Pith Number

pith:4OMO6JFX

pith:1997:4OMO6JFXOBKDNYNDBOMMRAK4YR

not attested not anchored not stored refs pending

Update of the electromagnetic effective coupling constant $\alpha(M^2_Z)$

N.V.Krasnikov, R.Rodenberg

arxiv:hep-ph/9711367 v1 · 1997-11-18 · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4OMO6JFXOBKDNYNDBOMMRAK4YR}

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	2026-05-18T04:31:00.837129Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e398ef24b7705436e1a30b98c8815cc448d07acb7a34a97eb5a853ecfc8c272e

Aliases

arxiv: hep-ph/9711367 · arxiv_version: hep-ph/9711367v1 · doi: 10.48550/arxiv.hep-ph/9711367 · pith_short_12: 4OMO6JFXOBKD · pith_short_16: 4OMO6JFXOBKDNYND · pith_short_8: 4OMO6JFX

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/4OMO6JFXOBKDNYNDBOMMRAK4YR \
  | 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: e398ef24b7705436e1a30b98c8815cc448d07acb7a34a97eb5a853ecfc8c272e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ed74242ea95a44c319955cbc1b68ad17e41680d1f64ae5d4e6826540e2bb8fe",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1997-11-18T13:09:18Z",
    "title_canon_sha256": "158a42215424c1706bf1bc044375e1a2e01027103dd3e319cfac2ef1c5132080"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9711367",
    "kind": "arxiv",
    "version": 1
  }
}