Pith Number

pith:KPZSU7U4

pith:2013:KPZSU7U4FLQJFRLE2ZAWB6TT3H

not attested not anchored not stored refs pending

Direct measurement of the orbital angular momentum mean and variance in an arbitrary paraxial optical field

Bruno Piccirillo, Enrico Santamato, Lorenzo Marrucci, Sergei Slussarenko

arxiv:1305.1496 v1 · 2013-05-07 · 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{KPZSU7U4FLQJFRLE2ZAWB6TT3H}

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	2026-05-18T03:26:21.604414Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53f32a7e9c2ae092c564d64160fa73d9fd54059e2205f1ce623d74788fcf9b55

Aliases

arxiv: 1305.1496 · arxiv_version: 1305.1496v1 · doi: 10.48550/arxiv.1305.1496 · pith_short_12: KPZSU7U4FLQJ · pith_short_16: KPZSU7U4FLQJFRLE · pith_short_8: KPZSU7U4

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/KPZSU7U4FLQJFRLE2ZAWB6TT3H \
  | 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: 53f32a7e9c2ae092c564d64160fa73d9fd54059e2205f1ce623d74788fcf9b55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e7532b8392339bc1830f7f933446fcefd1e2784ef0ca985f21fa8e4d6b63265",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2013-05-07T12:52:50Z",
    "title_canon_sha256": "c9de68dfd084ef26be51f0d73d44b998b3256d7bae4cb612f675205addb9007c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.1496",
    "kind": "arxiv",
    "version": 1
  }
}