Pith Number

pith:UBP5RIIP

pith:2025:UBP5RIIPJ4FYXRPP4HZFANI4DZ

not attested not anchored not stored refs pending

Optical computation of the divergence of a vector field using a metal-dielectric multilayer

Artem I. Kashapov, Dmitry A. Bykov, Evgeni A. Bezus, Leonid L. Doskolovich

arxiv:2505.21023 v1 · 2025-05-27 · 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{UBP5RIIPJ4FYXRPP4HZFANI4DZ}

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	2026-07-05T11:10:22.569077Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a05fd8a10f4f0b8bc5efe1f250351c1e79ca6c17757dcc75d35cb2367548e850

Aliases

arxiv: 2505.21023 · arxiv_version: 2505.21023v1 · doi: 10.48550/arxiv.2505.21023 · pith_short_12: UBP5RIIPJ4FY · pith_short_16: UBP5RIIPJ4FYXRPP · pith_short_8: UBP5RIIP

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/UBP5RIIPJ4FYXRPP4HZFANI4DZ \
  | 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: a05fd8a10f4f0b8bc5efe1f250351c1e79ca6c17757dcc75d35cb2367548e850

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0ae3760e2e81e54f0ac26d4c7dca881869b7da257b1a44eb34e3307e3ba57f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2025-05-27T10:58:34Z",
    "title_canon_sha256": "61b828b7284f5ac53cde28f736ad50cbf6f0b7dd0a437bc60962b72c947e9258"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.21023",
    "kind": "arxiv",
    "version": 1
  }
}