Pith Number

pith:HF45UODR

pith:2021:HF45UODRAFII4AG67YH53CXYOS

not attested not anchored not stored refs pending

Verdi: Quality Estimation and Error Detection for Bilingual Corpora

Di Niu, Haijiang Wu, Mingjun Zhao, Xiaoli Wang, Zixuan Wang

arxiv:2105.14878 v2 · 2021-05-31 · cs.CL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HF45UODRAFII4AG67YH53CXYOS}

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	2026-07-05T03:11:13.036472Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3979da387101508e00defe0fdd8af874a24c384c3c119b27c64ffd5eb5dd2a8e

Aliases

arxiv: 2105.14878 · arxiv_version: 2105.14878v2 · doi: 10.48550/arxiv.2105.14878 · pith_short_12: HF45UODRAFII · pith_short_16: HF45UODRAFII4AG6 · pith_short_8: HF45UODR

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/HF45UODRAFII4AG67YH53CXYOS \
  | 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: 3979da387101508e00defe0fdd8af874a24c384c3c119b27c64ffd5eb5dd2a8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8fbe08a39c74e181019cf099227fbcf278d2f313452a2127c35596779f5989c",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-05-31T11:04:13Z",
    "title_canon_sha256": "e510bab588edbda1c6b43539d7955c8c632eb5f831971b0292ddc7a74ca8d002"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.14878",
    "kind": "arxiv",
    "version": 2
  }
}