Pith Number

pith:SAQE6SQ7

pith:2018:SAQE6SQ7I4SYUXIDPJA5G4XKLQ

not attested not anchored not stored refs pending

Coloring of cozero-divisor graphs of commutative von Neumann regular rings

M. Bakhtyiari, M.J. Nikmehr, R. Nikandish

arxiv:1804.07922 v1 · 2018-04-21 · 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{SAQE6SQ7I4SYUXIDPJA5G4XKLQ}

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	2026-05-18T00:17:50.191721Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90204f4a1f47258a5d037a41d372ea5c15b9b876a77a23840bb5cbc652e2d250

Aliases

arxiv: 1804.07922 · arxiv_version: 1804.07922v1 · doi: 10.48550/arxiv.1804.07922 · pith_short_12: SAQE6SQ7I4SY · pith_short_16: SAQE6SQ7I4SYUXID · pith_short_8: SAQE6SQ7

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/SAQE6SQ7I4SYUXIDPJA5G4XKLQ \
  | 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: 90204f4a1f47258a5d037a41d372ea5c15b9b876a77a23840bb5cbc652e2d250

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "efa185b45ef53ae5f19d1f46c8686991b97fd97727385db6fb45dc8cec221c6b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-04-21T09:04:15Z",
    "title_canon_sha256": "e4c58d22ffdeb2db3f56b04be9b562a3583fba6706ebe063ac47ae653363b8ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.07922",
    "kind": "arxiv",
    "version": 1
  }
}