Pith Number

pith:4XNML7VN

pith:2020:4XNML7VNAN3BG7K6D4H3VC4IBL

not attested not anchored not stored refs pending

A hybrid-integrated diode laser in the visible spectral range

Albert van Rees, Carsten Fallnich, Cornelis A. A. Franken, Dimitri Geskus, Douwe H. Geuzebroek, Klaus-J. Boller, Lisa V. Winkler, Peter J. M. van der Slot, Ronald Dekker, Youwen Fan

arxiv:2012.04563 v2 · 2020-12-08 · physics.optics · physics.app-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{4XNML7VNAN3BG7K6D4H3VC4IBL}

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	2026-07-05T03:17:29.671453Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5dac5fead0376137d5e1f0fba8b880afc7e7af3f3466a9e0b7f593facaf78e8

Aliases

arxiv: 2012.04563 · arxiv_version: 2012.04563v2 · doi: 10.48550/arxiv.2012.04563 · pith_short_12: 4XNML7VNAN3B · pith_short_16: 4XNML7VNAN3BG7K6 · pith_short_8: 4XNML7VN

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/4XNML7VNAN3BG7K6D4H3VC4IBL \
  | 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: e5dac5fead0376137d5e1f0fba8b880afc7e7af3f3466a9e0b7f593facaf78e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31e38f8e626aa3212755864d8089eaf7285c765a83ca3a9646e8433ed2df43c9",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2020-12-08T17:01:40Z",
    "title_canon_sha256": "fdfb2ba58b5e31d09558b7ec60f2674b3e3cc1538be9ffa4c8a35fc86899cad2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.04563",
    "kind": "arxiv",
    "version": 2
  }
}