2026-07-05T00:16:31.490854Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1761a4cf8d8285661651e641e1d299f246f2ab6a08af6d328f96e5814f7ec0c0

Aliases

arxiv: 1810.07366 · arxiv_version: 1810.07366v2 · doi: 10.48550/arxiv.1810.07366 · pith_short_12: C5Q2JT4NQKCW · pith_short_16: C5Q2JT4NQKCWMFSR · pith_short_8: C5Q2JT4N

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/C5Q2JT4NQKCWMFSR4ZA6DUUZ6J \
  | 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: 1761a4cf8d8285661651e641e1d299f246f2ab6a08af6d328f96e5814f7ec0c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36be5a891f8108817029333c0306c1ea46fbbe584fce4a1f7470be7f291dd76f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-10-17T03:02:26Z",
    "title_canon_sha256": "38ab77dc742f0ae0521e2bcd082109a199ab158f980dd2c6a3011d5ccc066237"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.07366",
    "kind": "arxiv",
    "version": 2
  }
}