Pith Number

pith:S4OP6CFD

pith:2019:S4OP6CFDLFT626HWFG6EWRJOTQ

not attested not anchored not stored refs pending

Some variations on Lyndon words

Antonio Restivo, Christophe Reutenauer, Francesco Dolce

arxiv:1904.00954 v1 · 2019-04-01 · cs.DM · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S4OP6CFDLFT626HWFG6EWRJOTQ}

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	2026-05-17T23:49:44.756787Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

971cff08a35967ed78f629bc4b452e9c09e29dee786a37fcedfdcd6f5bbd38b9

Aliases

arxiv: 1904.00954 · arxiv_version: 1904.00954v1 · doi: 10.48550/arxiv.1904.00954 · pith_short_12: S4OP6CFDLFT6 · pith_short_16: S4OP6CFDLFT626HW · pith_short_8: S4OP6CFD

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/S4OP6CFDLFT626HWFG6EWRJOTQ \
  | 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: 971cff08a35967ed78f629bc4b452e9c09e29dee786a37fcedfdcd6f5bbd38b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb2b3bc52018ce1bd2b7d2921ce803698baa7fd1af9e1a3b29e4e6714dd9b0ac",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2019-04-01T16:46:07Z",
    "title_canon_sha256": "d1c5442865bae2ff124607cef9d51718ecbaa4bd4a1f7549b70504b953548971"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.00954",
    "kind": "arxiv",
    "version": 1
  }
}