Pith Number

pith:3RVTDC55

pith:2018:3RVTDC554K6COWJ6UJRS42JKGV

not attested not anchored not stored refs pending

Another construction of edge-regular graphs with regular cliques

Gary R. W. Greaves, J. H. Koolen

arxiv:1810.07454 v1 · 2018-10-17 · 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{3RVTDC554K6COWJ6UJRS42JKGV}

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	2026-05-18T00:02:56.357229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc6b318bbde2bc27593ea2632e692a3569b1b7f140a9409da0f49c1e97ccd25a

Aliases

arxiv: 1810.07454 · arxiv_version: 1810.07454v1 · doi: 10.48550/arxiv.1810.07454 · pith_short_12: 3RVTDC554K6C · pith_short_16: 3RVTDC554K6COWJ6 · pith_short_8: 3RVTDC55

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/3RVTDC554K6COWJ6UJRS42JKGV \
  | 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: dc6b318bbde2bc27593ea2632e692a3569b1b7f140a9409da0f49c1e97ccd25a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e9d0bdf4990b245c9fcd52f9c948406f7f761b05094993b9582557da0598e99",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-10-17T09:49:04Z",
    "title_canon_sha256": "6d10ab3dfa7a5bb1daaa39f361404483e5c08da8b2484f701f2a111461e13e18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.07454",
    "kind": "arxiv",
    "version": 1
  }
}