Pith Number

pith:DVEY4RE7

pith:2013:DVEY4RE7BWQUT6MMTIEQREOPGY

not attested not anchored not stored refs pending

Detecting regularities on grammar-compressed strings

Ayumi Shinohara, Hideo Bannai, Kazuyuki Narisawa, Kouji Shimohira, Masayuki Takeda, Shunsuke Inenaga, Tomohiro I, Wataru Matsubara

arxiv:1304.7067 v1 · 2013-04-26 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DVEY4RE7BWQUT6MMTIEQREOPGY}

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	2026-05-18T03:27:02.663301Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d498e449f0da149f98c9a090891cf3607065b883e29c262963718cdf4889294

Aliases

arxiv: 1304.7067 · arxiv_version: 1304.7067v1 · doi: 10.48550/arxiv.1304.7067 · pith_short_12: DVEY4RE7BWQU · pith_short_16: DVEY4RE7BWQUT6MM · pith_short_8: DVEY4RE7

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/DVEY4RE7BWQUT6MMTIEQREOPGY \
  | 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: 1d498e449f0da149f98c9a090891cf3607065b883e29c262963718cdf4889294

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9790498c9ac03127c2e91d7e59f92c280dab0688182db9f4cb0888e34e4104a5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-04-26T04:55:07Z",
    "title_canon_sha256": "6d25c845a89267ea0e1b955954327ca71a370eed2c332e497887f62e5b4e254a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.7067",
    "kind": "arxiv",
    "version": 1
  }
}