Pith Number

pith:ABMBP6JK

pith:2013:ABMBP6JKHCSQI62B4FX5NHGSDK

not attested not anchored not stored refs pending

Incidence coloring game and arboricity of graphs

Cl\'ement Charpentier (LaBRI), Eric Sopena (LaBRI)

arxiv:1304.0166 v1 · 2013-03-31 · cs.DM · 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{ABMBP6JKHCSQI62B4FX5NHGSDK}

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	2026-05-18T03:22:05.253525Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

005817f92a38a5047b41e16fd69cd21aae0ae7dadd2663ddc52bde4ed99b7155

Aliases

arxiv: 1304.0166 · arxiv_version: 1304.0166v1 · doi: 10.48550/arxiv.1304.0166 · pith_short_12: ABMBP6JKHCSQ · pith_short_16: ABMBP6JKHCSQI62B · pith_short_8: ABMBP6JK

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/ABMBP6JKHCSQI62B4FX5NHGSDK \
  | 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: 005817f92a38a5047b41e16fd69cd21aae0ae7dadd2663ddc52bde4ed99b7155

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be61bbc378c832f20333ce8c70623301d9db9284e957ff002e2fadc797b0fe2b",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2013-03-31T08:56:24Z",
    "title_canon_sha256": "907240edeb3c805b64c08dd2fbfbc17434c27dacca03d0a9ca21ba5a83d4d8a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.0166",
    "kind": "arxiv",
    "version": 1
  }
}