Pith Number

pith:R7IOZBFU

pith:2013:R7IOZBFUAGKYQKVD2HN5LYDJPX

not attested not anchored not stored refs pending

Contributions to the theory of de Bruijn cycles

Anant Godbole, Andre Campbell, Bill Kay

arxiv:1304.2820 v1 · 2013-04-10 · 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{R7IOZBFUAGKYQKVD2HN5LYDJPX}

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	2026-05-18T03:28:28.140597Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fd0ec84b40195882aa3d1dbd5e0697dc50f5756df76d3949cad7c7a54383023

Aliases

arxiv: 1304.2820 · arxiv_version: 1304.2820v1 · doi: 10.48550/arxiv.1304.2820 · pith_short_12: R7IOZBFUAGKY · pith_short_16: R7IOZBFUAGKYQKVD · pith_short_8: R7IOZBFU

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/R7IOZBFUAGKYQKVD2HN5LYDJPX \
  | 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: 8fd0ec84b40195882aa3d1dbd5e0697dc50f5756df76d3949cad7c7a54383023

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20623269c8636ebd9b1c273bffcd30c4683c1bee00607dac643e435e0f433efd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-04-10T01:02:07Z",
    "title_canon_sha256": "3b8a28b0fbf0f3f416dfaf2a5a10b1e6ca96fcb89aa098d25c697336b9451399"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.2820",
    "kind": "arxiv",
    "version": 1
  }
}