Pith Number

pith:7YV4UBTK

pith:1998:7YV4UBTK5ODQNLLSNTHXXH73Y7

not attested not anchored not stored refs pending

On the running electromagnetic coupling constant at $M_Z$

A.A. Pivovarov, J.G. Koerner, K. Schilcher

arxiv:hep-ph/9812465 v1 · 1998-12-21 · hep-ph · hep-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7YV4UBTK5ODQNLLSNTHXXH73Y7}

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	2026-05-18T04:17:37.156974Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe2bca066aeb8706ad726ccf7b9ffbc7e2587ee845bae41a8069f59f0acb0fbe

Aliases

arxiv: hep-ph/9812465 · arxiv_version: hep-ph/9812465v1 · doi: 10.48550/arxiv.hep-ph/9812465 · pith_short_12: 7YV4UBTK5ODQ · pith_short_16: 7YV4UBTK5ODQNLLS · pith_short_8: 7YV4UBTK

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/7YV4UBTK5ODQNLLSNTHXXH73Y7 \
  | 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: fe2bca066aeb8706ad726ccf7b9ffbc7e2587ee845bae41a8069f59f0acb0fbe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4f65a73a2e0f4e7849ee6cbf4aadcbc3cba26fbdf69ae8dc471aca0367e5f75",
    "cross_cats_sorted": [
      "hep-ex"
    ],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1998-12-21T19:55:21Z",
    "title_canon_sha256": "a0e3a2f09f08a62f95e4e3bb3877dacb82b742d048389cd9b8047d7326dda28a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9812465",
    "kind": "arxiv",
    "version": 1
  }
}