Pith Number

pith:KJS4UUHX

pith:2018:KJS4UUHXDJDZJG7EA456ROVPE2

not attested not anchored not stored refs pending

Quasiperiods of biinfinite Sturmian words

Ana\"el Grandjean, Florian Barbero, Guilhem Gamard

arxiv:1803.02643 v1 · 2018-03-07 · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KJS4UUHXDJDZJG7EA456ROVPE2}

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	2026-05-18T00:21:49.616953Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5265ca50f71a47949be4073be8baaf268f4f0588747968212da76472d1c56f53

Aliases

arxiv: 1803.02643 · arxiv_version: 1803.02643v1 · doi: 10.48550/arxiv.1803.02643 · pith_short_12: KJS4UUHXDJDZ · pith_short_16: KJS4UUHXDJDZJG7E · pith_short_8: KJS4UUHX

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/KJS4UUHXDJDZJG7EA456ROVPE2 \
  | 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: 5265ca50f71a47949be4073be8baaf268f4f0588747968212da76472d1c56f53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23e1114ac493a8731ca261183d95e07853a0b45ff9c34cd871c8cf3272adcb8c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2018-03-07T13:31:04Z",
    "title_canon_sha256": "9f3d50bc7af8ecadae4d7f721df8e845150ba2bba0fcaea199005f00f932d330"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.02643",
    "kind": "arxiv",
    "version": 1
  }
}