Pith Number

pith:3EQJLINN

pith:2019:3EQJLINN53W5UCFHBQDOE7YWMK

not attested not anchored not stored refs pending

Single-frequency mid-infrared chip laser with a sub-hertz Lorentzian linewidth

2), (2) Laser Physics, Australia), Canada, David G. Lancaster (2) ((1) Centre d'optique, Future Industries Institute, J\'er\^ome Genest (1), Mawson Lakes, Nicolas Bourbeau H\'ebert (1), Philippe Guay (1, Photonics Devices Laboratory, photonique et laser, Qu\'ebec, Qu\'ebec G1V 0A6, SA 5095, School of Engineering, Universit\'e Laval, University of South Australia, Vincent Michaud-Belleau (1)

arxiv:1909.09544 v1 · 2019-09-20 · 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{3EQJLINN53W5UCFHBQDOE7YWMK}

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	2026-07-05T00:06:01.478869Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d92095a1adeeedda08a70c06e27f1662a510a5be7723d8c2fb2bd2c3e8545eaf

Aliases

arxiv: 1909.09544 · arxiv_version: 1909.09544v1 · doi: 10.48550/arxiv.1909.09544 · pith_short_12: 3EQJLINN53W5 · pith_short_16: 3EQJLINN53W5UCFH · pith_short_8: 3EQJLINN

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/3EQJLINN53W5UCFHBQDOE7YWMK \
  | 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: d92095a1adeeedda08a70c06e27f1662a510a5be7723d8c2fb2bd2c3e8545eaf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2b38f90309389a9359496871c4a34d057026f4a217d92268d760a4e48c9bf65",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-09-20T14:56:07Z",
    "title_canon_sha256": "31bce64404cd06b06b5ccd9ea3240833c144a26886a1b47d2c60f999f7ec5007"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.09544",
    "kind": "arxiv",
    "version": 1
  }
}