Pith Number

pith:5L3ZSJRE

pith:2010:5L3ZSJRE3IPBMGLZ2JEZVUS2PY

not attested not anchored not stored refs pending

New determination of the fine structure constant and test of the quantum electrodynamics

Fran\c{c}ois Biraben (LKB - Jussieu), Fran\c{c}ois Nez (LKB - Jussieu), Pierre Clad\'e (LKB - Jussieu), Rym Bouchendira (LKB - Jussieu), Sa\"ida Guellati-Kh\'elifa (LKB - Jussieu)

arxiv:1012.3627 v1 · 2010-12-16 · physics.atom-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{5L3ZSJRE3IPBMGLZ2JEZVUS2PY}

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	2026-05-18T04:27:37.807808Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eaf7992624da1e161979d2499ad25a7e29d335498549699cfedd7f290cf9749a

Aliases

arxiv: 1012.3627 · arxiv_version: 1012.3627v1 · doi: 10.48550/arxiv.1012.3627 · pith_short_12: 5L3ZSJRE3IPB · pith_short_16: 5L3ZSJRE3IPBMGLZ · pith_short_8: 5L3ZSJRE

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/5L3ZSJRE3IPBMGLZ2JEZVUS2PY \
  | 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: eaf7992624da1e161979d2499ad25a7e29d335498549699cfedd7f290cf9749a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa1474eee27020ea4b1bc50939d90a728717837d3bd5e2cb08cd169a425d02ef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2010-12-16T14:59:13Z",
    "title_canon_sha256": "60144a7e6f8d5f5fc37af16b7103abe5534302dc083a4bd465c24467acff4a1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.3627",
    "kind": "arxiv",
    "version": 1
  }
}