Pith Number

pith:3EZ5SNQ7

pith:2018:3EZ5SNQ7Y55TEEPLKOHFQVFB65

not attested not anchored not stored refs pending

Mid-infrared frequency comb generation via cascaded quadratic nonlinearities in quasi-phase-matched waveguides

Abijith S. Kowligy, Alex Lind, Daniel D. Hickstein, David R. Carlson, Flavio C. Cruz, Gabriel Ycas, Henry Timmers, Nima Nader, Scott A. Diddams, Scott B. Papp

arxiv:1801.07850 v1 · 2018-01-24 · 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{3EZ5SNQ7Y55TEEPLKOHFQVFB65}

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	2026-05-18T00:16:26.882982Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d933d9361fc77b3211eb538e5854a1f76156325bcb1e817f586a9759d0f91ec0

Aliases

arxiv: 1801.07850 · arxiv_version: 1801.07850v1 · doi: 10.48550/arxiv.1801.07850 · pith_short_12: 3EZ5SNQ7Y55T · pith_short_16: 3EZ5SNQ7Y55TEEPL · pith_short_8: 3EZ5SNQ7

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/3EZ5SNQ7Y55TEEPLKOHFQVFB65 \
  | 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: d933d9361fc77b3211eb538e5854a1f76156325bcb1e817f586a9759d0f91ec0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0c9f496997b6a7deb43228297cbba756a1fb9b2db740876e8894c920a85591a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-01-24T03:35:26Z",
    "title_canon_sha256": "3c920b2aa086ee2d73c16b214fdbbd082782eaf0407e7fdf4cd72f6c0312453f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.07850",
    "kind": "arxiv",
    "version": 1
  }
}