Pith Number

pith:IRFSPYAE

pith:2013:IRFSPYAETEBS3ULGLKGIXOREQF

not attested not anchored not stored refs pending

Mode shaping in mixed ion crystals of 40Ca2+ and 40Ca+

D. Kolbe, F. Schmidt-Kaler, J. Walz, L. Pelzer, M. Stappel, P. Bachor, R. Steinborn, T. Feldker

arxiv:1306.1109 v1 · 2013-06-05 · quant-ph · 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{IRFSPYAETEBS3ULGLKGIXOREQF}

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	2026-05-18T01:49:32.548489Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

444b27e00499032dd1665a8c8bba24814a5b0a717ffbbdbe777e937beec910de

Aliases

arxiv: 1306.1109 · arxiv_version: 1306.1109v1 · doi: 10.48550/arxiv.1306.1109 · pith_short_12: IRFSPYAETEBS · pith_short_16: IRFSPYAETEBS3ULG · pith_short_8: IRFSPYAE

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/IRFSPYAETEBS3ULGLKGIXOREQF \
  | 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: 444b27e00499032dd1665a8c8bba24814a5b0a717ffbbdbe777e937beec910de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68b77b82815d340051e76db6696f84ff893527571a44bafd5f1ea15c9fbee787",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-06-05T14:08:41Z",
    "title_canon_sha256": "058f5c83ff5c2cbcf30a393f6a5e604f129ae9f9968fccd55380380f94684fd0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.1109",
    "kind": "arxiv",
    "version": 1
  }
}