Pith Number

pith:VEGVALCP

pith:2018:VEGVALCP3WXXF66BPU4KD6EPZP

not attested not anchored not stored refs pending

Trapping and sympathetic cooling of single thorium ions for spectroscopy

Christoph D\"ullmann, Dennis Renisch, Dmitry Budker, Felix Stopp, Ferdinand Schmidt-Kaler, Georg Jacob, J\"org Runke, Karin Groot-Berning, Petra Th\"orle-Pospiech, Raphael Haas

arxiv:1807.05975 v1 · 2018-07-16 · physics.atom-ph · quant-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{VEGVALCP3WXXF66BPU4KD6EPZP}

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	2026-05-17T23:53:30.041570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a90d502c4fddaf72fbc17d38a1f88fcbdef950756f2dff3ba0a78ecb32aa7e05

Aliases

arxiv: 1807.05975 · arxiv_version: 1807.05975v1 · doi: 10.48550/arxiv.1807.05975 · pith_short_12: VEGVALCP3WXX · pith_short_16: VEGVALCP3WXXF66B · pith_short_8: VEGVALCP

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/VEGVALCP3WXXF66BPU4KD6EPZP \
  | 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: a90d502c4fddaf72fbc17d38a1f88fcbdef950756f2dff3ba0a78ecb32aa7e05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59be623a8bc3a96c0c7072eaf19084db9c6a677e698d7b48b05fa013f89bdcf5",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2018-07-16T17:19:35Z",
    "title_canon_sha256": "7c8194ffcc54ba04396440cca440873eba51b952d16e430fca78b4ff00eb7ebd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.05975",
    "kind": "arxiv",
    "version": 1
  }
}