Pith Number

pith:CZIUNXJP

pith:2019:CZIUNXJPQWQ55NYBN7NML7MRGF

not attested not anchored not stored refs pending

Lattice CNNs for Matching Based Chinese Question Answering

Dongyan Zhao, Kun Xu, Xiaohan Yu, Yansong Feng, Yuxuan Lai, Zheng Wang

arxiv:1902.09087 v1 · 2019-02-25 · 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{CZIUNXJPQWQ55NYBN7NML7MRGF}

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	2026-05-17T23:52:46.714402Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

165146dd2f85a1deb7016fdac5fd913149da5254524619ac140756af677adcd3

Aliases

arxiv: 1902.09087 · arxiv_version: 1902.09087v1 · doi: 10.48550/arxiv.1902.09087 · pith_short_12: CZIUNXJPQWQ5 · pith_short_16: CZIUNXJPQWQ55NYB · pith_short_8: CZIUNXJP

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/CZIUNXJPQWQ55NYBN7NML7MRGF \
  | 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: 165146dd2f85a1deb7016fdac5fd913149da5254524619ac140756af677adcd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8cf5f8eb1a74fbbdc2e767366e3984f69b3c2244e3145baaa1d516dd0ec26fa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-02-25T04:46:52Z",
    "title_canon_sha256": "2b31e821209f0c8a474be2765f43a984be2791ebfadb046f7dd6efb23c4ee98a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.09087",
    "kind": "arxiv",
    "version": 1
  }
}