Pith Number

pith:RVGIAZLX

pith:2015:RVGIAZLX7JYPLJQXCTU3JTBAMH

not attested not anchored not stored refs pending

On incidence coloring conjecture in Cartesian products of graphs

Borut Lu\v{z}ar, Petr Gregor, Roman Sot\'ak

arxiv:1505.04908 v3 · 2015-05-19 · 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{RVGIAZLX7JYPLJQXCTU3JTBAMH}

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	2026-05-18T01:09:46.913127Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d4c806577fa70f5a61714e9b4cc2061c2e9a51364ecec1bf2c8c72061343a34

Aliases

arxiv: 1505.04908 · arxiv_version: 1505.04908v3 · doi: 10.48550/arxiv.1505.04908 · pith_short_12: RVGIAZLX7JYP · pith_short_16: RVGIAZLX7JYPLJQX · pith_short_8: RVGIAZLX

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/RVGIAZLX7JYPLJQXCTU3JTBAMH \
  | 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: 8d4c806577fa70f5a61714e9b4cc2061c2e9a51364ecec1bf2c8c72061343a34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ff697c1f1d51eca9d9fbc7acd02e3281d5da5c8a56379dd541c2d255048df6d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-05-19T08:39:51Z",
    "title_canon_sha256": "5fd5be44ecb6dc35fcfbc44da5088b4f1ded5c08d3d5171ea3069fbe5cc20359"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.04908",
    "kind": "arxiv",
    "version": 3
  }
}