Pith Number

pith:4STTKR3F

pith:2016:4STTKR3FEGYOQZWEYKDCH3AMS4

not attested not anchored not stored refs pending

The largest Erd\H{o}s-Ko-Rado sets in 2-(v,k,1) designs

Maarten De Boeck

arxiv:1601.00441 v1 · 2016-01-04 · 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{4STTKR3FEGYOQZWEYKDCH3AMS4}

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	2026-05-18T01:23:27.437766Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4a735476521b0e866c4c28623ec0c9729ac2f6b7975af5e2bbd9232750477a2

Aliases

arxiv: 1601.00441 · arxiv_version: 1601.00441v1 · doi: 10.48550/arxiv.1601.00441 · pith_short_12: 4STTKR3FEGYO · pith_short_16: 4STTKR3FEGYOQZWE · pith_short_8: 4STTKR3F

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/4STTKR3FEGYOQZWEYKDCH3AMS4 \
  | 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: e4a735476521b0e866c4c28623ec0c9729ac2f6b7975af5e2bbd9232750477a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1891b032c0dfbf21f3e12cb8c518a2539e5c56509aac22cc8829a353b0925a69",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-01-04T10:27:24Z",
    "title_canon_sha256": "ac43dfa1a4ee722027271c205cc6de808589ea1f098226fe359ebbaf5e5ce42c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.00441",
    "kind": "arxiv",
    "version": 1
  }
}