Pith Number

pith:QEKE5PPB

pith:2013:QEKE5PPBU4BNHNSWTTILBDU3JB

not attested not anchored not stored refs pending

Two-photon spectroscopy of trapped HD$^+$ ions in the Lamb-Dicke regime

Albane Douillet, Jean-Philippe Karr, Jeroen C. J. Koelemeij, Laurent Hilico, Vu Quang Tran

arxiv:1309.1653 v1 · 2013-09-06 · 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{QEKE5PPBU4BNHNSWTTILBDU3JB}

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	2026-05-18T00:50:36.132743Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81144ebde1a702d3b6569cd0b08e9b485626b4f287a60b6ba326f1faa3984f57

Aliases

arxiv: 1309.1653 · arxiv_version: 1309.1653v1 · doi: 10.48550/arxiv.1309.1653 · pith_short_12: QEKE5PPBU4BN · pith_short_16: QEKE5PPBU4BNHNSW · pith_short_8: QEKE5PPB

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/QEKE5PPBU4BNHNSWTTILBDU3JB \
  | 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: 81144ebde1a702d3b6569cd0b08e9b485626b4f287a60b6ba326f1faa3984f57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ea415ab622c1ec1fd3156d94b683b026b54a0874908d380c87c379936948ea4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2013-09-06T14:38:13Z",
    "title_canon_sha256": "c091d43caabe647fe6cab27bd6a627328611091a9ca43ab6560871fe61814948"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.1653",
    "kind": "arxiv",
    "version": 1
  }
}