Pith Number

pith:NJSQIDJU

pith:2018:NJSQIDJU7UY6BWDUACRDM2XQ7X

not attested not anchored not stored refs pending

Wideband Antireflection Coating Using Metamaterials

Amin Khavasi, Fahimeh Sepehripour, Parisa Karimi

arxiv:1808.08848 v2 · 2018-08-27 · physics.optics · physics.app-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NJSQIDJU7UY6BWDUACRDM2XQ7X}

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	2026-05-17T23:54:53.899257Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a65040d34fd31e0d87400a2366af0fde95f376dc7aff1825ff0d08afa5011c8

Aliases

arxiv: 1808.08848 · arxiv_version: 1808.08848v2 · doi: 10.48550/arxiv.1808.08848 · pith_short_12: NJSQIDJU7UY6 · pith_short_16: NJSQIDJU7UY6BWDU · pith_short_8: NJSQIDJU

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/NJSQIDJU7UY6BWDUACRDM2XQ7X \
  | 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: 6a65040d34fd31e0d87400a2366af0fde95f376dc7aff1825ff0d08afa5011c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a18853129704501baace0e4efca81ee5c3d85d74c7d254ac0a0c5f82cc06b9b",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-08-27T13:56:46Z",
    "title_canon_sha256": "4967ad731d42819b2e16a7595a6da803dc692a9670377954cd256ef4bff02dd3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.08848",
    "kind": "arxiv",
    "version": 2
  }
}