Pith Number

pith:6SPPMJI7

pith:2014:6SPPMJI7VXMN7WX5JG4JOJ7WNJ

not attested not anchored not stored refs pending

Periodic Golay pairs of length 72

Dragomir Z. Djokovic, Ilias S. Kotsireas

arxiv:1409.5969 v2 · 2014-09-21 · 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{6SPPMJI7VXMN7WX5JG4JOJ7WNJ}

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	2026-05-18T00:33:07.478063Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f49ef6251fadd8dfdafd49b89727f66a58c309122f163bd91fd95da261217847

Aliases

arxiv: 1409.5969 · arxiv_version: 1409.5969v2 · doi: 10.48550/arxiv.1409.5969 · pith_short_12: 6SPPMJI7VXMN · pith_short_16: 6SPPMJI7VXMN7WX5 · pith_short_8: 6SPPMJI7

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/6SPPMJI7VXMN7WX5JG4JOJ7WNJ \
  | 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: f49ef6251fadd8dfdafd49b89727f66a58c309122f163bd91fd95da261217847

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "239f10b1e479bef2effaeba2f3a265173963e8912dc1866c6733ad9657563bfe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-09-21T11:17:49Z",
    "title_canon_sha256": "163b8f79c20fa5973321a3acb7b3a764f12e6c644b1de932344bbd8dfb238c17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.5969",
    "kind": "arxiv",
    "version": 2
  }
}