Pith Number

pith:IN3GZCQF

pith:2009:IN3GZCQFR4WMYUOXGUBWQ24Z7Q

not attested not anchored not stored refs pending

Difference-frequency generation with quantum-limited efficiency in triply-resonant nonlinear cavities

Alejandro W. Rodriguez, Ian B. Burgess, Jorge Bravo-Abad, Marko Loncar, Murray W. McCutcheon, Steven G. Johnson, Yinan Zhang

arxiv:0903.3928 v1 · 2009-03-23 · 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{IN3GZCQFR4WMYUOXGUBWQ24Z7Q}

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	2026-05-18T02:14:26.467099Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43766c8a058f2ccc51d73503686b99fc257489ce99961471f151fb24475344c7

Aliases

arxiv: 0903.3928 · arxiv_version: 0903.3928v1 · doi: 10.48550/arxiv.0903.3928 · pith_short_12: IN3GZCQFR4WM · pith_short_16: IN3GZCQFR4WMYUOX · pith_short_8: IN3GZCQF

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/IN3GZCQFR4WMYUOXGUBWQ24Z7Q \
  | 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: 43766c8a058f2ccc51d73503686b99fc257489ce99961471f151fb24475344c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f55a779333e8a00830cdbba618b1881442dfb874b1510aef609a0c9c13868636",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2009-03-23T17:47:42Z",
    "title_canon_sha256": "73ae028982f07ee2cf9855b721aceb1e8ea07d5ecaf22e884341a1db0353dcc2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.3928",
    "kind": "arxiv",
    "version": 1
  }
}