Pith Number

pith:L2NGI737

pith:2019:L2NGI737D3G4XQNUHWYM3Z7GHH

not attested not anchored not stored refs pending

Explicit Cross-lingual Pre-training for Unsupervised Machine Translation

Ming Zhou, Shuai Ma, Shujie Liu, Shuo Ren, Yu Wu

arxiv:1909.00180 v1 · 2019-08-31 · 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{L2NGI737D3G4XQNUHWYM3Z7GHH}

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	2026-07-05T00:01:06.483901Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e9a647f7f1ecdcbc1b43db0cde7e639c78b3cd2971ff099e27da3c26f761fd2

Aliases

arxiv: 1909.00180 · arxiv_version: 1909.00180v1 · doi: 10.48550/arxiv.1909.00180 · pith_short_12: L2NGI737D3G4 · pith_short_16: L2NGI737D3G4XQNU · pith_short_8: L2NGI737

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/L2NGI737D3G4XQNUHWYM3Z7GHH \
  | 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: 5e9a647f7f1ecdcbc1b43db0cde7e639c78b3cd2971ff099e27da3c26f761fd2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "516734b724cfdefd5b5bb60fa565a8a2ce8b6480dc5a19a737f6fde0e970d7e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-08-31T09:58:57Z",
    "title_canon_sha256": "b305b76ef52175216cdebebc669e98bdbaa8b66fdb1fd39fbabf5bb278b87126"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.00180",
    "kind": "arxiv",
    "version": 1
  }
}