Pith Number

pith:VK44BNIR

pith:2020:VK44BNIR2WY2BDRIW42SPVGZOY

not attested not anchored not stored refs pending

Large-area, high-NA Multi-level Diffractive Lens via inverse design

Beradi Sensale-Rodriguez, Christian Pies, Monjurul Meem, Rajesh Menon, Sourangsu Banerji, Timo Oberbiermann

arxiv:2001.06523 v1 · 2020-01-17 · physics.optics · eess.IV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VK44BNIR2WY2BDRIW42SPVGZOY}

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	2026-07-05T00:34:21.917167Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aab9c0b511d5b1a08e28b73527d4d976155148c9ceb94932ed5899a1781d3246

Aliases

arxiv: 2001.06523 · arxiv_version: 2001.06523v1 · doi: 10.48550/arxiv.2001.06523 · pith_short_12: VK44BNIR2WY2 · pith_short_16: VK44BNIR2WY2BDRI · pith_short_8: VK44BNIR

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/VK44BNIR2WY2BDRIW42SPVGZOY \
  | 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: aab9c0b511d5b1a08e28b73527d4d976155148c9ceb94932ed5899a1781d3246

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "244784ba0292581d42f8ff9f278d48afef57e8ea94854636857a171b9318d9e1",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2020-01-17T20:29:26Z",
    "title_canon_sha256": "f5fadcaa06dcaceb9cd41dd58f542a9346379f42daea429db474a3330a2aa049"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.06523",
    "kind": "arxiv",
    "version": 1
  }
}