Pith Number

pith:2HP7XBLC

pith:2023:2HP7XBLCOMHVVRMLMHJZRCTPAO

not attested not anchored not stored refs pending

Arc weighted acyclic orientations and variations of degeneracy of graphs

Huan Zhou, Jialu Zhu, Xuding Zhu

arxiv:2308.15853 v3 · 2023-08-30 · 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{2HP7XBLCOMHVVRMLMHJZRCTPAO}

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

Fractional Strict Degeneracy of Graphs

Receipt and verification

First computed	2026-07-05T08:06:42.543538Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1dffb8562730f5ac58b61d3988a6f03b8a0ed7e5fe709f846185446c7918caa

Aliases

arxiv: 2308.15853 · arxiv_version: 2308.15853v3 · doi: 10.48550/arxiv.2308.15853 · pith_short_12: 2HP7XBLCOMHV · pith_short_16: 2HP7XBLCOMHVVRML · pith_short_8: 2HP7XBLC

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/2HP7XBLCOMHVVRMLMHJZRCTPAO \
  | 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: d1dffb8562730f5ac58b61d3988a6f03b8a0ed7e5fe709f846185446c7918caa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d47b7044678646317b8a4bdbbe1893379390d7469426d028223e76aaa61c57c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2023-08-30T08:39:13Z",
    "title_canon_sha256": "808579a46c339068ac645925ad7f5375ac26940a660e243662a158d372b589b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.15853",
    "kind": "arxiv",
    "version": 3
  }
}