Pith Number

pith:S5TTFPXB

pith:2019:S5TTFPXBJ3OKZ4YOHIKID2NOV7

not attested not anchored not stored refs pending

Ultra thin anti-reflective coatings designed using Differential Evolution

Amira Farahoui, Ang\'\'elique Bousquet, Antoine Moreau, Emmanuel Centeno, Fran\c{c}ois R\'everet, Olivier Teytaud, Rafik Smaali

arxiv:1904.02907 v1 · 2019-04-05 · 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{S5TTFPXBJ3OKZ4YOHIKID2NOV7}

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	2026-05-17T23:49:19.290496Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

976732bee14edcacf30e3a1481e9aeafe5a47ed27d4106b7c099377b76989605

Aliases

arxiv: 1904.02907 · arxiv_version: 1904.02907v1 · doi: 10.48550/arxiv.1904.02907 · pith_short_12: S5TTFPXBJ3OK · pith_short_16: S5TTFPXBJ3OKZ4YO · pith_short_8: S5TTFPXB

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/S5TTFPXBJ3OKZ4YOHIKID2NOV7 \
  | 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: 976732bee14edcacf30e3a1481e9aeafe5a47ed27d4106b7c099377b76989605

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4409221255341094c8a883c7b064e610ce551e2ef559b3417e91292eeed8ddef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-04-05T07:40:39Z",
    "title_canon_sha256": "1c5e51ad3c86e326faf90fe834441c92897271b0526619cbce11273e254881e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.02907",
    "kind": "arxiv",
    "version": 1
  }
}