Pith Number

pith:YZGJ7EOP

pith:2018:YZGJ7EOPWX6Q3XILC7NB6KG2MU

not attested not anchored not stored refs pending

Explicit 3-colorings for exponential graphs

Adrien Argento, Alantha Newman, Pierre Charbit

arxiv:1808.08691 v2 · 2018-08-27 · 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{YZGJ7EOPWX6Q3XILC7NB6KG2MU}

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	2026-05-17T23:51:19.576098Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c64c9f91cfb5fd0ddd0b17da1f28da651179a2aaefb3b81383b4a4ea96182451

Aliases

arxiv: 1808.08691 · arxiv_version: 1808.08691v2 · doi: 10.48550/arxiv.1808.08691 · pith_short_12: YZGJ7EOPWX6Q · pith_short_16: YZGJ7EOPWX6Q3XIL · pith_short_8: YZGJ7EOP

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/YZGJ7EOPWX6Q3XILC7NB6KG2MU \
  | 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: c64c9f91cfb5fd0ddd0b17da1f28da651179a2aaefb3b81383b4a4ea96182451

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "320e132ffd52fe6ed733b1c457d85a2f1d897e0abc01c86e630b5d7e3d0ed4a4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-08-27T05:40:01Z",
    "title_canon_sha256": "1ce12a9c95e3f77807354b5fc1be3b22e280d56bd2ed5760f2264d6783cc853d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.08691",
    "kind": "arxiv",
    "version": 2
  }
}