Pith Number

pith:7HIVFS3E

pith:2019:7HIVFS3EPUZCHYIBDGC5YKMZOL

not attested not anchored not stored refs pending

Ultra-narrow linewidth hybrid integrated semiconductor laser

Albert van Rees, Chris G.H. Roeloffzen, Dimitri Geskus, Jesse Mak, Klaus-J. Boller, Marcel Hoekman, Peter J.M. van der Slot, Ruud Oldenbeuving, Youwen Fan

arxiv:1910.08141 v2 · 2019-10-17 · 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{7HIVFS3EPUZCHYIBDGC5YKMZOL}

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	2026-07-05T01:17:58.402454Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9d152cb647d3223e1011985dc299972da4546c498bdb6ec393a9f70b2cb943a

Aliases

arxiv: 1910.08141 · arxiv_version: 1910.08141v2 · doi: 10.48550/arxiv.1910.08141 · pith_short_12: 7HIVFS3EPUZC · pith_short_16: 7HIVFS3EPUZCHYIB · pith_short_8: 7HIVFS3E

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/7HIVFS3EPUZCHYIBDGC5YKMZOL \
  | 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: f9d152cb647d3223e1011985dc299972da4546c498bdb6ec393a9f70b2cb943a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6919fd40a9e6b3bd1520c84e55e1c05370d62ceb1d5efd93fa3f9dbb97672eb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-10-17T20:12:00Z",
    "title_canon_sha256": "aa6e6b856712165ef40216ab64907ed090164d88d03cf8af71703911a0118b5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.08141",
    "kind": "arxiv",
    "version": 2
  }
}