Pith Number

pith:OMBUAGSC

pith:2022:OMBUAGSCRFPMAUE6D7QUHWJANE

not attested not anchored not stored refs pending

Gradient-Based Optimization of Optical Vortex Beam Emitters

Alexander D. White, Daniel I. Shahar, Geun Ho Ahn, Jelena Vu\v{c}kovi\'c, Jinhie Skarda, Ki Youl Yang, Logan Su, Siddharth Ramachandran

arxiv:2202.09490 v1 · 2022-02-19 · 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{OMBUAGSCRFPMAUE6D7QUHWJANE}

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	2026-07-05T03:58:23.068660Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7303401a42895ec0509e1fe143d92069378223bfda856a9ca7e73c33edc7406e

Aliases

arxiv: 2202.09490 · arxiv_version: 2202.09490v1 · doi: 10.48550/arxiv.2202.09490 · pith_short_12: OMBUAGSCRFPM · pith_short_16: OMBUAGSCRFPMAUE6 · pith_short_8: OMBUAGSC

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/OMBUAGSCRFPMAUE6D7QUHWJANE \
  | 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: 7303401a42895ec0509e1fe143d92069378223bfda856a9ca7e73c33edc7406e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ad4cc5fbf2d8f435d06cbe05243651293636c516b1893c09f70c702525fe107",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2022-02-19T01:43:39Z",
    "title_canon_sha256": "e572313730f815bd17104623f8916e915a04b88c530334bf5e5e06edd27fc9ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.09490",
    "kind": "arxiv",
    "version": 1
  }
}