Pith Number

pith:CZGLQLOD

pith:2018:CZGLQLODNUVDD5QLBP3UY45RQ7

not attested not anchored not stored refs pending

Generalized Hypergraph Coloring

Thomas Schweser

arxiv:1804.06338 v1 · 2018-04-17 · 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{CZGLQLODNUVDD5QLBP3UY45RQ7}

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	2026-05-18T00:18:20.967139Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

164cb82dc36d2a31f60b0bf74c73b187ebb71bd94f2a7b0f0691dfb1108c74c7

Aliases

arxiv: 1804.06338 · arxiv_version: 1804.06338v1 · doi: 10.48550/arxiv.1804.06338 · pith_short_12: CZGLQLODNUVD · pith_short_16: CZGLQLODNUVDD5QL · pith_short_8: CZGLQLOD

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/CZGLQLODNUVDD5QLBP3UY45RQ7 \
  | 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: 164cb82dc36d2a31f60b0bf74c73b187ebb71bd94f2a7b0f0691dfb1108c74c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "677cca080be09c1cb0ed26f4e007aaaa4d4d1f655850dc9ab828be593e6b3b39",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-04-17T16:06:43Z",
    "title_canon_sha256": "4afc3d50cd75478735cad61d4ea56513cd4009c4eaedd58a9239f171b5b6ca34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.06338",
    "kind": "arxiv",
    "version": 1
  }
}