Pith Number

pith:IL7OLVT7

pith:2015:IL7OLVT7RZQXJPTDC3TXGZ6GVH

not attested not anchored not stored refs pending

Wreath product of matrices

Alfredo Donno, Daniele D'Angeli

arxiv:1507.02609 v1 · 2015-07-09 · 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{IL7OLVT7RZQXJPTDC3TXGZ6GVH}

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	2026-05-18T01:00:40.511922Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42fee5d67f8e6174be6316e77367c6a9fbb2a9641219fa60998a6770e7e87406

Aliases

arxiv: 1507.02609 · arxiv_version: 1507.02609v1 · doi: 10.48550/arxiv.1507.02609 · pith_short_12: IL7OLVT7RZQX · pith_short_16: IL7OLVT7RZQXJPTD · pith_short_8: IL7OLVT7

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/IL7OLVT7RZQXJPTDC3TXGZ6GVH \
  | 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: 42fee5d67f8e6174be6316e77367c6a9fbb2a9641219fa60998a6770e7e87406

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87aef6a3f460107379e5f55a9badbe76f266ac55d150c84d1e85caa1d7eb248f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2015-07-09T17:33:33Z",
    "title_canon_sha256": "9bd52b22b60001cfff41dbed94be0ab376195cd2ecf9faf0f9454f9bfef8ee8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.02609",
    "kind": "arxiv",
    "version": 1
  }
}