Pith Number

pith:357DLXZJ

pith:2017:357DLXZJY6U7L7CCHSRLFLRCHV

not attested not anchored not stored refs pending

Self-starting harmonic frequency comb generation in a quantum cascade laser

Alexey Belyanin, Chung-En Zah, Dmitry Kazakov, Federico Capasso, Feng Xie, Kevin Lascola, Marco Piccardo, Paul Chevalier, Tobias S. Mansuripur, Yongrui Wang

arxiv:1709.02887 v1 · 2017-09-09 · 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{357DLXZJY6U7L7CCHSRLFLRCHV}

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	2026-07-05T01:22:27.449623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df7e35df29c7a9f5fc423ca2b2ae223d55b3248bfc51113e5c341d05641b8378

Aliases

arxiv: 1709.02887 · arxiv_version: 1709.02887v1 · doi: 10.48550/arxiv.1709.02887 · pith_short_12: 357DLXZJY6U7 · pith_short_16: 357DLXZJY6U7L7CC · pith_short_8: 357DLXZJ

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/357DLXZJY6U7L7CCHSRLFLRCHV \
  | 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: df7e35df29c7a9f5fc423ca2b2ae223d55b3248bfc51113e5c341d05641b8378

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61645d0fcbc31886559ca674854219288adcff2549edf205a93ec44f7cb0e53b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2017-09-09T01:01:09Z",
    "title_canon_sha256": "1fdebd74fbb929bbacea62a4ebd15a903d75d48e3e1d81ac2e3374258643e1de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.02887",
    "kind": "arxiv",
    "version": 1
  }
}