Pith Number

pith:KUEOHJ3V

pith:2022:KUEOHJ3VIXYZOKV7FYEJIKDZBH

not attested not anchored not stored refs pending

Coarse-to-Fine: Hierarchical Multi-task Learning for Natural Language Understanding

Dejiang Kong, Jiawen Wu, Ruofei Lai, Xinyu Zhang, Xipeng Qiu, Yongkang Wu, Yutao Zhu, Yu Tian, Zhao Cao, Zhaoye Fei, Zheng Liu, Zhicheng Dou

arxiv:2208.09129 v1 · 2022-08-19 · 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{KUEOHJ3VIXYZOKV7FYEJIKDZBH}

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	2026-07-05T04:49:56.311227Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5508e3a77545f1972abf2e0894287909d9611d4371a65167826e62b53fc065e7

Aliases

arxiv: 2208.09129 · arxiv_version: 2208.09129v1 · doi: 10.48550/arxiv.2208.09129 · pith_short_12: KUEOHJ3VIXYZ · pith_short_16: KUEOHJ3VIXYZOKV7 · pith_short_8: KUEOHJ3V

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/KUEOHJ3VIXYZOKV7FYEJIKDZBH \
  | 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: 5508e3a77545f1972abf2e0894287909d9611d4371a65167826e62b53fc065e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f534b6a9e4d52adbd61adcadd6b96b9d649b0c6ed7b92f64bfd8b88a64449e22",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2022-08-19T02:46:20Z",
    "title_canon_sha256": "205a999b98494170cf4a34cdb528d91e1b412fcd71b5ca6ca96bea1afcadc3b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.09129",
    "kind": "arxiv",
    "version": 1
  }
}