Pith Number

pith:WQ56SIOW

pith:2010:WQ56SIOW67WN2G2X5OYYT56UZ5

not attested not anchored not stored refs pending

Planar Metamaterials for Antireflection Coating

A. J. Taylor, A. K. Azad, F. Chen, H.-T. Chen, J. F. O'Hara, J. Zhou

arxiv:1002.2305 v1 · 2010-02-11 · 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{WQ56SIOW67WN2G2X5OYYT56UZ5}

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	2026-05-18T04:41:15.264596Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b43be921d6f7ecdd1b57ebb189f7d4cf7c03778f0310bca919825b665c743ab7

Aliases

arxiv: 1002.2305 · arxiv_version: 1002.2305v1 · doi: 10.48550/arxiv.1002.2305 · pith_short_12: WQ56SIOW67WN · pith_short_16: WQ56SIOW67WN2G2X · pith_short_8: WQ56SIOW

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/WQ56SIOW67WN2G2X5OYYT56UZ5 \
  | 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: b43be921d6f7ecdd1b57ebb189f7d4cf7c03778f0310bca919825b665c743ab7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d8f1c121a46a1cfa6be5f994cd7697a5401090d5b5067549675f0cab40f7668",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2010-02-11T09:01:23Z",
    "title_canon_sha256": "8cf6bb6c4f837e989e46afe5d3253586aff2ceee8f7d338de917f3cd7e5cdcb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.2305",
    "kind": "arxiv",
    "version": 1
  }
}