Pith Number

pith:UEEMXN2I

pith:2016:UEEMXN2IAIRBV2XNGKE5XJ64MX

not attested not anchored not stored refs pending

Geometric Metasurface Fork Gratings for Vortex Beam Generation and Manipulation

Guixin Li, Kok Wai Cheah, Shuang Zhang, Shumei Chen, Yuan Cai

arxiv:1605.00831 v1 · 2016-05-03 · 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{UEEMXN2IAIRBV2XNGKE5XJ64MX}

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	2026-05-18T01:15:47.927689Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a108cbb74802221aeaed3289dba7dc65e476a1f4f3433f0663cfb56358a2910b

Aliases

arxiv: 1605.00831 · arxiv_version: 1605.00831v1 · doi: 10.48550/arxiv.1605.00831 · pith_short_12: UEEMXN2IAIRB · pith_short_16: UEEMXN2IAIRBV2XN · pith_short_8: UEEMXN2I

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/UEEMXN2IAIRBV2XNGKE5XJ64MX \
  | 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: a108cbb74802221aeaed3289dba7dc65e476a1f4f3433f0663cfb56358a2910b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f743fa3ec85bcb580faedb757c46c1f1d48f956ec7510fc42bd3310d3d2ef06e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2016-05-03T10:53:17Z",
    "title_canon_sha256": "3884a439107b4f1f960acaa839d75794b5d95ec223dffe92758c8a6d7019820b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.00831",
    "kind": "arxiv",
    "version": 1
  }
}