Pith Number

pith:LNYL4PVA

pith:2026:LNYL4PVA6JKMLNMCSBR2DS7MQA

not attested not anchored not stored refs pending

Ultra-Low-Noise Brillouin Hybrid Synthetic Laser for Sub-Hertz Clock Spectroscopy

Andrei Isichenko, Dahyeon Lee, Daniel J. Blumenthal, Jun Ye, Lingfeng Yan, Max N. Frankel, Meiting Song, Nick Montifiore, Nitesh Chauhan, Shraddha Agrawal, Stefan Lannig, Yu Hyun Lee

arxiv:2605.26708 v1 · 2026-05-26 · 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{LNYL4PVA6JKMLNMCSBR2DS7MQA}

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	2026-05-27T01:06:08.587838Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b70be3ea0f254c5b5829063a1cbec800a3db9de72459e5e4dd6a087814d36b4

Aliases

arxiv: 2605.26708 · arxiv_version: 2605.26708v1 · doi: 10.48550/arxiv.2605.26708 · pith_short_12: LNYL4PVA6JKM · pith_short_16: LNYL4PVA6JKMLNMC · pith_short_8: LNYL4PVA

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/LNYL4PVA6JKMLNMCSBR2DS7MQA \
  | 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: 5b70be3ea0f254c5b5829063a1cbec800a3db9de72459e5e4dd6a087814d36b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46ddde94c85ef1d22e67bf9fed2e6fe0bafa9adc48db21755e598da99d55a7ae",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2026-05-26T08:49:51Z",
    "title_canon_sha256": "5b47c7556678006df9c7b8c7c3fb27ad51a7364b1721dd1c365edaadbd30f8ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.26708",
    "kind": "arxiv",
    "version": 1
  }
}