Pith Number

pith:QWNHY2NH

pith:2020:QWNHY2NHXXEZUFX7LCFKJWGTHZ

not attested not anchored not stored refs pending

A silicon integrated microwave photonic beamformer

Chen Zhu, Gangqiang Zhou, Jianping Chen, Liangjun Lu, Linjie Zhou, Weihan Xu, Wensheng Shan

arxiv:2008.00453 v1 · 2020-08-02 · 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{QWNHY2NHXXEZUFX7LCFKJWGTHZ}

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	2026-07-05T01:24:07.958194Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

859a7c69a7bdc99a16ff588aa4d8d33e641224afff33cc0fc3ad28433366a607

Aliases

arxiv: 2008.00453 · arxiv_version: 2008.00453v1 · doi: 10.48550/arxiv.2008.00453 · pith_short_12: QWNHY2NHXXEZ · pith_short_16: QWNHY2NHXXEZUFX7 · pith_short_8: QWNHY2NH

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/QWNHY2NHXXEZUFX7LCFKJWGTHZ \
  | 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: 859a7c69a7bdc99a16ff588aa4d8d33e641224afff33cc0fc3ad28433366a607

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3e6c282e9ca21a2a0c3153fe5be348b027fff2a828234674474b44d9f2ddce8",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2020-08-02T10:51:58Z",
    "title_canon_sha256": "3c856b8c237accac5c3399861980963c79ce393ec297b7e326af301a06796657"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.00453",
    "kind": "arxiv",
    "version": 1
  }
}