Pith Number

pith:SEUOXFQM

pith:2004:SEUOXFQMZBTLS7SY4ZPFKVL2SL

not attested not anchored not stored refs pending

Layout of Graphs with Bounded Tree-Width

David R. Wood, Pat Morin, Vida Dujmovic

arxiv:cs/0406024 v1 · 2004-06-16 · cs.DM · cs.CG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SEUOXFQMZBTLS7SY4ZPFKVL2SL}

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	2026-05-18T04:11:49.492640Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9128eb960cc866b97e58e65e55557a92c73b13c4798ef19f84fc50ef9a3bcdf6

Aliases

arxiv: cs/0406024 · arxiv_version: cs/0406024v1 · doi: 10.48550/arxiv.cs/0406024 · pith_short_12: SEUOXFQMZBTL · pith_short_16: SEUOXFQMZBTLS7SY · pith_short_8: SEUOXFQM

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/SEUOXFQMZBTLS7SY4ZPFKVL2SL \
  | 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: 9128eb960cc866b97e58e65e55557a92c73b13c4798ef19f84fc50ef9a3bcdf6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6cd9e0906a357b69b36377721d9f7c503d0ef01bb8c7bd19fb7a0a908c5905b",
    "cross_cats_sorted": [
      "cs.CG"
    ],
    "license": "",
    "primary_cat": "cs.DM",
    "submitted_at": "2004-06-16T15:29:07Z",
    "title_canon_sha256": "cfeff9098cfc10c152ed59aef43d81dc0a64bda2201bdcdd9aabfa67852cb62f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0406024",
    "kind": "arxiv",
    "version": 1
  }
}