Pith Number

pith:I73DWHUB

pith:2021:I73DWHUBYUKPU4K6ZAZWLCY4XJ

not attested not anchored not stored refs pending

Improving Neural Cross-Lingual Summarization via Employing Optimal Transport Distance for Knowledge Distillation

Luu Anh Tuan, Thong Nguyen

arxiv:2112.03473 v1 · 2021-12-07 · 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{I73DWHUBYUKPU4K6ZAZWLCY4XJ}

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	2026-07-05T03:38:45.998092Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47f63b1e81c514fa715ec833658b1cba581c41718edc7118b7204b9de4146fe9

Aliases

arxiv: 2112.03473 · arxiv_version: 2112.03473v1 · doi: 10.48550/arxiv.2112.03473 · pith_short_12: I73DWHUBYUKP · pith_short_16: I73DWHUBYUKPU4K6 · pith_short_8: I73DWHUB

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/I73DWHUBYUKPU4K6ZAZWLCY4XJ \
  | 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: 47f63b1e81c514fa715ec833658b1cba581c41718edc7118b7204b9de4146fe9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "276a2991001a5fe9ce1bd38fcd48bf0f3975f25ca2e817c3acd7eebee922dca9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-12-07T03:45:02Z",
    "title_canon_sha256": "d8a0a26462019b75872cda471b9b07c2d9b30c6b585bd4ef38a60788c38b8746"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.03473",
    "kind": "arxiv",
    "version": 1
  }
}