Pith Number

pith:53IQEKF6

pith:2004:53IQEKF6ENLH6YAHJLNDRJUPVJ

not attested not anchored not stored refs pending

Relativistic effects in two valence electron atoms and ions and the search for variation of the fine structure constant

E. J. Angstmann, V. A. Dzuba, V. V. Flambaum

arxiv:physics/0404042 v1 · 2004-04-08 · 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{53IQEKF6ENLH6YAHJLNDRJUPVJ}

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.

Cited by

1 paper in Pith

Massive graviton dark matter searches with long-baseline atom interferometers

Receipt and verification

First computed	2026-07-04T15:37:17.640217Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eed10228be23567f60074ada38a68faa503ef7f34616ac5fbcdd3f83291ab4df

Aliases

arxiv: physics/0404042 · arxiv_version: physics/0404042v1 · doi: 10.48550/arxiv.physics/0404042 · pith_short_12: 53IQEKF6ENLH · pith_short_16: 53IQEKF6ENLH6YAH · pith_short_8: 53IQEKF6

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/53IQEKF6ENLH6YAHJLNDRJUPVJ \
  | 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: eed10228be23567f60074ada38a68faa503ef7f34616ac5fbcdd3f83291ab4df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c25a720d6b0c5481d8ba7a970e4f838dcc6b853f2e7dae62a1c35598c602edc4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2004-04-08T03:58:48Z",
    "title_canon_sha256": "0cf2ece1b0e59a44add4764f579413d4f2cdf2e489f1bf29c21f178ce73f56d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0404042",
    "kind": "arxiv",
    "version": 1
  }
}