Pith Number

pith:KCUIBMWU

pith:2018:KCUIBMWURYHPVBCJSP3OT5WJHI

not attested not anchored not stored refs pending

Effective Character-augmented Word Embedding for Machine Reading Comprehension

Hai Zhao, Pengfei Zhu, Yafang Huang, Zhuosheng Zhang

arxiv:1808.02772 v2 · 2018-08-07 · 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{KCUIBMWURYHPVBCJSP3OT5WJHI}

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	2026-07-05T02:05:04.478763Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50a880b2d48e0efa844993f6e9f6c93a373d3e586a28f4c3815ba8a8c666f1f0

Aliases

arxiv: 1808.02772 · arxiv_version: 1808.02772v2 · doi: 10.48550/arxiv.1808.02772 · pith_short_12: KCUIBMWURYHP · pith_short_16: KCUIBMWURYHPVBCJ · pith_short_8: KCUIBMWU

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/KCUIBMWURYHPVBCJSP3OT5WJHI \
  | 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: 50a880b2d48e0efa844993f6e9f6c93a373d3e586a28f4c3815ba8a8c666f1f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1514a8ad6cacf31d9950d1c2ecfcd026882e83676893bf5203188b1446c4ad2f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-08-07T15:37:20Z",
    "title_canon_sha256": "fa49e1fe9b0087b0643ff44c289402195573ec90e74fa52c5a3d78d9c1c02843"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.02772",
    "kind": "arxiv",
    "version": 2
  }
}