Pith Number

pith:PIFW2CO6

pith:2019:PIFW2CO6P2LZHCXBDCNEEH2O4J

not attested not anchored not stored refs pending

Design of spontaneous parametric down-conversion in integrated hybrid SixNy-PPLN waveguides

Chee Wei Wong, Fabian Laudenbach, Han Ye, Kai-Chi Chang, Murat Can Sarihan, Xiang Cheng, Yoo Seung Lee, Zhongyuan Yu

arxiv:1910.14225 v1 · 2019-10-31 · 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{PIFW2CO6P2LZHCXBDCNEEH2O4J}

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	2026-07-05T00:16:08.758011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a0b6d09de7e97938ae1189a421f4ee27cc5a194f43393cb718bba733195c15b

Aliases

arxiv: 1910.14225 · arxiv_version: 1910.14225v1 · doi: 10.48550/arxiv.1910.14225 · pith_short_12: PIFW2CO6P2LZ · pith_short_16: PIFW2CO6P2LZHCXB · pith_short_8: PIFW2CO6

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/PIFW2CO6P2LZHCXBDCNEEH2O4J \
  | 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: 7a0b6d09de7e97938ae1189a421f4ee27cc5a194f43393cb718bba733195c15b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76f12dd1ad7c6ce6ed8bd9ecef87f085eeb8a69e45057fc5fc25d9d995919d9f",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-10-31T02:51:56Z",
    "title_canon_sha256": "60621efaa58abcebc8787aadcbd29e53357dc8931c84504928a244d63843dfd0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.14225",
    "kind": "arxiv",
    "version": 1
  }
}