Pith Number

pith:KEPLNFXV

pith:2022:KEPLNFXVMGKXB7LQAFQ6BTSSLO

not attested not anchored not stored refs pending

OPAL: Ontology-Aware Pretrained Language Model for End-to-End Task-Oriented Dialogue

Kai Yu, Lu Chen, Mengyue Wu, Su Zhu, Yuncong Liu, Zhi Chen

arxiv:2209.04595 v1 · 2022-09-10 · 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{KEPLNFXVMGKXB7LQAFQ6BTSSLO}

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	2026-07-05T04:56:03.253014Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

511eb696f5619570fd700161e0ce525ba2b93d8be66d730f5f0fb8b3f0ff4fdf

Aliases

arxiv: 2209.04595 · arxiv_version: 2209.04595v1 · doi: 10.48550/arxiv.2209.04595 · pith_short_12: KEPLNFXVMGKX · pith_short_16: KEPLNFXVMGKXB7LQ · pith_short_8: KEPLNFXV

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/KEPLNFXVMGKXB7LQAFQ6BTSSLO \
  | 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: 511eb696f5619570fd700161e0ce525ba2b93d8be66d730f5f0fb8b3f0ff4fdf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd1ca59c409ffb87811bda2a35265b59db7482a52c11cce685f1c763ea4ae49f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2022-09-10T04:38:27Z",
    "title_canon_sha256": "f130db0645c40b0463521a41153d1e4a3d2ffd2ae10e254336c2369b8b79f5f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.04595",
    "kind": "arxiv",
    "version": 1
  }
}