Pith Number

pith:L2W55QQP

pith:2017:L2W55QQPSG73SAR6LBODWRFBVQ

not attested not anchored not stored refs pending

Measuring the complex orbital angular momentum spectrum and spatial mode decomposition of structured light beams

Alessio D'Errico, Bruno Piccirillo, Filippo Cardano, Lorenzo Marrucci, Raffaele D'Amelio

arxiv:1706.04788 v1 · 2017-06-15 · physics.optics · physics.app-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{L2W55QQPSG73SAR6LBODWRFBVQ}

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	2026-05-18T00:31:55.802926Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5eaddec20f91bfb9023e585c3b44a1ac342debc69e22e6b13154d191d79ee967

Aliases

arxiv: 1706.04788 · arxiv_version: 1706.04788v1 · doi: 10.48550/arxiv.1706.04788 · pith_short_12: L2W55QQPSG73 · pith_short_16: L2W55QQPSG73SAR6 · pith_short_8: L2W55QQP

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/L2W55QQPSG73SAR6LBODWRFBVQ \
  | 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: 5eaddec20f91bfb9023e585c3b44a1ac342debc69e22e6b13154d191d79ee967

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1074b5c012c7ab2aa2ca49e445dd3d901515db904ad6042e63f02dcaec3e7f47",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2017-06-15T09:20:05Z",
    "title_canon_sha256": "442a465aac661c1d01e98973a249830f439bfef35cc6105dc59ff9c82c60ce1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.04788",
    "kind": "arxiv",
    "version": 1
  }
}