Pith Number

pith:RXP7KXGN

pith:2015:RXP7KXGNQB7W3GJDTFU6RUT3DJ

not attested not anchored not stored refs pending

On binary codes related to mutually quasi-unbiased weighing matrices

Masaaki Harada, Sho Suda

arxiv:1504.03502 v3 · 2015-04-14 · 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{RXP7KXGNQB7W3GJDTFU6RUT3DJ}

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	2026-05-18T01:08:32.633933Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ddff55ccd807f6d99239969e8d27b1a7219ae2aa338789f02b8eb5332fcf411

Aliases

arxiv: 1504.03502 · arxiv_version: 1504.03502v3 · doi: 10.48550/arxiv.1504.03502 · pith_short_12: RXP7KXGNQB7W · pith_short_16: RXP7KXGNQB7W3GJD · pith_short_8: RXP7KXGN

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/RXP7KXGNQB7W3GJDTFU6RUT3DJ \
  | 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: 8ddff55ccd807f6d99239969e8d27b1a7219ae2aa338789f02b8eb5332fcf411

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f322e8fd1a8e54a237d11b32ed5fd259ec8db3989428f31c1a78685ad65a84f2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-04-14T11:50:23Z",
    "title_canon_sha256": "2b257f0edfbd32c11f889c98a55e9a3c77ad0d7b8db9cec61dcdfdd166cdfc52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.03502",
    "kind": "arxiv",
    "version": 3
  }
}