Pith Number

pith:CUN2YVH5

pith:2019:CUN2YVH5TAHLMZJG6EJAEDO2MC

not attested not anchored not stored refs pending

Multi-task Learning for Low-resource Second Language Acquisition Modeling

Heyan Huang, Jiarui Qi, Liner Yang, Tian Lan, Xian-Ling Mao, Xiaochi Wei, Yong Hu, Yuxiang Nie

arxiv:1908.09283 v4 · 2019-08-25 · 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{CUN2YVH5TAHLMZJG6EJAEDO2MC}

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	2026-07-05T01:31:21.821609Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

151bac54fd980eb66526f112020dda60b0ddb1d5cb4ee2e3ec6fdb472da99a56

Aliases

arxiv: 1908.09283 · arxiv_version: 1908.09283v4 · doi: 10.48550/arxiv.1908.09283 · pith_short_12: CUN2YVH5TAHL · pith_short_16: CUN2YVH5TAHLMZJG · pith_short_8: CUN2YVH5

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/CUN2YVH5TAHLMZJG6EJAEDO2MC \
  | 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: 151bac54fd980eb66526f112020dda60b0ddb1d5cb4ee2e3ec6fdb472da99a56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bae12f10674600b06854bbddf0fea408e4a2ee2792ba4ff85d5042e4bea19ef4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-08-25T09:05:06Z",
    "title_canon_sha256": "b32278c21269ea8164ad59842166b88922a5cfc0ed7302379302c409739c342a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.09283",
    "kind": "arxiv",
    "version": 4
  }
}