Pith Number

pith:NEYBLVKJ

pith:2019:NEYBLVKJYS72SCCRUXSMVC3KZG

not attested not anchored not stored refs pending

Cryogenic $^9$Be$^+$ Penning trap for precision measurements with (anti-)protons

Christian Ospelkaus, Johannes Mielke, Juan Manuel Cornejo, Malte Niemann, Matthias Joachim Borchert, Stefan Ulmer, Teresa Meiners

arxiv:1906.09249 v2 · 2019-06-21 · 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{NEYBLVKJYS72SCCRUXSMVC3KZG}

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	2026-07-05T00:28:23.219449Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

693015d549c4bfa90851a5e4ca8b6ac9acb9ebc375a8fa433a4ad94e01940970

Aliases

arxiv: 1906.09249 · arxiv_version: 1906.09249v2 · doi: 10.48550/arxiv.1906.09249 · pith_short_12: NEYBLVKJYS72 · pith_short_16: NEYBLVKJYS72SCCR · pith_short_8: NEYBLVKJ

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/NEYBLVKJYS72SCCRUXSMVC3KZG \
  | 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: 693015d549c4bfa90851a5e4ca8b6ac9acb9ebc375a8fa433a4ad94e01940970

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2593996dca43954169cdbdb507653f0e5c09d1c9f284d9d0b6b2ab94bec42c76",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2019-06-21T17:21:01Z",
    "title_canon_sha256": "629391c854c36e2251a993441aff9b93c852a0201da79c1774121f6537c35669"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.09249",
    "kind": "arxiv",
    "version": 2
  }
}