Pith Number

pith:32XISIIK

pith:2021:32XISIIKTQMNGCPC6TDFTHUTSF

not attested not anchored not stored refs pending

DirectQE: Direct Pretraining for Machine Translation Quality Estimation

Guoping Huang, Jiahuan Li, Jiajun Chen, Qu Cui, Shujian Huang, Xiang Geng, Zaixiang Zheng

arxiv:2105.07149 v1 · 2021-05-15 · 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{32XISIIKTQMNGCPC6TDFTHUTSF}

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	2026-07-05T02:40:37.818543Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

deae89210a9c18d309e2f4c6599e93917421310fe01c5909c724e0860a99e899

Aliases

arxiv: 2105.07149 · arxiv_version: 2105.07149v1 · doi: 10.48550/arxiv.2105.07149 · pith_short_12: 32XISIIKTQMN · pith_short_16: 32XISIIKTQMNGCPC · pith_short_8: 32XISIIK

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/32XISIIKTQMNGCPC6TDFTHUTSF \
  | 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: deae89210a9c18d309e2f4c6599e93917421310fe01c5909c724e0860a99e899

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8a75d6dc448c403abd616c16a61eb254ee860c43369b871d7f23622f205edff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-05-15T06:18:49Z",
    "title_canon_sha256": "64a97391376ecc39c91ed7bb53a8ab618971ef0cb77aee07f5494efe01d23c32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.07149",
    "kind": "arxiv",
    "version": 1
  }
}