Pith Number

pith:GHZLOKD3

pith:2019:GHZLOKD35CQLYHL36E2X324OQF

not attested not anchored not stored refs pending

A cryogenic radio-frequency ion trap for quantum logic spectroscopy of highly charged ions

Amado Bautista-Salvador, Christian Ospelkaus, Jan C. Heip, Jos\'e R. Crespo L\'opez-Urrutia, Peter Micke, Piet O. Schmidt, Steven A. King, Tobias Leopold

arxiv:1901.03082 v1 · 2019-01-10 · 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{GHZLOKD35CQLYHL36E2X324OQF}

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	2026-07-04T23:52:34.710803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31f2b7287be8a0bc1d7bf1357deb8e81527dbea4e7dca0b1b7e6b65d6729f35b

Aliases

arxiv: 1901.03082 · arxiv_version: 1901.03082v1 · doi: 10.48550/arxiv.1901.03082 · pith_short_12: GHZLOKD35CQL · pith_short_16: GHZLOKD35CQLYHL3 · pith_short_8: GHZLOKD3

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/GHZLOKD35CQLYHL36E2X324OQF \
  | 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: 31f2b7287be8a0bc1d7bf1357deb8e81527dbea4e7dca0b1b7e6b65d6729f35b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee63f2da346c149b339bf170eea35b179b815cbe4b6ce198be8468bd5518bfc5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2019-01-10T10:24:15Z",
    "title_canon_sha256": "cecb839ebafbaaf13f4391c4fa90241400a2b0e7bf53222c76c436ba48b8d364"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.03082",
    "kind": "arxiv",
    "version": 1
  }
}