Pith Number

pith:37XDHG6R

pith:2019:37XDHG6RMYUJPRZBJWJRLDQF5O

not attested not anchored not stored refs pending

Compact optical phased array using a serial grating antenna design

Guoxi Wang, Lingxuan Zhang, Ningning Feng, Wei Zhao, Wenfu Zhang, Xiaochen Sun

arxiv:1903.04573 v1 · 2019-02-16 · physics.app-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{37XDHG6RMYUJPRZBJWJRLDQF5O}

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	2026-05-17T23:51:29.253540Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfee339bd1662897c7214d93158e05eb97736f66508b505cd6cbeb735daac1c7

Aliases

arxiv: 1903.04573 · arxiv_version: 1903.04573v1 · doi: 10.48550/arxiv.1903.04573 · pith_short_12: 37XDHG6RMYUJ · pith_short_16: 37XDHG6RMYUJPRZB · pith_short_8: 37XDHG6R

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/37XDHG6RMYUJPRZBJWJRLDQF5O \
  | 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: dfee339bd1662897c7214d93158e05eb97736f66508b505cd6cbeb735daac1c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75265a20cfa1a2448b389c6b8979f6356c341acee1172cd2f2ff5555e37a2de4",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2019-02-16T12:17:26Z",
    "title_canon_sha256": "9d8e99c373634f2fa17eebbac1d9ab131606eaadc40f610c55b70522d8feb18d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.04573",
    "kind": "arxiv",
    "version": 1
  }
}