Pith Number

pith:KCWVKFJI

pith:2025:KCWVKFJI2HUS7RZFUE3YUPLPER

not attested not anchored not stored refs pending

The subalgebras of the generalized special unitary algebra $\mathfrak{su}(2,1)$

Andrew Douglas, Willem A. de Graaf

arxiv:2504.17942 v2 · 2025-04-24 · 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{KCWVKFJI2HUS7RZFUE3YUPLPER}

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	2026-07-05T12:03:26.350744Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50ad551528d1e92fc725a1378a3d6f24674bf3db8ae4e67c0b4b1fb20c3461dc

Aliases

arxiv: 2504.17942 · arxiv_version: 2504.17942v2 · doi: 10.48550/arxiv.2504.17942 · pith_short_12: KCWVKFJI2HUS · pith_short_16: KCWVKFJI2HUS7RZF · pith_short_8: KCWVKFJI

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/KCWVKFJI2HUS7RZFUE3YUPLPER \
  | 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: 50ad551528d1e92fc725a1378a3d6f24674bf3db8ae4e67c0b4b1fb20c3461dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23384488e56003996ec9df74e4fe8e1ac86f4854c7453339ca4ddc897a3c9bd7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2025-04-24T21:07:07Z",
    "title_canon_sha256": "cdd8c0663d777d54a588ace3fe652c33295f6f4055aa115c6b8e70469dccec0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.17942",
    "kind": "arxiv",
    "version": 2
  }
}