Pith Number

pith:J5ZQ4XPS

pith:2009:J5ZQ4XPSTTJ5C5MUNL322Q7EIE

not attested not anchored not stored refs pending

High-accuracy Penning trap mass measurements with stored and cooled exotic ions

G. Werth, K. Blaum, Sz. Nagy

arxiv:0904.4712 v1 · 2009-04-29 · nucl-ex

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J5ZQ4XPSTTJ5C5MUNL322Q7EIE}

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	2026-07-04T15:50:22.634940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f730e5df29cd3d175946af7ad43e4412c7c808fd8d927bd8efc5bf479426307

Aliases

arxiv: 0904.4712 · arxiv_version: 0904.4712v1 · doi: 10.48550/arxiv.0904.4712 · pith_short_12: J5ZQ4XPSTTJ5 · pith_short_16: J5ZQ4XPSTTJ5C5MU · pith_short_8: J5ZQ4XPS

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/J5ZQ4XPSTTJ5C5MUNL322Q7EIE \
  | 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: 4f730e5df29cd3d175946af7ad43e4412c7c808fd8d927bd8efc5bf479426307

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22db10d146f6c4121f52c3379930cb2a58d448e9d5fff71acffe8aa8e2891f9d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-ex",
    "submitted_at": "2009-04-29T22:07:23Z",
    "title_canon_sha256": "e7464e77e8282877ea188d7411f618ea1f52f4deef38e749132faee7330acffd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.4712",
    "kind": "arxiv",
    "version": 1
  }
}