Pith Number

pith:4Q7ISETD

pith:2022:4Q7ISETDIYRTKG2CZOKYDXFTVH

not attested not anchored not stored refs pending

Tests of physics beyond the Standard Model with single-electron ions

Christoph H. Keitel, Vincent Debierre, Zoltan Harman

arxiv:2202.01668 v1 · 2022-02-03 · physics.atom-ph · 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{4Q7ISETDIYRTKG2CZOKYDXFTVH}

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	2026-07-05T03:53:56.669799Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e43e8912634623351b42cb9581dcb3a9dc49f83d55693643cc51c58ad846623b

Aliases

arxiv: 2202.01668 · arxiv_version: 2202.01668v1 · doi: 10.48550/arxiv.2202.01668 · pith_short_12: 4Q7ISETDIYRT · pith_short_16: 4Q7ISETDIYRTKG2C · pith_short_8: 4Q7ISETD

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/4Q7ISETDIYRTKG2CZOKYDXFTVH \
  | 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: e43e8912634623351b42cb9581dcb3a9dc49f83d55693643cc51c58ad846623b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15cb03bbee292bd5b861286ee72a9b43256618e1aec367f08715cfab173886d9",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2022-02-03T16:29:45Z",
    "title_canon_sha256": "108d13c6488ffd045a81c651d5fa6e2b88d969f31d98b522294a487cb52004d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.01668",
    "kind": "arxiv",
    "version": 1
  }
}