Pith Number

pith:AKFKUEOS

pith:2022:AKFKUEOSOBPXT2LCUGXIPMNULH

not attested not anchored not stored refs pending

Semiconductor ring laser frequency combs with active directional couplers

Benedikt Schwarz, Dmitry Kazakov, Federico Capasso, Marco Piccardo, Maximilian Beiser, Nikola Opa\v{c}ak, Theodore P. Letsou, Yiyang Zhi

arxiv:2206.03379 v2 · 2022-06-07 · physics.optics · nlin.PS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AKFKUEOSOBPXT2LCUGXIPMNULH}

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	2026-07-05T04:30:09.984736Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

028aaa11d2705f79e962a1ae87b1b459dd752d365423975b176e6d691ff7c1e1

Aliases

arxiv: 2206.03379 · arxiv_version: 2206.03379v2 · doi: 10.48550/arxiv.2206.03379 · pith_short_12: AKFKUEOSOBPX · pith_short_16: AKFKUEOSOBPXT2LC · pith_short_8: AKFKUEOS

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/AKFKUEOSOBPXT2LCUGXIPMNULH \
  | 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: 028aaa11d2705f79e962a1ae87b1b459dd752d365423975b176e6d691ff7c1e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32c5067cbd8ca2cf93346b24f92fab4bf2e2c19ca336ccfe06f6729d193c2b6f",
    "cross_cats_sorted": [
      "nlin.PS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2022-06-07T15:13:44Z",
    "title_canon_sha256": "242a562391a145f8b9ff3a6c65ef07b1862ac937a6fda771b4606fdb19955124"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.03379",
    "kind": "arxiv",
    "version": 2
  }
}