Pith Number

pith:36LT7FXN

pith:2017:36LT7FXNKAUOPG4SGEYS42KL2F

not attested not anchored not stored refs pending

Partition-free families of sets

Andrey Kupavskii, Peter Frankl

arxiv:1706.00215 v1 · 2017-06-01 · math.CO · cs.DM

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	2026-05-18T00:29:18.686812Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df973f96ed5028e79b9231312e694bd1548ea813179f0aa816eb1a6d0c574c76

Aliases

arxiv: 1706.00215 · arxiv_version: 1706.00215v1 · doi: 10.48550/arxiv.1706.00215

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/36LT7FXNKAUOPG4SGEYS42KL2F \
  | 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: df973f96ed5028e79b9231312e694bd1548ea813179f0aa816eb1a6d0c574c76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dded294cb8d2a4207c5aadef5446f2fb65bae6aaefa1ee586ec2ec4c0a7e38f0",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-06-01T09:04:17Z",
    "title_canon_sha256": "dab47982565e29fbf71c97482ae5f7626f7111303d00712ad00ada402197387b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.00215",
    "kind": "arxiv",
    "version": 1
  }
}