Pith Number

pith:SOWIWHN7

pith:2012:SOWIWHN7BFPVVW63ASIMX7JJKP

not attested not anchored not stored refs pending

Liquid crystal spatial-mode converters for the orbital angular momentum of light

Bruno Piccirillo, Enrico Santamato, Lorenzo Marrucci, Sergei Slussarenko, Vladimir Chigrinov

arxiv:1209.4534 v2 · 2012-09-20 · 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{SOWIWHN7BFPVVW63ASIMX7JJKP}

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	2026-05-18T03:34:16.051064Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93ac8b1dbf095f5adbdb0490cbfd2953dd9d1f03dbf0a6eeda42cf500ae6a162

Aliases

arxiv: 1209.4534 · arxiv_version: 1209.4534v2 · doi: 10.48550/arxiv.1209.4534 · pith_short_12: SOWIWHN7BFPV · pith_short_16: SOWIWHN7BFPVVW63 · pith_short_8: SOWIWHN7

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/SOWIWHN7BFPVVW63ASIMX7JJKP \
  | 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: 93ac8b1dbf095f5adbdb0490cbfd2953dd9d1f03dbf0a6eeda42cf500ae6a162

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88655e7e998b0064006790da129a2b35aa72b68e17bbcc77367004533b3b854a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2012-09-20T14:06:03Z",
    "title_canon_sha256": "a8ee8f752a56b54146b4560c1aada0f833f3edaf7f2df8c081b6240834a1b1c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.4534",
    "kind": "arxiv",
    "version": 2
  }
}