pith. sign in
Pith Number

pith:RWN2KXCP

pith:2009:RWN2KXCPREERHYHJQL325YLB4R
not attested not anchored not stored refs pending

Odd Chern-Simons Theory, Lie Algebra Cohomology and Characteristic Classes

Jian Qiu, Maxim Zabzine

arxiv:0912.1243 v2 · 2009-12-07 · hep-th · math.QA · math.SG

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{RWN2KXCPREERHYHJQL325YLB4R}

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 2026-05-18T04:36:50.334395Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

8d9ba55c4f890913e0e982f7aee161e44f6ed9e52c01f8e237fbf7905324f87e

Aliases

arxiv: 0912.1243 · arxiv_version: 0912.1243v2 · doi: 10.48550/arxiv.0912.1243 · pith_short_12: RWN2KXCPREER · pith_short_16: RWN2KXCPREERHYHJ · pith_short_8: RWN2KXCP
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/RWN2KXCPREERHYHJQL325YLB4R \
  | 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: 8d9ba55c4f890913e0e982f7aee161e44f6ed9e52c01f8e237fbf7905324f87e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "24663d0e42a2ec761a3d6cfe4fc3d5127a00a738df3d17680c839b981dc9198b",
    "cross_cats_sorted": [
      "math.QA",
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-12-07T13:59:03Z",
    "title_canon_sha256": "a230fc3510f8cb44ed22612b16082b1e09ca7f794a8493d5a5bb249b2be3546f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.1243",
    "kind": "arxiv",
    "version": 2
  }
}