Pith Number

pith:7H6FTA3S

pith:2025:7H6FTA3SXN5JE5PECF32J7HDWK

not attested not anchored not stored refs pending

BlockBPE: Parallel BPE Tokenization

Amos You

arxiv:2507.11941 v1 · 2025-07-16 · cs.CL · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7H6FTA3SXN5JE5PECF32J7HDWK}

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	2026-07-05T11:38:11.173376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9fc598372bb7a9275e41177a4fce3b2bc9e23bbd7aeb47170e6c778f1c3c6f8

Aliases

arxiv: 2507.11941 · arxiv_version: 2507.11941v1 · doi: 10.48550/arxiv.2507.11941 · pith_short_12: 7H6FTA3SXN5J · pith_short_16: 7H6FTA3SXN5JE5PE · pith_short_8: 7H6FTA3S

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/7H6FTA3SXN5JE5PECF32J7HDWK \
  | 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: f9fc598372bb7a9275e41177a4fce3b2bc9e23bbd7aeb47170e6c778f1c3c6f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1c457eadf227f567499ec7d0bcc89ca14093df904fb22f77eaaee3e46750651",
    "cross_cats_sorted": [
      "cs.DC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-07-16T06:12:41Z",
    "title_canon_sha256": "fd5398c2fb22f26e29e64a23ae19070c7c01d6d0d3fdf2d9284c8faf95546337"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.11941",
    "kind": "arxiv",
    "version": 1
  }
}