Pith Number

pith:ZQOVNCDS

pith:2021:ZQOVNCDS5OTPO3OFVZAW7T6V7V

not attested not anchored not stored refs pending

Second harmonic generation in germanium quantum wells for nonlinear silicon photonics

Andrea Ballabio, Andrea Mancini, Chiara Ciano, Daniel Chrastina, Daniele Brida, Eva Olsson, Jacopo Frigerio, Joel Kuttruff, Jonas Allerbeck, Leonetta Baldassarre, Lunjie Zeng, Michele Ortolani, Michele Virgilio, Monica De Seta, Virginia Falcone

arxiv:2103.12620 v1 · 2021-03-23 · 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{ZQOVNCDS5OTPO3OFVZAW7T6V7V}

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	2026-07-05T02:25:48.530588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc1d568872eba6f76dc5ae416fcfd5fd6f68c71d9202306566ee7764db36aa4a

Aliases

arxiv: 2103.12620 · arxiv_version: 2103.12620v1 · doi: 10.48550/arxiv.2103.12620 · pith_short_12: ZQOVNCDS5OTP · pith_short_16: ZQOVNCDS5OTPO3OF · pith_short_8: ZQOVNCDS

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/ZQOVNCDS5OTPO3OFVZAW7T6V7V \
  | 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: cc1d568872eba6f76dc5ae416fcfd5fd6f68c71d9202306566ee7764db36aa4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84161265b1887a087ef8ae797056054a570e779811f4c772a74cc4f558dfc521",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2021-03-23T15:17:00Z",
    "title_canon_sha256": "74b20d5e04331042d9b377559b2207085bff50c1f12560619114b6b17715e045"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.12620",
    "kind": "arxiv",
    "version": 1
  }
}