Pith Number

pith:PBG5WPBV

pith:2018:PBG5WPBVGOFRNIOFOQKKRZJCEF

not attested not anchored not stored refs pending

A note on palindromic length of Sturmian sequences

Edita Pelantov\'a, Petr Ambro\v{z}

arxiv:1808.08879 v1 · 2018-08-27 · 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{PBG5WPBVGOFRNIOFOQKKRZJCEF}

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	2026-05-18T00:07:12.965428Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

784ddb3c35338b16a1c57414a8e522216b3ae9c96481b8e63086d01deeb84b25

Aliases

arxiv: 1808.08879 · arxiv_version: 1808.08879v1 · doi: 10.48550/arxiv.1808.08879 · pith_short_12: PBG5WPBVGOFR · pith_short_16: PBG5WPBVGOFRNIOF · pith_short_8: PBG5WPBV

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/PBG5WPBVGOFRNIOFOQKKRZJCEF \
  | 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: 784ddb3c35338b16a1c57414a8e522216b3ae9c96481b8e63086d01deeb84b25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53e27772c6b2ab628be4a96e614d0ec7d3c76f20ec6293151527866bb211cc26",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-08-27T15:20:18Z",
    "title_canon_sha256": "f12b410ac98b7017e5a156fc14ef5a5714c869b4a397e3d07f4d375d8b53cc71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.08879",
    "kind": "arxiv",
    "version": 1
  }
}