Pith Number

pith:ZYTHV7DX

pith:2018:ZYTHV7DXB22MZZ2KOW2MTK4BP6

not attested not anchored not stored refs pending

Varifocal zoom imaging with large area focal length adjustable metalenses

Alan Zhan, Arka Majumdar, Shane Colburn

arxiv:1805.07832 v1 · 2018-05-20 · 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{ZYTHV7DXB22MZZ2KOW2MTK4BP6}

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	2026-05-18T00:02:54.861016Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce267afc770eb4cce74a75b4c9ab817fbff434e3963d1e1cdabbfbfe3492fa84

Aliases

arxiv: 1805.07832 · arxiv_version: 1805.07832v1 · doi: 10.48550/arxiv.1805.07832 · pith_short_12: ZYTHV7DXB22M · pith_short_16: ZYTHV7DXB22MZZ2K · pith_short_8: ZYTHV7DX

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/ZYTHV7DXB22MZZ2KOW2MTK4BP6 \
  | 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: ce267afc770eb4cce74a75b4c9ab817fbff434e3963d1e1cdabbfbfe3492fa84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8fcaf466ac30d55551ec9f32606b1038c6be05605565e9f66c126618a9484e12",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-05-20T22:46:28Z",
    "title_canon_sha256": "cf2fe65e8ebf803d694069217af52ecdbd03c0b049fc12b75167b5a54fc67ceb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.07832",
    "kind": "arxiv",
    "version": 1
  }
}