Pith Number

pith:EHPLLPMS

pith:2013:EHPLLPMS2FRXIF5ILDRPKDU22T

not attested not anchored not stored refs pending

Hyperfine structure of the $2^3S-$state in the ${}^9$Be atom

Alexei M. Frolov, Maria Belen Ruiz

arxiv:1301.6402 v8 · 2013-01-27 · 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{EHPLLPMS2FRXIF5ILDRPKDU22T}

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	2026-05-18T03:07:20.970307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21deb5bd92d1637417a858e2f50e9ad4c5ba28f7a7f6a5542dba3d68c16d396a

Aliases

arxiv: 1301.6402 · arxiv_version: 1301.6402v8 · doi: 10.48550/arxiv.1301.6402 · pith_short_12: EHPLLPMS2FRX · pith_short_16: EHPLLPMS2FRXIF5I · pith_short_8: EHPLLPMS

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/EHPLLPMS2FRXIF5ILDRPKDU22T \
  | 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: 21deb5bd92d1637417a858e2f50e9ad4c5ba28f7a7f6a5542dba3d68c16d396a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5d634e78970652d43b00789c933fd701d47e8b295cacd36d76499493d675f31",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2013-01-27T20:59:50Z",
    "title_canon_sha256": "16af2897aa2a0da7b1a233fc094c4ca73d492a06f939b9f06197efec4758feb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.6402",
    "kind": "arxiv",
    "version": 8
  }
}