Pith Number

pith:FKES4N4X

pith:2018:FKES4N4XFI5IYBAWHYD5MZJPFK

not attested not anchored not stored refs pending

Multi-refractive-index metamaterials based on subwavelength waveguide arrays

Bradley S. Gundlach, Chenghao Wan, Jad Salman, Mikhail A. Kats, Yuzhe Xiao, Zhaoning Yu, Zongfu Yu

arxiv:1807.11603 v1 · 2018-07-30 · 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{FKES4N4XFI5IYBAWHYD5MZJPFK}

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	2026-05-18T00:09:21.661398Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a892e37972a3a8c04163e07d6652f2aadd71bc390ba93db81c6c7f5f587693e

Aliases

arxiv: 1807.11603 · arxiv_version: 1807.11603v1 · doi: 10.48550/arxiv.1807.11603 · pith_short_12: FKES4N4XFI5I · pith_short_16: FKES4N4XFI5IYBAW · pith_short_8: FKES4N4X

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/FKES4N4XFI5IYBAWHYD5MZJPFK \
  | 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: 2a892e37972a3a8c04163e07d6652f2aadd71bc390ba93db81c6c7f5f587693e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79208398de6a10f9d13910afe071f5cbc84ba19d1c7391fd20b5e44c4710be16",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-07-30T22:53:43Z",
    "title_canon_sha256": "9ec1ec3069bbf98487614446d8f0a4e97d37129b039106c4610dcc0b2735bfa5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.11603",
    "kind": "arxiv",
    "version": 1
  }
}