Pith Number

pith:IOCCICNY

pith:2019:IOCCICNYPHWUS2D72P3APN4D6K

not attested not anchored not stored refs pending

UER: An Open-Source Toolkit for Pre-training Models

Haotang Deng, Hui Chen, Jinbin Zhang, Qi Ju, Tao Liu, Wei Lu, Xiaoyong Du, Xi Chen, Xin Zhao, Zhe Zhao

arxiv:1909.05658 v1 · 2019-09-12 · cs.CL · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IOCCICNYPHWUS2D72P3APN4D6K}

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	2026-07-05T00:04:17.255999Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43842409b879ed49687fd3f607b783f2b86a316f7f2fd19cddd86dec4c4cfc68

Aliases

arxiv: 1909.05658 · arxiv_version: 1909.05658v1 · doi: 10.48550/arxiv.1909.05658 · pith_short_12: IOCCICNYPHWU · pith_short_16: IOCCICNYPHWUS2D7 · pith_short_8: IOCCICNY

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/IOCCICNYPHWUS2D72P3APN4D6K \
  | 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: 43842409b879ed49687fd3f607b783f2b86a316f7f2fd19cddd86dec4c4cfc68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9b8e4e2d88f699cb9c40bf7bf0be1de21d4bffb6f9510bda31b2ed3bf32419f",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-09-12T13:46:58Z",
    "title_canon_sha256": "3d27eee090c51a6760b3daa0f31b531460e2affa2441605ca0df1ff7bdbcc298"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.05658",
    "kind": "arxiv",
    "version": 1
  }
}