Pith Number

pith:335BNY7I

pith:2018:335BNY7IPZFZF7QGURGSNXN4WB

not attested not anchored not stored refs pending

The existence of designs II

Peter Keevash

arxiv:1802.05900 v1 · 2018-02-16 · 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{335BNY7IPZFZF7QGURGSNXN4WB}

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.

Cited by

2 papers in Pith

Perfectly packing graphs with bounded degeneracy and many leaves

A rainbow blow-up lemma for almost optimally bounded edge-colourings

Receipt and verification

First computed	2026-05-18T00:23:10.557776Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

defa16e3e87e4b92fe06a44d26ddbcb048ea81b91bded0418560f185938622d7

Aliases

arxiv: 1802.05900 · arxiv_version: 1802.05900v1 · doi: 10.48550/arxiv.1802.05900 · pith_short_12: 335BNY7IPZFZ · pith_short_16: 335BNY7IPZFZF7QG · pith_short_8: 335BNY7I

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/335BNY7IPZFZF7QGURGSNXN4WB \
  | 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: defa16e3e87e4b92fe06a44d26ddbcb048ea81b91bded0418560f185938622d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60b5810bfff212683fe7cb198657b1bb81f3c249fb9166869545c6f89e14cfd7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-02-16T11:42:15Z",
    "title_canon_sha256": "03cec2cf6399ea8d1c30bd9afd4c18fa3156a6e18c5907de0838e9fe1df82097"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.05900",
    "kind": "arxiv",
    "version": 1
  }
}