Pith Number

pith:U2BZEM3N

pith:2022:U2BZEM3NS4ZULU3WXTNLAUITF6

not attested not anchored not stored refs pending

UM4: Unified Multilingual Multiple Teacher-Student Model for Zero-Resource Neural Machine Translation

Dongdong Zhang, Furu Wei, Hongcheng Guo, Jian Yang, Shuangzhi Wu, Shuming Ma, Yuwei Yin, Zhoujun Li

arxiv:2207.04900 v2 · 2022-07-11 · cs.CL · cs.AI · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U2BZEM3NS4ZULU3WXTNLAUITF6}

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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	2026-07-05T04:51:10.774559Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a68392336d973345d376bcdab051132fb79c794032d9aa8f938b87c72305ed26

Aliases

arxiv: 2207.04900 · arxiv_version: 2207.04900v2 · doi: 10.48550/arxiv.2207.04900 · pith_short_12: U2BZEM3NS4ZU · pith_short_16: U2BZEM3NS4ZULU3W · pith_short_8: U2BZEM3N

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/U2BZEM3NS4ZULU3WXTNLAUITF6 \
  | 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: a68392336d973345d376bcdab051132fb79c794032d9aa8f938b87c72305ed26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d37d2d7e015e183e01f6bd297ff2a8b751074339b64b7cbc87ae472e3ac66a30",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2022-07-11T14:22:59Z",
    "title_canon_sha256": "026d03a4cf2f9e9d8367350dc54cc98f7b7eb0bb5d29d9dfbca88a11cda889b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.04900",
    "kind": "arxiv",
    "version": 2
  }
}