Pith Number

pith:J4D4SR35

pith:2013:J4D4SR35HUSCDECF7QBJ6C2JSI

not attested not anchored not stored refs pending

On the Structure of Bispecial Sturmian Words

Gabriele Fici

arxiv:1311.4904 v1 · 2013-11-19 · cs.FL · 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{J4D4SR35HUSCDECF7QBJ6C2JSI}

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	2026-05-18T02:47:44.687436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f07c9477d3d24219045fc029f0b49923ab6ba7ea9c078f9e0f33ad4ec2d624f

Aliases

arxiv: 1311.4904 · arxiv_version: 1311.4904v1 · doi: 10.48550/arxiv.1311.4904 · pith_short_12: J4D4SR35HUSC · pith_short_16: J4D4SR35HUSCDECF · pith_short_8: J4D4SR35

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/J4D4SR35HUSCDECF7QBJ6C2JSI \
  | 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: 4f07c9477d3d24219045fc029f0b49923ab6ba7ea9c078f9e0f33ad4ec2d624f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02794b9628a2b322721369553e6c2d6d2c8dcee18c0cefb97851c617dfbb7bfb",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2013-11-19T22:01:28Z",
    "title_canon_sha256": "fd5d45d1b9b7b18fd7a528351e223a6f11898800f0179982165ffa6da3c3cd51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.4904",
    "kind": "arxiv",
    "version": 1
  }
}