Pith Number

pith:2PITKWMP

pith:2020:2PITKWMPVUQA72BGTUDGEIKHP2

not attested not anchored not stored refs pending

Cryogenic second harmonic generation in periodically-poled lithium niobate waveguides

Christine Silberhorn, Christof Eigner, Frederik Thiele, Harald Herrmann, Jan Philipp Hoepker, Matteo Santandrea, Moritz Bartnick, Raimund Ricken, Tim J. Bartley, Viktor Quiring

arxiv:2005.07500 v1 · 2020-05-15 · physics.optics · quant-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{2PITKWMPVUQA72BGTUDGEIKHP2}

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	2026-07-05T02:15:24.591815Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3d135598fad200fe8269d066221477e8cfccf29b5e8440192bf96dec4e7e828

Aliases

arxiv: 2005.07500 · arxiv_version: 2005.07500v1 · doi: 10.48550/arxiv.2005.07500 · pith_short_12: 2PITKWMPVUQA · pith_short_16: 2PITKWMPVUQA72BG · pith_short_8: 2PITKWMP

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/2PITKWMPVUQA72BGTUDGEIKHP2 \
  | 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: d3d135598fad200fe8269d066221477e8cfccf29b5e8440192bf96dec4e7e828

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3344b01f525ef903c3c22b57b8b7a28a8dabfcf1a6010a98b0103b2e5d7f6c56",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2020-05-15T12:36:25Z",
    "title_canon_sha256": "907b88716359093b6f2c866987856fd18baf6eb82b46052c126a82367506d785"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.07500",
    "kind": "arxiv",
    "version": 1
  }
}