Pith Number

pith:SBEYWIDK

pith:2014:SBEYWIDKELX6QBEXYLWNCKDOT5

not attested not anchored not stored refs pending

Bounding the Number of Hyperedges in Friendship $r$-Hypergraphs

Jason Semeraro, Karen Gunderson, Natasha Morrison

arxiv:1412.5822 v2 · 2014-12-18 · math.CO · cs.DM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SBEYWIDKELX6QBEXYLWNCKDOT5}

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	2026-05-18T02:17:33.343157Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90498b206a22efe80497c2ecd1286e9f5ab35bfb3d05707a1cf6f7321af6a320

Aliases

arxiv: 1412.5822 · arxiv_version: 1412.5822v2 · doi: 10.48550/arxiv.1412.5822 · pith_short_12: SBEYWIDKELX6 · pith_short_16: SBEYWIDKELX6QBEX · pith_short_8: SBEYWIDK

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/SBEYWIDKELX6QBEXYLWNCKDOT5 \
  | 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: 90498b206a22efe80497c2ecd1286e9f5ab35bfb3d05707a1cf6f7321af6a320

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13894454ae884df28ad59886cce8dcbcb892811a4ba77e63b24cad3a0a8417df",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-12-18T11:47:26Z",
    "title_canon_sha256": "c3640a851782687e6531bd1ff975849c8dbb92eca8d725ea228173e89dad5776"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.5822",
    "kind": "arxiv",
    "version": 2
  }
}