Pith Number

pith:USHNRE4A

pith:2011:USHNRE4AVOZKA5TMVB7XEM3QXY

not attested not anchored not stored refs pending

Laser ablation loading of a radiofrequency ion trap

E. Peik, K. Zimmermann, M. V. Okhapkin, O. A. Herrera-Sancho

arxiv:1112.1664 v1 · 2011-12-07 · 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{USHNRE4AVOZKA5TMVB7XEM3QXY}

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	2026-05-18T03:17:12.151158Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a48ed89380abb2a0766ca87f723370be30b9133ce2cfd0a5c9649a981140410e

Aliases

arxiv: 1112.1664 · arxiv_version: 1112.1664v1 · doi: 10.48550/arxiv.1112.1664 · pith_short_12: USHNRE4AVOZK · pith_short_16: USHNRE4AVOZKA5TM · pith_short_8: USHNRE4A

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/USHNRE4AVOZKA5TMVB7XEM3QXY \
  | 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: a48ed89380abb2a0766ca87f723370be30b9133ce2cfd0a5c9649a981140410e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f234c01e9080084be0b0ad0137b6630fd763616c8062a0f8625d31446cc00971",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2011-12-07T18:57:43Z",
    "title_canon_sha256": "fe79b07e12ee837517beeb1276ecfff2145ad5882713d655d5c456c30080cb50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.1664",
    "kind": "arxiv",
    "version": 1
  }
}