Pith Number

pith:U56VHDAW

pith:2010:U56VHDAWBTZCKY6UIGSX3QC3YI

not attested not anchored not stored refs pending

Diffraction of light by a planar aperture in a metallic screen

A. Drezet, J.C. Woehl, S. Huant

arxiv:1002.0801 v2 · 2010-02-03 · 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{U56VHDAWBTZCKY6UIGSX3QC3YI}

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	2026-05-18T02:09:20.131034Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a77d538c160cf22563d441a57dc05bc20f9fdfd703fca9431472f0b75747d104

Aliases

arxiv: 1002.0801 · arxiv_version: 1002.0801v2 · doi: 10.48550/arxiv.1002.0801 · pith_short_12: U56VHDAWBTZC · pith_short_16: U56VHDAWBTZCKY6U · pith_short_8: U56VHDAW

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/U56VHDAWBTZCKY6UIGSX3QC3YI \
  | 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: a77d538c160cf22563d441a57dc05bc20f9fdfd703fca9431472f0b75747d104

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99e2a27ef93b9dfd6afcd2c6e15e098c37ea13e38f4e791e04466df872b48fd9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2010-02-03T17:22:31Z",
    "title_canon_sha256": "7feed5991317c426235d7d216fc2c517e23c8a743a18932e227835c57474380b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.0801",
    "kind": "arxiv",
    "version": 2
  }
}