Pith Number

pith:TA4SMA3S

pith:2018:TA4SMA3SWISTMBDO7HDWX3S4AV

not attested not anchored not stored refs pending

Partial Difference Sets in $C_{2^n} \times C_{2^n}$

Ken W. Smith, Martin E. Malandro

arxiv:1811.11223 v1 · 2018-11-27 · 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{TA4SMA3SWISTMBDO7HDWX3S4AV}

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	2026-05-17T23:59:44.439456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9839260372b22536046ef9c76bee5c055f4dad579710b328df5a05eb534fdeb5

Aliases

arxiv: 1811.11223 · arxiv_version: 1811.11223v1 · doi: 10.48550/arxiv.1811.11223 · pith_short_12: TA4SMA3SWIST · pith_short_16: TA4SMA3SWISTMBDO · pith_short_8: TA4SMA3S

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/TA4SMA3SWISTMBDO7HDWX3S4AV \
  | 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: 9839260372b22536046ef9c76bee5c055f4dad579710b328df5a05eb534fdeb5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ef80e3425a5979818b47874e216dc2a5c82c5fe47438bd7a125fb834a67e2d0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-11-27T19:50:49Z",
    "title_canon_sha256": "f6fe27a43e4b37100a68318c170c0d522404f5698389ca89a9dc05c0a70d3db4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.11223",
    "kind": "arxiv",
    "version": 1
  }
}