Pith Number

pith:NSYVXMBM

pith:2012:NSYVXMBML3SIDCEPXTUOS23NX7

not attested not anchored not stored refs pending

On the Maximum Number of Edges in a Hypergraph with Given Matching Number

Peter Frankl

arxiv:1205.6847 v1 · 2012-05-30 · math.CO

Open paper page JSON What is a Pith Number?

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

Receipt and verification

First computed	2026-05-18T03:54:36.735761Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cb15bb02c5ee481888fbce8e96b6dbfd63e0e575bd057788b5cfcea4e0ff872

Aliases

arxiv: 1205.6847 · arxiv_version: 1205.6847v1 · doi: 10.48550/arxiv.1205.6847

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/NSYVXMBML3SIDCEPXTUOS23NX7 \
  | 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: 6cb15bb02c5ee481888fbce8e96b6dbfd63e0e575bd057788b5cfcea4e0ff872

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf9e56eb435bccd9e331e132ab95c180e16f05f032dd5b475bcc69c77a418ff9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-05-30T22:16:23Z",
    "title_canon_sha256": "46f9adabfadbee942d656acd72725d2aa78df43772c7ed3c2ffded154712cb59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.6847",
    "kind": "arxiv",
    "version": 1
  }
}