Pith. sign in
Pith Number

pith:ZNIBBZC4

pith:2003:ZNIBBZC4UY67OS7ZJ6VT54WOYW
not attested not anchored not stored refs pending

Test of non-commutative QED in the process e+e- -> gamma gamma at LEP

The OPAL collaboration

arxiv:hep-ex/0303035 v1 · 2003-03-24 · hep-ex

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{ZNIBBZC4UY67OS7ZJ6VT54WOYW}

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 2026-05-18T03:47:32.059100Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

cb5010e45ca63df74bf94fab3ef2cec5a7541f5570731cefca0353cc3e0e1df8

Aliases

arxiv: hep-ex/0303035 · arxiv_version: hep-ex/0303035v1 · doi: 10.48550/arxiv.hep-ex/0303035 · pith_short_12: ZNIBBZC4UY67 · pith_short_16: ZNIBBZC4UY67OS7Z · pith_short_8: ZNIBBZC4
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/ZNIBBZC4UY67OS7ZJ6VT54WOYW \
  | 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: cb5010e45ca63df74bf94fab3ef2cec5a7541f5570731cefca0353cc3e0e1df8
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "e5afc33147c94b58634b6d362a9a961b9cf17f7d2eeac4c177d89cffd8d7a059",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ex",
    "submitted_at": "2003-03-24T15:53:06Z",
    "title_canon_sha256": "07333a4e8ec434d2d27bd83e0f10ab210fe0712ef464009ba8b59a6086b398a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ex/0303035",
    "kind": "arxiv",
    "version": 1
  }
}