pith. sign in
Pith Number

pith:4RIY3N7L

pith:2024:4RIY3N7LRBDJQMKGC26OO4RG7P
not attested not anchored not stored refs pending

Inversion diameter and treewidth

Haozhe Wang, Mei Lu, Yichen Wang, Yuxuan Yang

arxiv:2407.15384 v4 · 2024-07-22 · math.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{4RIY3N7LRBDJQMKGC26OO4RG7P}

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.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-05-20T00:04:04.805535Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e4518db7eb884698314616bce77226fbe803fb8a892de6b1d29753f12aa67ed3

Aliases

arxiv: 2407.15384 · arxiv_version: 2407.15384v4 · doi: 10.48550/arxiv.2407.15384 · pith_short_12: 4RIY3N7LRBDJ · pith_short_16: 4RIY3N7LRBDJQMKG · pith_short_8: 4RIY3N7L
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/4RIY3N7LRBDJQMKGC26OO4RG7P \
  | 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: e4518db7eb884698314616bce77226fbe803fb8a892de6b1d29753f12aa67ed3
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "54ccc350e545d3f172a404dab6883b4ec8b3d14a6b0b43c76c1f9e10c113875a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2024-07-22T05:27:44Z",
    "title_canon_sha256": "dcaa05ae9079c943f9e561fd4f02ad93240c50eae9376f47b3d3f8b064f30f35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2407.15384",
    "kind": "arxiv",
    "version": 4
  }
}