Pith Number

pith:FSQBCF4B

pith:2019:FSQBCF4BS2S3HFYE6AZYZRL7UD

not attested not anchored not stored refs pending

Electronic level structure of $\mathrm{Th}^+$ in the range of the $^{229m}\mathrm{Th}$ isomer energy

Andrey Surzhykov, David-Marcel Meier, Ekkehard Peik, Johannes Thielking, Maksim V. Okhapkin, Przemys{\l}aw G{\l}owacki, Robert A. M\"uller

arxiv:1902.09256 v2 · 2019-02-25 · 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{FSQBCF4BS2S3HFYE6AZYZRL7UD}

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	2026-05-17T23:44:11.969704Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ca011178196a5b39704f0338cc57fa0ca3cfcb9d0ed4e6a699f184cfcc22125

Aliases

arxiv: 1902.09256 · arxiv_version: 1902.09256v2 · doi: 10.48550/arxiv.1902.09256 · pith_short_12: FSQBCF4BS2S3 · pith_short_16: FSQBCF4BS2S3HFYE · pith_short_8: FSQBCF4B

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/FSQBCF4BS2S3HFYE6AZYZRL7UD \
  | 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: 2ca011178196a5b39704f0338cc57fa0ca3cfcb9d0ed4e6a699f184cfcc22125

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "997bed604b568b7c8874e31e121a77c15638bd3646c073b7fb04badce2bc9add",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2019-02-25T13:29:07Z",
    "title_canon_sha256": "d647e85fe81ad0d0e57a045255f9c36ad2f78aa81887063840ef59706d86b257"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.09256",
    "kind": "arxiv",
    "version": 2
  }
}