Pith Number

pith:2YRKWGU6

pith:2023:2YRKWGU6HH3IEQODTA4VVJMS5F

not attested not anchored not stored refs pending

Clustered independence and bounded treewidth

Kolja Knauer, Torsten Ueckerdt

arxiv:2303.13655 v4 · 2023-03-23 · math.CO · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2YRKWGU6HH3IEQODTA4VVJMS5F}

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	2026-05-21T01:04:11.064033Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d622ab1a9e39f68241c398395aa592e94a68f2fab37a01eb4022ead40ce9da56

Aliases

arxiv: 2303.13655 · arxiv_version: 2303.13655v4 · doi: 10.48550/arxiv.2303.13655 · pith_short_12: 2YRKWGU6HH3I · pith_short_16: 2YRKWGU6HH3IEQOD · pith_short_8: 2YRKWGU6

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/2YRKWGU6HH3IEQODTA4VVJMS5F \
  | 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: d622ab1a9e39f68241c398395aa592e94a68f2fab37a01eb4022ead40ce9da56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d3010692e66607049e679acef3bdc32dfade8263d9ce2bdb51e6fe654bbd42c",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2023-03-23T20:24:27Z",
    "title_canon_sha256": "622681a6be26663fd5f8b4f8ad3984fa4142155e1b578dfce5e16101ff7148c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.13655",
    "kind": "arxiv",
    "version": 4
  }
}