Pith Number

pith:7LYOIXZW

pith:2010:7LYOIXZWJSJOD5D7PQL4PU7RRL

not attested not anchored not stored refs pending

Photon Orbital Angular Momentum and Mass in a Plasma Vortex

A. Sponselli, B. Thid\'e, F. Tamburini, J. T. Mendon\c{c}a

arxiv:1001.4042 v2 · 2010-01-22 · physics.plasm-ph · astro-ph.IM · physics.class-ph · physics.optics · physics.space-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{7LYOIXZWJSJOD5D7PQL4PU7RRL}

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	2026-05-18T02:33:49.341109Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

faf0e45f364c92e1f47f7c17c7d3f18ace1a22e406334d73e3b69792626cb17f

Aliases

arxiv: 1001.4042 · arxiv_version: 1001.4042v2 · doi: 10.48550/arxiv.1001.4042 · pith_short_12: 7LYOIXZWJSJO · pith_short_16: 7LYOIXZWJSJOD5D7 · pith_short_8: 7LYOIXZW

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/7LYOIXZWJSJOD5D7PQL4PU7RRL \
  | 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: faf0e45f364c92e1f47f7c17c7d3f18ace1a22e406334d73e3b69792626cb17f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b80e687f8b61678bac975127f8bc87f469ae8763ac4a46f1a83c581e1550179",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "physics.class-ph",
      "physics.optics",
      "physics.space-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.plasm-ph",
    "submitted_at": "2010-01-22T16:58:50Z",
    "title_canon_sha256": "b55db8cca66f877622706caf160d9a5c8114b882cc3516c3b70a72412c0c8d8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.4042",
    "kind": "arxiv",
    "version": 2
  }
}