Pith Number

pith:JW227MU2

pith:2026:JW227MU2FSXQOKWIHVPDFT6WOP

not attested not anchored not stored refs pending

On Zappa-Sz\'ep products of two semidihedral groups

Riccardo Aragona

arxiv:2605.24480 v1 · 2026-05-23 · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JW227MU2FSXQOKWIHVPDFT6WOP}

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	2026-05-26T01:03:42.078639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4db5afb29a2caf072ac83d5e32cfd673ee8e26dba16588686939e3df94783ac5

Aliases

arxiv: 2605.24480 · arxiv_version: 2605.24480v1 · doi: 10.48550/arxiv.2605.24480 · pith_short_12: JW227MU2FSXQ · pith_short_16: JW227MU2FSXQOKWI · pith_short_8: JW227MU2

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/JW227MU2FSXQOKWIHVPDFT6WOP \
  | 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: 4db5afb29a2caf072ac83d5e32cfd673ee8e26dba16588686939e3df94783ac5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "792e0b3cfa6d32c105fe14d801fec6bb8c76adf89195d4bd945361a7c388a9c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2026-05-23T09:06:43Z",
    "title_canon_sha256": "c87c8159528e0181f463f166782934af108206865409af5b9e88ed53c1db7a52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.24480",
    "kind": "arxiv",
    "version": 1
  }
}