Pith Number

pith:P7HZZ7YI

pith:2025:P7HZZ7YIIQE3QH6C32VPYO4JBM

not attested not anchored not stored refs pending

Scalable chip-based 3D ion traps

Alexandre Didier, Christof Wunderlich, Elena Jordan, Erik Jansson, Hendrik Siebeneich, Hu Shao, Malte Brinkmann, Martin Steinel, Michael Johanning, Nils Huntemann, Tanja E. Mehlst\"aubler

arxiv:2504.04946 v2 · 2025-04-07 · 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{P7HZZ7YIIQE3QH6C32VPYO4JBM}

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	2026-06-23T01:11:55.011267Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fcf9cff084409b81fc2deaafc3b890b2e0e5746bcd66eeb4cb8a02ca69e5c8a

Aliases

arxiv: 2504.04946 · arxiv_version: 2504.04946v2 · doi: 10.48550/arxiv.2504.04946 · pith_short_12: P7HZZ7YIIQE3 · pith_short_16: P7HZZ7YIIQE3QH6C · pith_short_8: P7HZZ7YI

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/P7HZZ7YIIQE3QH6C32VPYO4JBM \
  | 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: 7fcf9cff084409b81fc2deaafc3b890b2e0e5746bcd66eeb4cb8a02ca69e5c8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e4bf1a1926f5be4470e2b2fe8d585128ff621b24667e6728aa2e8ec882b77d6",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-04-07T11:33:37Z",
    "title_canon_sha256": "d28af3a6705cd952cacca3db685b74da335764d8bd34713e0b4774030df7e5a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.04946",
    "kind": "arxiv",
    "version": 2
  }
}