Pith Number

pith:G5WGDDA4

pith:2019:G5WGDDA4BWGKJ3EE4MPBZTFING

not attested not anchored not stored refs pending

Milliwatt-threshold visible-telecom optical parametric oscillation using silicon nanophotonics

Anshuman Singh, Ashutosh Rao, Daron A. Westly, Gregory Moille, Kartik Srinivasan, Qing Li, Scott B. Papp, Su-Peng Yu, Tara Drake, Travis C. Briles, Xiyuan Lu

arxiv:1909.07248 v1 · 2019-09-16 · physics.optics · physics.app-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G5WGDDA4BWGKJ3EE4MPBZTFING}

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	2026-07-05T00:44:56.697686Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

376c618c1c0d8ca4ec84e31e1ccca869a2640c837b60adacd4df39071069388c

Aliases

arxiv: 1909.07248 · arxiv_version: 1909.07248v1 · doi: 10.48550/arxiv.1909.07248 · pith_short_12: G5WGDDA4BWGK · pith_short_16: G5WGDDA4BWGKJ3EE · pith_short_8: G5WGDDA4

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/G5WGDDA4BWGKJ3EE4MPBZTFING \
  | 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: 376c618c1c0d8ca4ec84e31e1ccca869a2640c837b60adacd4df39071069388c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe8f885bde9c4b0f3b395bb6c597e4e949361497589704134ccc29efcbdd6fb9",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-09-16T14:47:29Z",
    "title_canon_sha256": "debf347836a70dca7190e0998fbe424aefc78cde1ef3da279be4fe521f1a7234"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.07248",
    "kind": "arxiv",
    "version": 1
  }
}