Pith Number

pith:U7JNVVUB

pith:2019:U7JNVVUBZAUKBBM5BWCFDBWJ2W

not attested not anchored not stored refs pending

Unbabel's Submission to the WMT2019 APE Shared Task: BERT-based Encoder-Decoder for Automatic Post-Editing

Andr\'e F. T. Martins, Ant\'onio V. Lopes, Gon\c{c}alo M. Correia, Jonay Trenous, M. Amin Farajian

arxiv:1905.13068 v2 · 2019-05-30 · 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{U7JNVVUBZAUKBBM5BWCFDBWJ2W}

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	2026-05-17T23:41:52.939631Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7d2dad681c828a0859d0d845186c9d5a8e02d2f837c02d48f1cb702c8c36ae3

Aliases

arxiv: 1905.13068 · arxiv_version: 1905.13068v2 · doi: 10.48550/arxiv.1905.13068 · pith_short_12: U7JNVVUBZAUK · pith_short_16: U7JNVVUBZAUKBBM5 · pith_short_8: U7JNVVUB

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/U7JNVVUBZAUKBBM5BWCFDBWJ2W \
  | 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: a7d2dad681c828a0859d0d845186c9d5a8e02d2f837c02d48f1cb702c8c36ae3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a3781cad38da91b604dc52bf6f39361294cc7d00f9a5a0c8cb951d6240c516c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-05-30T14:17:39Z",
    "title_canon_sha256": "b4d235a88d0c80dcc9c8b5e476d0c8f8ee6f0436b84408487ad62440cae8db0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.13068",
    "kind": "arxiv",
    "version": 2
  }
}