Pith Number

pith:CIAOWFNV

pith:2008:CIAOWFNVOLSBUEJN3MOMJS2WT7

not attested not anchored not stored refs pending

Light propagation in a birefringent plates with topological charge

Bruno Piccirillo, Ebrahim Karimi, Enrico Santamato, Lorenzo Marrucci

arxiv:0809.4220 v2 · 2008-09-24 · 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{CIAOWFNVOLSBUEJN3MOMJS2WT7}

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	2026-05-18T02:15:33.724423Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1200eb15b572e41a112ddb1cc4cb569fe24ce9fa45663b03e425a4b5c73d91d5

Aliases

arxiv: 0809.4220 · arxiv_version: 0809.4220v2 · doi: 10.48550/arxiv.0809.4220 · pith_short_12: CIAOWFNVOLSB · pith_short_16: CIAOWFNVOLSBUEJN · pith_short_8: CIAOWFNV

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/CIAOWFNVOLSBUEJN3MOMJS2WT7 \
  | 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: 1200eb15b572e41a112ddb1cc4cb569fe24ce9fa45663b03e425a4b5c73d91d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "686cd8507351051ce9e96b1f24244cde488529ec13ff12a9ad5cb49a9d0529b8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2008-09-24T16:05:51Z",
    "title_canon_sha256": "36b7d5ec3a7ac89a3abd0cdb9352a123bc61be3dfd6f547ce7550e68e4228a31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.4220",
    "kind": "arxiv",
    "version": 2
  }
}