Pith Number

pith:SE64G3YG

pith:2012:SE64G3YG3CMBH6XX3XELBL2WRR

not attested not anchored not stored refs pending

The hyperfine structure of the ground states in the helium muonic atoms

Alexei M. Frolov

arxiv:1202.1394 v7 · 2012-02-07 · quant-ph · physics.atm-clus · 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{SE64G3YG3CMBH6XX3XELBL2WRR}

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	2026-05-18T01:58:33.018674Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

913dc36f06d89813faf7ddc8b0af568c582d326427b21cb608e5f176ea363943

Aliases

arxiv: 1202.1394 · arxiv_version: 1202.1394v7 · doi: 10.48550/arxiv.1202.1394 · pith_short_12: SE64G3YG3CMB · pith_short_16: SE64G3YG3CMBH6XX · pith_short_8: SE64G3YG

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/SE64G3YG3CMBH6XX3XELBL2WRR \
  | 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: 913dc36f06d89813faf7ddc8b0af568c582d326427b21cb608e5f176ea363943

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc7bfa5ae221729e161e74c5e3f2172b76cfc581b8f1fb5a84f949dcac9d3b85",
    "cross_cats_sorted": [
      "physics.atm-clus",
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-02-07T11:05:47Z",
    "title_canon_sha256": "e23ab9d514192dd3b0652e0fb5bb6139dd6ccd99f8f8701e5fc27b4e510698c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.1394",
    "kind": "arxiv",
    "version": 7
  }
}