Pith Number

pith:RGULKTBG

pith:2019:RGULKTBG2VTIDNE5JJWVGPRGZO

not attested not anchored not stored refs pending

Efficient parametric frequency conversions in lithium niobate nanophotonic chips

Chao Tang, Jia-Yang Chen, Yong Meng Sua, Yu-ping Huang, Zhan Li, Zhao-hui Ma

arxiv:1903.08722 v1 · 2019-03-20 · quant-ph · 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{RGULKTBG2VTIDNE5JJWVGPRGZO}

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	2026-05-17T23:50:44.083078Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89a8b54c26d56681b49d4a6d533e26cb9724472238f984289483cb21240220a9

Aliases

arxiv: 1903.08722 · arxiv_version: 1903.08722v1 · doi: 10.48550/arxiv.1903.08722 · pith_short_12: RGULKTBG2VTI · pith_short_16: RGULKTBG2VTIDNE5 · pith_short_8: RGULKTBG

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/RGULKTBG2VTIDNE5JJWVGPRGZO \
  | 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: 89a8b54c26d56681b49d4a6d533e26cb9724472238f984289483cb21240220a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc41a6897f431fc11aa5b077d272239ea57a2aaf6a368d030c6b70ab2565aa6a",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-03-20T20:16:42Z",
    "title_canon_sha256": "beafcd5dbc62785af39b4ce4c73009d8b085f35ec712a59ee5528fbe8423959d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.08722",
    "kind": "arxiv",
    "version": 1
  }
}