Pith Number

pith:LGQDIFBH

pith:2013:LGQDIFBHFUZEAERLARYHCYPIT5

not attested not anchored not stored refs pending

State of the art in the determination of the fine structure constant: test of Quantum Electrodynamics and determination of h/mu

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:1309.3393 v1 · 2013-09-13 · quant-ph · 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{LGQDIFBHFUZEAERLARYHCYPIT5}

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	2026-05-18T03:13:22.719925Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59a03414272d3240122b04707161e89f716e9fea511be34ca48b93a45d96ae1a

Aliases

arxiv: 1309.3393 · arxiv_version: 1309.3393v1 · doi: 10.48550/arxiv.1309.3393 · pith_short_12: LGQDIFBHFUZE · pith_short_16: LGQDIFBHFUZEAERL · pith_short_8: LGQDIFBH

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/LGQDIFBHFUZEAERLARYHCYPIT5 \
  | 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: 59a03414272d3240122b04707161e89f716e9fea511be34ca48b93a45d96ae1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a6fb03391af86c9c71fb32d8c439226f2b32d8d377e5d0ecbe3493ab4641a28",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-09-13T08:27:10Z",
    "title_canon_sha256": "81320634f909ecbac191fe398a64e5077683e03b72657876d126ba6fbafcb77d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.3393",
    "kind": "arxiv",
    "version": 1
  }
}