Pith Number

pith:ZFZFESBY

pith:2018:ZFZFESBYMNXFED5F45OCQPXR5H

not attested not anchored not stored refs pending

Vertex partition of hypergraphs and maximum degenerate subhypergraphs

Michael Stiebitz, Thomas Schweser

arxiv:1807.02308 v1 · 2018-07-06 · 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{ZFZFESBYMNXFED5F45OCQPXR5H}

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	2026-05-18T00:11:22.434521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c972524838636e520fa5e75c283ef1e9d5d7249f0870ec8db4dbe144ca06f9ab

Aliases

arxiv: 1807.02308 · arxiv_version: 1807.02308v1 · doi: 10.48550/arxiv.1807.02308 · pith_short_12: ZFZFESBYMNXF · pith_short_16: ZFZFESBYMNXFED5F · pith_short_8: ZFZFESBY

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/ZFZFESBYMNXFED5F45OCQPXR5H \
  | 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: c972524838636e520fa5e75c283ef1e9d5d7249f0870ec8db4dbe144ca06f9ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce14d66d83055628e410aee9f00b384d49dbee3c6801dd389d1bed31fee5d0ed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-07-06T08:17:37Z",
    "title_canon_sha256": "a2bdbcf52bd5615b00c1e00e99ac2f4da5845b7bbb3eef06952274fbaf6a434e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.02308",
    "kind": "arxiv",
    "version": 1
  }
}