Pith Number

pith:VRMHFBCL

pith:2020:VRMHFBCLLVLNWO3G2Y2XTJL7I5

not attested not anchored not stored refs pending

VECSEL systems for quantum information processing with trapped beryllium ions

A. C. Wilson, D. H. Slichter, D. Leibfried, E. Kantola, H. M. Knaack, J.-P. Penttinen, M. Guina, M. M\"aki, P.-Y. Hou, S. C. Burd, S. Ranta

arxiv:2003.09060 v1 · 2020-03-20 · physics.atom-ph · physics.optics · quant-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{VRMHFBCLLVLNWO3G2Y2XTJL7I5}

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	2026-07-05T07:29:50.610461Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac5872844b5d56db3b66d63579a57f474286155be72107c9a47f19193d921849

Aliases

arxiv: 2003.09060 · arxiv_version: 2003.09060v1 · doi: 10.48550/arxiv.2003.09060 · pith_short_12: VRMHFBCLLVLN · pith_short_16: VRMHFBCLLVLNWO3G · pith_short_8: VRMHFBCL

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/VRMHFBCLLVLNWO3G2Y2XTJL7I5 \
  | 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: ac5872844b5d56db3b66d63579a57f474286155be72107c9a47f19193d921849

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fa8b2dc1007a8d64d687af5abe47e75a7b06948528312f279735a4e6dcac22f",
    "cross_cats_sorted": [
      "physics.optics",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2020-03-20T01:18:58Z",
    "title_canon_sha256": "87acba614f9155c354a119bccf7e4b8ec115546ac69cc78126e3e8a55567151c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.09060",
    "kind": "arxiv",
    "version": 1
  }
}