Pith Number

pith:CUPLFF23

pith:2021:CUPLFF23ZVGZOT5DJSD7BBDXPJ

not attested not anchored not stored refs pending

Charformer: Fast Character Transformers via Gradient-based Subword Tokenization

Cong Yu, Dara Bahri, Donald Metzler, Hyung Won Chung, Jai Gupta, Sebastian Ruder, Simon Baumgartner, Vinh Q. Tran, Yi Tay, Zhen Qin

arxiv:2106.12672 v3 · 2021-06-23 · cs.CL · cs.AI · 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{CUPLFF23ZVGZOT5DJSD7BBDXPJ}

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.

Cited by

5 papers in Pith

Phonemes to the Rescue: Multilingual Tokenization Based on International Phonetic Alphabet

Kronecker Embeddings: Byte-Level Structured Token Representations for Parameter-Efficient Language Models

FLEXITOKENS: Flexible Tokenization for Evolving Language Models

Semantic Uncertainty: Linguistic Invariances for Uncertainty Estimation in Natural Language Generation

ADE: Adaptive Dictionary Embeddings -- Scaling Multi-Anchor Representations to Large Language Models

Receipt and verification

First computed	2026-07-05T03:59:22.660415Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

151eb2975bcd4d974fa34c87f084777a4792d4eb615b284644a89835480c01a9

Aliases

arxiv: 2106.12672 · arxiv_version: 2106.12672v3 · doi: 10.48550/arxiv.2106.12672 · pith_short_12: CUPLFF23ZVGZ · pith_short_16: CUPLFF23ZVGZOT5D · pith_short_8: CUPLFF23

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/CUPLFF23ZVGZOT5DJSD7BBDXPJ \
  | 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: 151eb2975bcd4d974fa34c87f084777a4792d4eb615b284644a89835480c01a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc4c3f8adeb5c1962ab13b367f84f0d48dcc32aad69f0bc01c0291d2a1c4419f",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-06-23T22:24:14Z",
    "title_canon_sha256": "a4bfd605e76046f0caf34469f1cc5d9c3adb1fa5f3d850b5423bfb1d6a885587"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.12672",
    "kind": "arxiv",
    "version": 3
  }
}