Pith Number

pith:C43NWQH6

pith:2015:C43NWQH6FUBU2PK2EMAOHXO57U

not attested not anchored not stored refs pending

Quaternionic Heisenberg groups as naturally reductive homogeneous spaces

Ana Cristina Ferreira, Ilka Agricola, Reinier Storm

arxiv:1503.08350 v1 · 2015-03-28 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C43NWQH6FUBU2PK2EMAOHXO57U}

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	2026-05-18T01:29:02.549956Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1736db40fe2d034d3d5a2300e3ddddfd34f13fd93d60cdb589018ca60398818b

Aliases

arxiv: 1503.08350 · arxiv_version: 1503.08350v1 · doi: 10.48550/arxiv.1503.08350 · pith_short_12: C43NWQH6FUBU · pith_short_16: C43NWQH6FUBU2PK2 · pith_short_8: C43NWQH6

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/C43NWQH6FUBU2PK2EMAOHXO57U \
  | 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: 1736db40fe2d034d3d5a2300e3ddddfd34f13fd93d60cdb589018ca60398818b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "719279f5b8976e2bd2b154a3886eede839aefc0494952be33754b8e579e28b22",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-03-28T21:06:33Z",
    "title_canon_sha256": "d70ea8afe7760d350cf331d2d2895518925086ba0d39bdb57f5baa148fb51d3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.08350",
    "kind": "arxiv",
    "version": 1
  }
}