Pith Number

pith:WNNL2THF

pith:2019:WNNL2THFQRMNTSBVOAIRM6VLKE

not attested not anchored not stored refs pending

On L(2,1)-labelings of some products of oriented cycles

Ervin Gy\H{o}ri, Lucas Colucci

arxiv:1912.00457 v3 · 2019-12-01 · 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{WNNL2THFQRMNTSBVOAIRM6VLKE}

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	2026-07-05T01:15:37.046440Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b35abd4ce58458d9c8357011167aab51038a23c5691bdbab7d0389ded5007af9

Aliases

arxiv: 1912.00457 · arxiv_version: 1912.00457v3 · doi: 10.48550/arxiv.1912.00457 · pith_short_12: WNNL2THFQRMN · pith_short_16: WNNL2THFQRMNTSBV · pith_short_8: WNNL2THF

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/WNNL2THFQRMNTSBVOAIRM6VLKE \
  | 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: b35abd4ce58458d9c8357011167aab51038a23c5691bdbab7d0389ded5007af9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "200c401a7f4f017c00d34b5832d6cde2361e16abfab75f4a29baf56a31ba61a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-12-01T18:05:36Z",
    "title_canon_sha256": "e88c13396d1b077144b4692e6be52707df2fdd24b790efa615d7b477146b3990"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.00457",
    "kind": "arxiv",
    "version": 3
  }
}