Pith Number

pith:OVFVQJXV

pith:2018:OVFVQJXV5BYJO7LOZ3L7ZN423A

not attested not anchored not stored refs pending

All $(96,20,4)$ difference sets and related structures

Dylan Peifer, Ken W. Smith, Omar A. AbuGhneim

arxiv:1808.00576 v2 · 2018-08-01 · 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{OVFVQJXV5BYJO7LOZ3L7ZN423A}

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	2026-05-17T23:56:29.545509Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

754b5826f5e870977d6eced7fcb79ad83b7854e464c2eedef373f828e6f45098

Aliases

arxiv: 1808.00576 · arxiv_version: 1808.00576v2 · doi: 10.48550/arxiv.1808.00576 · pith_short_12: OVFVQJXV5BYJ · pith_short_16: OVFVQJXV5BYJO7LO · pith_short_8: OVFVQJXV

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/OVFVQJXV5BYJO7LOZ3L7ZN423A \
  | 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: 754b5826f5e870977d6eced7fcb79ad83b7854e464c2eedef373f828e6f45098

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "faa3da63a1223a33596fad3c916a66cf3deb43d302023d6cc1d1ce473a3a656b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-08-01T21:54:04Z",
    "title_canon_sha256": "fa5f2131addc34de816526641fa4b1564e844ee2ea55f0a3d4aaea2c16171db5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.00576",
    "kind": "arxiv",
    "version": 2
  }
}