Pith Number

pith:PERYFQI3

pith:2009:PERYFQI3WQOQDKJ6XBJDBEO3OV

not attested not anchored not stored refs pending

Parabolic and Levi subalgebras of finitary Lie algebras

Elizabeth Dan-Cohen, Ivan Penkov

arxiv:0904.0398 v1 · 2009-04-02 · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PERYFQI3WQOQDKJ6XBJDBEO3OV}

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	2026-05-18T04:41:36.837807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

792382c11bb41d01a93eb8523091db755a2bf44f4b4ed6fd7bb9a303acec3f0a

Aliases

arxiv: 0904.0398 · arxiv_version: 0904.0398v1 · doi: 10.48550/arxiv.0904.0398 · pith_short_12: PERYFQI3WQOQ · pith_short_16: PERYFQI3WQOQDKJ6 · pith_short_8: PERYFQI3

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/PERYFQI3WQOQDKJ6XBJDBEO3OV \
  | 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: 792382c11bb41d01a93eb8523091db755a2bf44f4b4ed6fd7bb9a303acec3f0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78038a6cc9c1e041a5b9cf30367164ea05deec1ff981ff3063984bab5fd8156e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2009-04-02T14:22:17Z",
    "title_canon_sha256": "95b454ec15a26e9662239ec05670a1e2bf353cb3b4b833369458f51c78d6c49b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.0398",
    "kind": "arxiv",
    "version": 1
  }
}