pith. sign in
Pith Number

pith:5HAOZOPH

pith:2008:5HAOZOPH6EQ6VZ332KY3K2YXZC
not attested not anchored not stored refs pending

Lie conformal algebra cohomology and the variational complex

Alberto De Sole, Victor Kac

arxiv:0812.4897 v1 · 2008-12-29 · math.QA · math-ph · math.MP · nlin.SI

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{5HAOZOPH6EQ6VZ332KY3K2YXZC}

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 2026-05-18T01:24:13.124330Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e9c0ecb9e7f121eae77bd2b1b56b17c8996080abf1da52a6687deda258e36f84

Aliases

arxiv: 0812.4897 · arxiv_version: 0812.4897v1 · doi: 10.48550/arxiv.0812.4897 · pith_short_12: 5HAOZOPH6EQ6 · pith_short_16: 5HAOZOPH6EQ6VZ33 · pith_short_8: 5HAOZOPH
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/5HAOZOPH6EQ6VZ332KY3K2YXZC \
  | 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: e9c0ecb9e7f121eae77bd2b1b56b17c8996080abf1da52a6687deda258e36f84
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "0d637e57aede9d9661d548b413a055785a885d2282ddfc8af3cff3897755a211",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2008-12-29T11:36:22Z",
    "title_canon_sha256": "03fa8992cc97b88be7011535e53692ebf0e5cc9bcf23a75aebd93fcaadde1b52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.4897",
    "kind": "arxiv",
    "version": 1
  }
}