Pith Number

pith:7MEOM6GT

pith:2026:7MEOM6GTAQY35OVYAYD6OCH2FQ

not attested not anchored not stored refs pending

Generation of continuous-wave laser light at 148.4 nm using cavity-enhanced second harmonic generation in $BaMgF_4$

Bettina Lommel, Chenxi Ma, Darius Fenner, Dmitry Budker, Ferdinand Schmidt-Kaler, Florian Zacherl, Frank K\"uhnemann, Gaetano G. M. Bonetti, Gaurav Jha, Hiroki Tanaka, Jan C. M\"uller, Keerthan Subramanian, Ke Zhang, Lars von der Wense, Matthias Bickermann, Michael Zopf, Milena Hugenschmidt, Nutan Kumari Sah, Shoichi Ui, Simon J. Herr, Srinivasa Arasada Pradeep, Stephan Hannig, Valerii Andriushkov, Xian Zheng, Yumiao Wang

arxiv:2606.25046 v1 · 2026-06-23 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7MEOM6GTAQY35OVYAYD6OCH2FQ}

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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	2026-06-25T00:18:16.066655Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb08e678d30431bebab80607e708fa2c3b89ba96789b39700e19f347dccfa532

Aliases

arxiv: 2606.25046 · arxiv_version: 2606.25046v1 · doi: 10.48550/arxiv.2606.25046 · pith_short_12: 7MEOM6GTAQY3 · pith_short_16: 7MEOM6GTAQY35OVY · pith_short_8: 7MEOM6GT

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/7MEOM6GTAQY35OVYAYD6OCH2FQ \
  | 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: fb08e678d30431bebab80607e708fa2c3b89ba96789b39700e19f347dccfa532

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d884102af7a3a0643973d87f032d0d146f7c6af3dc7fe4a267a8a308553d5aa1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2026-06-23T18:03:19Z",
    "title_canon_sha256": "f1ba216a70dd21077bde51182b8b0e6e62de955edc73d55c78666a861a09146e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.25046",
    "kind": "arxiv",
    "version": 1
  }
}