Pith Number

pith:7BYIAG4Z

pith:2018:7BYIAG4ZPDODJFUMGCLEAABC4H

not attested not anchored not stored refs pending

Photonic waveguide mode to free-space Gaussian beam extreme mode converter

Alexander Yulaev, Brian J. Roxworthy, Daron A. Westly, Kartik Srinivasan, Qing Li, Sangsik Kim, Vladimir A. Aksyuk

arxiv:1803.08124 v1 · 2018-03-06 · 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{7BYIAG4ZPDODJFUMGCLEAABC4H}

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	2026-07-05T09:32:37.607123Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f870801b9978dc34968c3096400022e1c198972470dc043e1d8885666d77d0f4

Aliases

arxiv: 1803.08124 · arxiv_version: 1803.08124v1 · doi: 10.48550/arxiv.1803.08124 · pith_short_12: 7BYIAG4ZPDOD · pith_short_16: 7BYIAG4ZPDODJFUM · pith_short_8: 7BYIAG4Z

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/7BYIAG4ZPDODJFUMGCLEAABC4H \
  | 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: f870801b9978dc34968c3096400022e1c198972470dc043e1d8885666d77d0f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40cc8bc8a68c60ff17ce62710cf8fe15412dd42f2b6f59603a14ac52d0d4af20",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2018-03-06T22:15:44Z",
    "title_canon_sha256": "397429935126d60c6f443d2d341a2e973a1c0c05c96a88914af1e7cc8915517b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.08124",
    "kind": "arxiv",
    "version": 1
  }
}