Pith Number

pith:F2RRTMKQ

pith:2019:F2RRTMKQKUSREMFURUJ7GYHNJS

not attested not anchored not stored refs pending

Inverse-designed photonic circuits for fully passive, bias-free Kerr-based nonreciprocal transmission and routing

Andrea Al\`u, Avik Dutt, Dries Vercruysse, Geun Ho Ahn, Jelena Vu\v{c}kovi\'c, Jinhie Skarda, Ki Youl Yang, Michele Cotrufo, Shanhui Fan

arxiv:1905.04818 v1 · 2019-05-13 · 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{F2RRTMKQKUSREMFURUJ7GYHNJS}

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	2026-07-05T01:21:58.663001Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ea319b15055251230b48d13f360ed4caeb15b2576bb96b2467c2965aab40a93

Aliases

arxiv: 1905.04818 · arxiv_version: 1905.04818v1 · doi: 10.48550/arxiv.1905.04818 · pith_short_12: F2RRTMKQKUSR · pith_short_16: F2RRTMKQKUSREMFU · pith_short_8: F2RRTMKQ

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/F2RRTMKQKUSREMFURUJ7GYHNJS \
  | 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: 2ea319b15055251230b48d13f360ed4caeb15b2576bb96b2467c2965aab40a93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23bd74c1cfa9c6fcc727c2a148c6ecdc8d33830a11dfc1a88a96c83714641a73",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-05-13T01:10:56Z",
    "title_canon_sha256": "27481da1351b040594a387cb29e63c525fdee6db3a6717102a9512b40cdc23b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.04818",
    "kind": "arxiv",
    "version": 1
  }
}