Pith Number

pith:B6QMVEAV

pith:2025:B6QMVEAVD3QNSSG5PRAYGSVEE6

not attested not anchored not stored refs pending

ByteSpan: Information-Driven Subword Tokenisation

Julius Cheng, Paula Buttery, Pietro Lesci, Suchir Salhan, Z\'ebulon Goriely

arxiv:2506.18639 v1 · 2025-06-23 · 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{B6QMVEAVD3QNSSG5PRAYGSVEE6}

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

1 paper in Pith

Faster Superword Tokenization

Receipt and verification

First computed	2026-07-05T11:25:53.523887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fa0ca90151ee0d948dd7c41834aa427bf0b33741ae76cb7eea3b1ea7c6e04f3

Aliases

arxiv: 2506.18639 · arxiv_version: 2506.18639v1 · doi: 10.48550/arxiv.2506.18639 · pith_short_12: B6QMVEAVD3QN · pith_short_16: B6QMVEAVD3QNSSG5 · pith_short_8: B6QMVEAV

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/B6QMVEAVD3QNSSG5PRAYGSVEE6 \
  | 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: 0fa0ca90151ee0d948dd7c41834aa427bf0b33741ae76cb7eea3b1ea7c6e04f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22dc67d3b869b86e126ad172723f692f3216d71a2bf9cb6f56716c31539f775a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-06-23T13:42:00Z",
    "title_canon_sha256": "b306f12ad0178f84999048d766d51db31a8a02b89f23a5009447f5d5febb2d5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.18639",
    "kind": "arxiv",
    "version": 1
  }
}