pith. sign in
Pith Number

pith:5OFPPN6K

pith:2002:5OFPPN6KLHSVR3CLIIINCBNEIM
not attested not anchored not stored refs pending

Time-ordered Perturbation Theory on Noncommutative Spacetime: Basic Rules

Klaus Sibold (ITP, Leipzig), Yi Liao

arxiv:hep-th/0205269 v2 · 2002-05-26 · hep-th · hep-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{5OFPPN6KLHSVR3CLIIINCBNEIM}

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 2026-05-18T04:13:16.891843Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

eb8af7b7ca59e558ec4b4210d105a443160ea4781af955ecfd2d46b41f0e2060

Aliases

arxiv: hep-th/0205269 · arxiv_version: hep-th/0205269v2 · doi: 10.48550/arxiv.hep-th/0205269 · pith_short_12: 5OFPPN6KLHSV · pith_short_16: 5OFPPN6KLHSVR3CL · pith_short_8: 5OFPPN6K
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/5OFPPN6KLHSVR3CLIIINCBNEIM \
  | 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: eb8af7b7ca59e558ec4b4210d105a443160ea4781af955ecfd2d46b41f0e2060
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "e1bf9982f5c8f1cb4e73769ab9e1a55619e0ed9ad959f3eeb6f6b630508cd280",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2002-05-26T11:12:11Z",
    "title_canon_sha256": "8ec3985c73df3d118d0d389f5cb204372ffaf824cd3f6695e92bddb947624335"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0205269",
    "kind": "arxiv",
    "version": 2
  }
}