Pith Number

pith:CTCDNTCA

pith:2021:CTCDNTCAWJWQAAE5INDCIXP7XC

not attested not anchored not stored refs pending

Sub-Character Tokenization for Chinese Pretrained Language Models

Chenglei Si, Fanchao Qi, Maosong Sun, Qun Liu, Xiaozhi Wang, Yasheng Wang, Yingfa Chen, Zhengyan Zhang, Zhiyuan Liu

arxiv:2106.00400 v3 · 2021-06-01 · 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{CTCDNTCAWJWQAAE5INDCIXP7XC}

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	2026-07-05T05:41:49.291849Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14c436cc40b26d00009d4346245dffb8a8bafe55a3732edee46d9efa31ad2e1d

Aliases

arxiv: 2106.00400 · arxiv_version: 2106.00400v3 · doi: 10.48550/arxiv.2106.00400 · pith_short_12: CTCDNTCAWJWQ · pith_short_16: CTCDNTCAWJWQAAE5 · pith_short_8: CTCDNTCA

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/CTCDNTCAWJWQAAE5INDCIXP7XC \
  | 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: 14c436cc40b26d00009d4346245dffb8a8bafe55a3732edee46d9efa31ad2e1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38688b5df7e12acb6d0a765c94d7430189ca0aa419192f77e64c0a9886818977",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-06-01T11:20:02Z",
    "title_canon_sha256": "52d11f4d36a46ed9233e898a42d350045d8116d9d7aa321a8932503d6701f565"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.00400",
    "kind": "arxiv",
    "version": 3
  }
}