pith. sign in
Pith Number

pith:ZY6BYSO2

pith:2014:ZY6BYSO2POMAWJ4PPVXTKSNIQD
not attested not anchored not stored refs pending

Between Treewidth and Clique-width

Jan Arne Telle, Sigve Hortemo S{\ae}ther

arxiv:1404.7758 v1 · 2014-04-30 · cs.DS · cs.CC

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{ZY6BYSO2POMAWJ4PPVXTKSNIQD}

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 2026-05-18T02:52:50.033663Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

ce3c1c49da7b980b278f7d6f3549a880c4b7cfa8f5554c82d23f5bc13f9189f6

Aliases

arxiv: 1404.7758 · arxiv_version: 1404.7758v1 · doi: 10.48550/arxiv.1404.7758 · pith_short_12: ZY6BYSO2POMA · pith_short_16: ZY6BYSO2POMAWJ4P · pith_short_8: ZY6BYSO2
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/ZY6BYSO2POMAWJ4PPVXTKSNIQD \
  | 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: ce3c1c49da7b980b278f7d6f3549a880c4b7cfa8f5554c82d23f5bc13f9189f6
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "13a4a1ce26a3a50efb4b684e0e2d6ed9c6b4d8f95b4483e1287920d5d6c21381",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-04-30T15:13:45Z",
    "title_canon_sha256": "ab3170246f8b4db3d447cd2c935f79f369edce691688164f99098d2e4bf47b13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.7758",
    "kind": "arxiv",
    "version": 1
  }
}