Pith Number

pith:OTKNTGK4

pith:2008:OTKNTGK4BGGM23XJNAD5CZD2VE

not attested not anchored not stored refs pending

The running fine structure constant alpha(E) via the Adler function

F. Jegerlehner

arxiv:0807.4206 v1 · 2008-07-26 · 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{OTKNTGK4BGGM23XJNAD5CZD2VE}

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	2026-07-04T15:15:50.335024Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74d4d9995c098ccd6ee96807d1647aa92d7af3dbfdb6504674fbf247144c71c7

Aliases

arxiv: 0807.4206 · arxiv_version: 0807.4206v1 · doi: 10.48550/arxiv.0807.4206 · pith_short_12: OTKNTGK4BGGM · pith_short_16: OTKNTGK4BGGM23XJ · pith_short_8: OTKNTGK4

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/OTKNTGK4BGGM23XJNAD5CZD2VE \
  | 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: 74d4d9995c098ccd6ee96807d1647aa92d7af3dbfdb6504674fbf247144c71c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "996c24913682a622c4d8484384156740357fc2d8fe8cb885699b0a9ba87db77b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2008-07-26T00:12:13Z",
    "title_canon_sha256": "68fc3b184ee7666ac7b643f7028d6a53134cedc0c643e07ce2f4f1b538ce57ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.4206",
    "kind": "arxiv",
    "version": 1
  }
}