Pith Number

pith:L4PZ5GAB

pith:2014:L4PZ5GAB6PJJ3IYJ2O2PY3FALF

not attested not anchored not stored refs pending

Recoloring graphs via tree decompositions

Marthe Bonamy, Nicolas Bousquet

arxiv:1403.6386 v1 · 2014-03-25 · 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{L4PZ5GAB6PJJ3IYJ2O2PY3FALF}

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	2026-05-18T02:55:37.032322Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f1f9e9801f3d29da309d3b4fc6ca059455f4d86ba581356eef72e21866d1a0e

Aliases

arxiv: 1403.6386 · arxiv_version: 1403.6386v1 · doi: 10.48550/arxiv.1403.6386 · pith_short_12: L4PZ5GAB6PJJ · pith_short_16: L4PZ5GAB6PJJ3IYJ · pith_short_8: L4PZ5GAB

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/L4PZ5GAB6PJJ3IYJ2O2PY3FALF \
  | 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: 5f1f9e9801f3d29da309d3b4fc6ca059455f4d86ba581356eef72e21866d1a0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "840f87ced7ab9f9f28d6842bb7790304ac4c9dac6a0032e76434104d3ef500c3",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2014-03-25T15:14:33Z",
    "title_canon_sha256": "5e7128489a081f9a885330154c606b6d0e33deede5386b609f930858d88c481c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.6386",
    "kind": "arxiv",
    "version": 1
  }
}