Pith Number

pith:WFIRZWP3

pith:2013:WFIRZWP3FYMZSA5FKWUSVIY3UU

not attested not anchored not stored refs pending

Recoloring bounded treewidth graphs

Marthe Bonamy, Nicolas Bousquet

arxiv:1302.3486 v1 · 2013-02-14 · 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{WFIRZWP3FYMZSA5FKWUSVIY3UU}

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	2026-05-18T03:33:38.459358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1511cd9fb2e199903a555a92aa31ba52ce47d7cba1fe84e1c71b189bad89ac3

Aliases

arxiv: 1302.3486 · arxiv_version: 1302.3486v1 · doi: 10.48550/arxiv.1302.3486 · pith_short_12: WFIRZWP3FYMZ · pith_short_16: WFIRZWP3FYMZSA5F · pith_short_8: WFIRZWP3

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/WFIRZWP3FYMZSA5FKWUSVIY3UU \
  | 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: b1511cd9fb2e199903a555a92aa31ba52ce47d7cba1fe84e1c71b189bad89ac3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec7c52ff648a5257d45c68b270b00fb01cbc8cb44471ae6b9399c12c6166b7d1",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2013-02-14T17:43:07Z",
    "title_canon_sha256": "a96fb3972f0c25e128e7efe8f26a4320e5c4ec52fb52a77cd17b62d8497b266b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.3486",
    "kind": "arxiv",
    "version": 1
  }
}