Pith Number

pith:VH3VCY43

pith:2014:VH3VCY43BSIV5S52JIMHC5YEBW

not attested not anchored not stored refs pending

Distinguishing orbital angular momenta and topological charge in optical vortex beams

Anderson M. Amaral, Cid B. de Ara\'ujo, Edilson L. Falc\~ao-Filho

arxiv:1402.3226 v1 · 2014-02-13 · 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{VH3VCY43BSIV5S52JIMHC5YEBW}

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	2026-05-18T02:59:07.158811Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9f751639b0c915ecbba4a187177040d9c1ecec36661289ae3961d296d1fa255

Aliases

arxiv: 1402.3226 · arxiv_version: 1402.3226v1 · doi: 10.48550/arxiv.1402.3226 · pith_short_12: VH3VCY43BSIV · pith_short_16: VH3VCY43BSIV5S52 · pith_short_8: VH3VCY43

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/VH3VCY43BSIV5S52JIMHC5YEBW \
  | 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: a9f751639b0c915ecbba4a187177040d9c1ecec36661289ae3961d296d1fa255

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a867b5a7fbedc08441f5b5dfa3134520c171f1e05920e40b337ddfd4b27ea6c6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2014-02-13T17:21:39Z",
    "title_canon_sha256": "c62dd024cce5e6ececd2f693e46cca7871cc523c5d8908a2d3a340060ba26d61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.3226",
    "kind": "arxiv",
    "version": 1
  }
}