Pith Number

pith:WRDYJIRY

pith:2015:WRDYJIRY6AOREQG5MERR6QLTUE

not attested not anchored not stored refs pending

A construction of small (q-1)-regular graphs of girth 8

C. Balbuena, D. Labbate, G. Araujo-Pardo, M. Abreu

arxiv:1501.02452 v1 · 2015-01-11 · 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{WRDYJIRY6AOREQG5MERR6QLTUE}

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	2026-05-18T02:29:37.932077Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b44784a238f01d1240dd61231f4173a10e9f53dfc904d75aeaf34e96caddd40d

Aliases

arxiv: 1501.02452 · arxiv_version: 1501.02452v1 · doi: 10.48550/arxiv.1501.02452 · pith_short_12: WRDYJIRY6AOR · pith_short_16: WRDYJIRY6AOREQG5 · pith_short_8: WRDYJIRY

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/WRDYJIRY6AOREQG5MERR6QLTUE \
  | 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: b44784a238f01d1240dd61231f4173a10e9f53dfc904d75aeaf34e96caddd40d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec91f36c100deb7a3fb1deddc886262562f910787f21a625adba7b190e949dd4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-01-11T12:07:14Z",
    "title_canon_sha256": "82d2466c3f4895ddfe3e3e788534460e8a9121f5571d3a52217b6e5af7ca54e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.02452",
    "kind": "arxiv",
    "version": 1
  }
}