Pith Number

pith:5IALNWSQ

pith:2010:5IALNWSQRGMBP4YPFMZT2A4QXL

not attested not anchored not stored refs pending

Conflict-Free Coloring Made Stronger

Elad Horev, Roi Krakovski, Shakhar Smorodinsky

arxiv:1006.2926 v1 · 2010-06-15 · math.CO · cs.CG · cs.DS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5IALNWSQRGMBP4YPFMZT2A4QXL}

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	2026-05-18T02:06:53.467348Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea00b6da50899817f30f2b333d0390bac7b9d7a3a1e5a07649d86bde18eb82a1

Aliases

arxiv: 1006.2926 · arxiv_version: 1006.2926v1 · doi: 10.48550/arxiv.1006.2926 · pith_short_12: 5IALNWSQRGMB · pith_short_16: 5IALNWSQRGMBP4YP · pith_short_8: 5IALNWSQ

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/5IALNWSQRGMBP4YPFMZT2A4QXL \
  | 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: ea00b6da50899817f30f2b333d0390bac7b9d7a3a1e5a07649d86bde18eb82a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "373abbcf69eeff583afd5ebb70d0257e91fb13ed0b5dcf25d3454b4f50bdc744",
    "cross_cats_sorted": [
      "cs.CG",
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2010-06-15T08:51:35Z",
    "title_canon_sha256": "be8abfa0117c2e653cbb51d5d0503844c5f56c3ea082e07ebd34ed8e4d39ec2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.2926",
    "kind": "arxiv",
    "version": 1
  }
}