Pith Number

pith:5GBJJT4S

pith:2026:5GBJJT4SBX6KWQLVCPZNHUK3VF

not attested not anchored not stored refs pending

On the potential for high-accuracy spectroscopy of $\mathrm{H}_2^+$ and $\overline{\mathrm{H}}_2^-$ in Penning traps for a test of CPT invariance

Christian Ospelkaus, Dimitar Bakalov, Juan M. Cornejo, Nikita Poljakov, Stefan Ulmer, Stephan Schiller

arxiv:2605.16585 v1 · 2026-05-15 · 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{5GBJJT4SBX6KWQLVCPZNHUK3VF}

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	2026-05-20T00:02:31.177692Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e98294cf920dfcab417513f2d3d15ba96ebdf96f3dff29c56c0b6d5aa1690669

Aliases

arxiv: 2605.16585 · arxiv_version: 2605.16585v1 · doi: 10.48550/arxiv.2605.16585 · pith_short_12: 5GBJJT4SBX6K · pith_short_16: 5GBJJT4SBX6KWQLV · pith_short_8: 5GBJJT4S

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/5GBJJT4SBX6KWQLVCPZNHUK3VF \
  | 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: e98294cf920dfcab417513f2d3d15ba96ebdf96f3dff29c56c0b6d5aa1690669

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4f21fbfbd889e35f42c71303affcfdcf84aeaef49f1ab061efb030b2f6ae5ef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-05-15T19:41:42Z",
    "title_canon_sha256": "bc49c1994c336a7e77f3d576fb7b0b5eb6bfc7c3819e68babef1e385f107e690"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.16585",
    "kind": "arxiv",
    "version": 1
  }
}