Pith Number

pith:JWIFMOBE

pith:2011:JWIFMOBENWBMHRX2PWK36ZE24Y

not attested not anchored not stored refs pending

Conflict-free coloring of graphs

G\'abor Tardos, Roman Glebov, Tibor Szab\'o

arxiv:1111.5501 v2 · 2011-11-23 · 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{JWIFMOBENWBMHRX2PWK36ZE24Y}

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	2026-05-18T03:12:48.660167Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d905638246d82c3c6fa7d95bf649ae613e990249ef8b5a9190a34bb9fc61fe6

Aliases

arxiv: 1111.5501 · arxiv_version: 1111.5501v2 · doi: 10.48550/arxiv.1111.5501 · pith_short_12: JWIFMOBENWBM · pith_short_16: JWIFMOBENWBMHRX2 · pith_short_8: JWIFMOBE

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/JWIFMOBENWBMHRX2PWK36ZE24Y \
  | 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: 4d905638246d82c3c6fa7d95bf649ae613e990249ef8b5a9190a34bb9fc61fe6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "611e4dbc69398e346c6250a08dfec0c788daa44ee9f753ee251850761f433ee5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-11-23T14:25:30Z",
    "title_canon_sha256": "910b26d64898397554733f6395e28f4832bbe0d02bf9603c38a4f682bdd6b957"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.5501",
    "kind": "arxiv",
    "version": 2
  }
}