Pith Number

pith:G6DR43B3

pith:2016:G6DR43B3547RBJVWW5HUYLOPUP

not attested not anchored not stored refs pending

Linked systems of symmetric group divisible designs

Hadi Kharaghani, Sho Suda

arxiv:1609.05255 v2 · 2016-09-17 · 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{G6DR43B3547RBJVWW5HUYLOPUP}

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	2026-05-18T00:41:07.871593Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37871e6c3bef3f10a6b6b74f4c2dcfa3cd782fd058bf960c08df268132655bdb

Aliases

arxiv: 1609.05255 · arxiv_version: 1609.05255v2 · doi: 10.48550/arxiv.1609.05255 · pith_short_12: G6DR43B3547R · pith_short_16: G6DR43B3547RBJVW · pith_short_8: G6DR43B3

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/G6DR43B3547RBJVWW5HUYLOPUP \
  | 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: 37871e6c3bef3f10a6b6b74f4c2dcfa3cd782fd058bf960c08df268132655bdb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f3d88fb7fd543c63989fc5ba7cdb281801c71cbca0cbb9e883aede603b40d24",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-09-17T00:01:12Z",
    "title_canon_sha256": "d1ded873282166c5b9bbb8d8c88aad8a4764dc81f2f025a6bfd758b5e50503f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.05255",
    "kind": "arxiv",
    "version": 2
  }
}