Pith Number

pith:NOOVLL2V

pith:2019:NOOVLL2VAX7MTHHJSTVPPHRKO6

not attested not anchored not stored refs pending

Direct generation of tunable orbital angular momentum beams in microring lasers with broadband exceptional points

Christian Wolff, Demetrios N. Christodoulides, Fan Wu, Jinhan Ren, Mercedeh Khajavikhan, Midya Parto, Mohammad P. Hokmabadi, N. Asger Mortensen, Ramy El-Ganainy, William E. Hayenga

arxiv:1903.10108 v1 · 2019-03-25 · 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{NOOVLL2VAX7MTHHJSTVPPHRKO6}

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	2026-07-04T23:59:06.543991Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b9d55af5505fec99ce994eaf79e2a7788c3701f93c2cd05d128c0d58e99dee6

Aliases

arxiv: 1903.10108 · arxiv_version: 1903.10108v1 · doi: 10.48550/arxiv.1903.10108 · pith_short_12: NOOVLL2VAX7M · pith_short_16: NOOVLL2VAX7MTHHJ · pith_short_8: NOOVLL2V

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/NOOVLL2VAX7MTHHJSTVPPHRKO6 \
  | 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: 6b9d55af5505fec99ce994eaf79e2a7788c3701f93c2cd05d128c0d58e99dee6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed041c10b9c8d3de409fdc4e92f673228a49a8e28793e6875aafb38c764f1cce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-03-25T02:48:40Z",
    "title_canon_sha256": "eb4c1428ac625e803ffab3152420eddaebf13da209a84b56bca8c8b3a600934b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.10108",
    "kind": "arxiv",
    "version": 1
  }
}