Pith Number

pith:IBRGBXRK

pith:2024:IBRGBXRK34MSSZNV4X4L4DTU4G

not attested not anchored not stored refs pending

On vertex-girth-regular graphs: (Non-)existence, bounds and enumeration

Istv\'an Porups\'anszki, Jorik Jooken, Robert Jajcay

arxiv:2408.14557 v1 · 2024-08-26 · 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{IBRGBXRK34MSSZNV4X4L4DTU4G}

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.

Cited by

1 paper in Pith

Computer-assisted graph theory: a survey

Receipt and verification

First computed	2026-07-05T08:59:35.534624Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

406260de2adf192965b5e5f8be0e74e1b11fdb6f70816fca5279e68b3e779335

Aliases

arxiv: 2408.14557 · arxiv_version: 2408.14557v1 · doi: 10.48550/arxiv.2408.14557 · pith_short_12: IBRGBXRK34MS · pith_short_16: IBRGBXRK34MSSZNV · pith_short_8: IBRGBXRK

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/IBRGBXRK34MSSZNV4X4L4DTU4G \
  | 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: 406260de2adf192965b5e5f8be0e74e1b11fdb6f70816fca5279e68b3e779335

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8bfbf0d2b75e23c8c3132f50d99e8cef2ba0ad8042f95038c4fe221d67c9192",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2024-08-26T18:16:17Z",
    "title_canon_sha256": "4eabdb9a96f7d8e874ff741a189258b8664621058635b1cc0c0fbc076ae89304"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2408.14557",
    "kind": "arxiv",
    "version": 1
  }
}