Pith Number

pith:KVLGEZ3U

pith:2009:KVLGEZ3UIOTH3SONQQFH5J4IF6

not attested not anchored not stored refs pending

Angular momentum of non-paraxial light beam: Dependence of orbital angular momentum on polarization

Chun-Fang Li

arxiv:0909.2306 v1 · 2009-09-12 · physics.optics · physics.class-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{KVLGEZ3UIOTH3SONQQFH5J4IF6}

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	2026-05-18T01:21:42.033274Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

555662677443a67dc9cd840a7ea7882fbc5f5ca712b1672987d478ab96365bb1

Aliases

arxiv: 0909.2306 · arxiv_version: 0909.2306v1 · doi: 10.48550/arxiv.0909.2306 · pith_short_12: KVLGEZ3UIOTH · pith_short_16: KVLGEZ3UIOTH3SON · pith_short_8: KVLGEZ3U

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/KVLGEZ3UIOTH3SONQQFH5J4IF6 \
  | 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: 555662677443a67dc9cd840a7ea7882fbc5f5ca712b1672987d478ab96365bb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "488964111a2651d72678cce79395daad4228883b2b610df17d8447b5acace9bc",
    "cross_cats_sorted": [
      "physics.class-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2009-09-12T05:41:03Z",
    "title_canon_sha256": "edf60758e16c6009c65eeb5992855526f5c7c19d2f1dac3d002a397235f8bbf8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.2306",
    "kind": "arxiv",
    "version": 1
  }
}