Pith Number

pith:6WU5GDZX

pith:2023:6WU5GDZXCKB45HKIYX2E7RVGHR

not attested not anchored not stored refs pending

Hitting sets and colorings of hypergraphs

Bal\'azs Bursics, Bence Csonka, Luca Szepessy

arxiv:2307.12154 v3 · 2023-07-22 · 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{6WU5GDZXCKB45HKIYX2E7RVGHR}

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	2026-05-20T01:04:48.306085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5a9d30f371283ce9d48c5f44fc6a63c4ea86c11147077999e2e3b15d35cc2f5

Aliases

arxiv: 2307.12154 · arxiv_version: 2307.12154v3 · doi: 10.48550/arxiv.2307.12154 · pith_short_12: 6WU5GDZXCKB4 · pith_short_16: 6WU5GDZXCKB45HKI · pith_short_8: 6WU5GDZX

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/6WU5GDZXCKB45HKIYX2E7RVGHR \
  | 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: f5a9d30f371283ce9d48c5f44fc6a63c4ea86c11147077999e2e3b15d35cc2f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d9783bead3a308e83803ce0b73ef4e5fde1fed5fa8c232548d44205213e3ded",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2023-07-22T19:58:09Z",
    "title_canon_sha256": "79cf5f21379c2b15d1d1da3460c27e62bbcfd1494b8ee0f21f7c64427d6454b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.12154",
    "kind": "arxiv",
    "version": 3
  }
}