Pith Number

pith:5OLIN7SN

pith:2016:5OLIN7SNDEQVJBSYABD4XC3CXL

not attested not anchored not stored refs pending

Classification of Homogeneous Fourier Matrices

Gurmail Singh

arxiv:1610.05353 v2 · 2016-10-17 · math.RA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5OLIN7SNDEQVJBSYABD4XC3CXL}

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	2026-05-18T00:46:22.468570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb9686fe4d19215486580047cb8b62badb5c42d1795c79bcaf5189b861961cb4

Aliases

arxiv: 1610.05353 · arxiv_version: 1610.05353v2 · doi: 10.48550/arxiv.1610.05353 · pith_short_12: 5OLIN7SNDEQV · pith_short_16: 5OLIN7SNDEQVJBSY · pith_short_8: 5OLIN7SN

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/5OLIN7SNDEQVJBSYABD4XC3CXL \
  | 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: eb9686fe4d19215486580047cb8b62badb5c42d1795c79bcaf5189b861961cb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19162251550c592b622c1f9cffc622fdc32dda931d12dbfb2d4677bc40cf9c44",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2016-10-17T20:53:21Z",
    "title_canon_sha256": "8ef6d93c9d5f908f16718a12969797022bf237dc8ab38e8825a8e1a8651e0239"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.05353",
    "kind": "arxiv",
    "version": 2
  }
}