Pith Number

pith:HMNDZGPB

pith:2012:HMNDZGPBOAYNZVG3VVQRD5VUIA

not attested not anchored not stored refs pending

Time-division multiplexing of the orbital angular momentum of light

Corrado de Lisio, Ebrahim Karimi, Enrico Santamato, Lorenzo Marrucci

arxiv:1202.0559 v1 · 2012-02-02 · 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{HMNDZGPBOAYNZVG3VVQRD5VUIA}

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	2026-05-18T04:03:08.628003Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b1a3c99e17030dcd4dbad6111f6b4402d83bd93bf1e8b9924562cdc6c3091de

Aliases

arxiv: 1202.0559 · arxiv_version: 1202.0559v1 · doi: 10.48550/arxiv.1202.0559 · pith_short_12: HMNDZGPBOAYN · pith_short_16: HMNDZGPBOAYNZVG3 · pith_short_8: HMNDZGPB

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/HMNDZGPBOAYNZVG3VVQRD5VUIA \
  | 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: 3b1a3c99e17030dcd4dbad6111f6b4402d83bd93bf1e8b9924562cdc6c3091de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09a0ba532476bf2086a2c57830a264bd7d8ba2e2958ec05ceb5b5d8046893426",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2012-02-02T21:19:27Z",
    "title_canon_sha256": "522b7b50f58bf29e34cb6e9879f7b8d87a008bcae11ed88a3784a336c23d0321"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.0559",
    "kind": "arxiv",
    "version": 1
  }
}