Pith Number

pith:JSCLLTGP

pith:2018:JSCLLTGPPDVGBCU2W7CTA6LEDL

not attested not anchored not stored refs pending

Hypergraph matchings and designs

Peter Keevash

arxiv:1807.05752 v1 · 2018-07-16 · 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{JSCLLTGPPDVGBCU2W7CTA6LEDL}

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	2026-05-18T00:10:42.654025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c84b5cccf78ea608a9ab7c53079641aceaa53203859053e487e68e8a8dba785

Aliases

arxiv: 1807.05752 · arxiv_version: 1807.05752v1 · doi: 10.48550/arxiv.1807.05752 · pith_short_12: JSCLLTGPPDVG · pith_short_16: JSCLLTGPPDVGBCU2 · pith_short_8: JSCLLTGP

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/JSCLLTGPPDVGBCU2W7CTA6LEDL \
  | 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: 4c84b5cccf78ea608a9ab7c53079641aceaa53203859053e487e68e8a8dba785

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "feb03e36e4524f1093368a8bdcaae40f1bf44d2ecae48b96b24a912dc365c81b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-07-16T09:26:00Z",
    "title_canon_sha256": "f91e2187a2a40c0b99b32d191b0fbbce0e9963398afed36bb19aa8addfdac243"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.05752",
    "kind": "arxiv",
    "version": 1
  }
}