Pith Number

pith:CFPEG7QX

pith:2016:CFPEG7QXKKU4UJQPLKPQQM2KHW

not attested not anchored not stored refs pending

Optical frequency comb spectroscopy at 3-5.4 {\mu}m with a doubly resonant optical parametric oscillator

Aleksandra Foltynowicz, Alexandra C. Johansson, Amir Khodabakhsh, Christian Mohr, Jie Jiang, Kevin F. Lee, Lucile Rutkowski, Martin E. Fermann, Venkata Ramaiah-Badarla

arxiv:1603.09680 v1 · 2016-03-31 · 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{CFPEG7QXKKU4UJQPLKPQQM2KHW}

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	2026-05-18T01:04:53.673962Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

115e437e1752a9ca260f5a9f08334a3d9e527dc6d050e2cd339e510164be0969

Aliases

arxiv: 1603.09680 · arxiv_version: 1603.09680v1 · doi: 10.48550/arxiv.1603.09680 · pith_short_12: CFPEG7QXKKU4 · pith_short_16: CFPEG7QXKKU4UJQP · pith_short_8: CFPEG7QX

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/CFPEG7QXKKU4UJQPLKPQQM2KHW \
  | 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: 115e437e1752a9ca260f5a9f08334a3d9e527dc6d050e2cd339e510164be0969

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "638f3990543ad0109b03afb1f62490463806e5c7fd03375f5e23fe57a469a309",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2016-03-31T17:04:20Z",
    "title_canon_sha256": "5268d67d0352a1d999800e081ee5c9b3cdd733cdfb1f6bb1e0ba6b3473857c89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.09680",
    "kind": "arxiv",
    "version": 1
  }
}