Pith Number

pith:UUTN5QWU

pith:2019:UUTN5QWU2JJD674D7KO5C2P76G

not attested not anchored not stored refs pending

On the cyclic regularities of strings

Bruce Watson, Costas Iliopoulos, Jakub Radoszewski, Jia Gao, Mai Alzamel, Miznah Alshammary, Oluwole Ajala, Wojciech Rytter

arxiv:1908.01664 v1 · 2019-08-05 · 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{UUTN5QWU2JJD674D7KO5C2P76G}

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	2026-07-04T23:51:32.588322Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a526dec2d4d2523f7f83fa9dd169fff1a3535909e4129930d55d7ec13ec96dfb

Aliases

arxiv: 1908.01664 · arxiv_version: 1908.01664v1 · doi: 10.48550/arxiv.1908.01664 · pith_short_12: UUTN5QWU2JJD · pith_short_16: UUTN5QWU2JJD674D · pith_short_8: UUTN5QWU

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/UUTN5QWU2JJD674D7KO5C2P76G \
  | 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: a526dec2d4d2523f7f83fa9dd169fff1a3535909e4129930d55d7ec13ec96dfb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d864a77802a2de6a07e3492a3af1c8ab852aaf46fd25f8d1ce2961454bda513d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-08-05T14:54:19Z",
    "title_canon_sha256": "ca99e6efc2c96d66e785bb5e99748902fbf8a14ec957ebeba30146da3e54174d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.01664",
    "kind": "arxiv",
    "version": 1
  }
}