Pith Number

pith:3LPWDD72

pith:2013:3LPWDD72QTYUA2B67CXWX66UIW

not attested not anchored not stored refs pending

Text Compression using Abstract Numeration System on a Regular Language

Ryoma Sin'ya

arxiv:1308.0267 v2 · 2013-08-01 · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3LPWDD72QTYUA2B67CXWX66UIW}

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	2026-05-18T03:12:46.065930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dadf618ffa84f140683ef8af6bfbd4459510a10af1ca92c87701f38a7f6a1ffe

Aliases

arxiv: 1308.0267 · arxiv_version: 1308.0267v2 · doi: 10.48550/arxiv.1308.0267 · pith_short_12: 3LPWDD72QTYU · pith_short_16: 3LPWDD72QTYUA2B6 · pith_short_8: 3LPWDD72

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/3LPWDD72QTYUA2B67CXWX66UIW \
  | 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: dadf618ffa84f140683ef8af6bfbd4459510a10af1ca92c87701f38a7f6a1ffe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16e2df095c340b6e667fe7e5457ecf551acd772b72f91f621bd16b75a37f8a42",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2013-08-01T17:13:45Z",
    "title_canon_sha256": "410bd32403c383b07d926c385977d63c0433930c09635068c5915d79bc51632f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.0267",
    "kind": "arxiv",
    "version": 2
  }
}