Pith Number

pith:3ERTUOEA

pith:2017:3ERTUOEA3J4L7N2I42OQYPAWWR

not attested not anchored not stored refs pending

Flat polarization-controlled cylindrical lens based on the Pancharatnam-Berry geometric phase

Bruno Piccirillo, Enrico Santamato, Lorenzo Marrucci, Michela Florinda Picardi

arxiv:1703.01118 v1 · 2017-03-03 · 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{3ERTUOEA3J4L7N2I42OQYPAWWR}

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	2026-05-18T00:49:35.963054Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9233a3880da78bfb748e69d0c3c16b443b86aa8b7adfe9b42b2cf6983fd82ed

Aliases

arxiv: 1703.01118 · arxiv_version: 1703.01118v1 · doi: 10.48550/arxiv.1703.01118 · pith_short_12: 3ERTUOEA3J4L · pith_short_16: 3ERTUOEA3J4L7N2I · pith_short_8: 3ERTUOEA

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/3ERTUOEA3J4L7N2I42OQYPAWWR \
  | 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: d9233a3880da78bfb748e69d0c3c16b443b86aa8b7adfe9b42b2cf6983fd82ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ca9ce45b7e4c03820e041d8e22594a5a587aff4521d1d15b3582aa749fc3ca8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2017-03-03T11:47:27Z",
    "title_canon_sha256": "56d742e9b7e0e9c838e6ce04a8fd5e1597433731a1d30d0e836097e391341095"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.01118",
    "kind": "arxiv",
    "version": 1
  }
}