Pith Number

pith:4UDZYG7J

pith:2015:4UDZYG7JND2KL2ECYT5XAV4SKU

not attested not anchored not stored refs pending

Small Cores in 3-uniform Hypergraphs

David Solymosi, Jozsef Solymosi

arxiv:1504.01829 v2 · 2015-04-08 · 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{4UDZYG7JND2KL2ECYT5XAV4SKU}

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	2026-05-18T01:12:18.506198Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5079c1be968f4a5e882c4fb705792551e5d5283e65e92504d27957f5702e44a

Aliases

arxiv: 1504.01829 · arxiv_version: 1504.01829v2 · doi: 10.48550/arxiv.1504.01829 · pith_short_12: 4UDZYG7JND2K · pith_short_16: 4UDZYG7JND2KL2EC · pith_short_8: 4UDZYG7J

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/4UDZYG7JND2KL2ECYT5XAV4SKU \
  | 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: e5079c1be968f4a5e882c4fb705792551e5d5283e65e92504d27957f5702e44a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "664c2e57bcd74ece0f4f0501da75ec10bde206395ab014ad86e9f2d2db7efeeb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-04-08T04:38:52Z",
    "title_canon_sha256": "68507f588113279293a8bdd810945cd712e4f489243354b21153202f285a4ae4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.01829",
    "kind": "arxiv",
    "version": 2
  }
}