Pith Number

pith:N5OFSMJB

pith:2019:N5OFSMJBLTOTZYHYWHTCKZMAJK

not attested not anchored not stored refs pending

Infrared hyperbolic metasurface based on nanostructured van der Waals materials

Alexey Y. Nikitin, Felix Casanova, Francisco Javier Alfaro-Mozaz, Irene Dolado, James H. Edgar, Luis E. Hueso, Peining Li, Rainer Hillenbrand, Sa\"ul V\'elez, Song Liu

arxiv:1904.03945 v1 · 2019-04-08 · 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{N5OFSMJBLTOTZYHYWHTCKZMAJK}

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	2026-05-17T23:49:07.602812Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f5c5931215cdd3ce0f8b1e62565804a811280e6acfa5d9d186126c51ff1d8c2

Aliases

arxiv: 1904.03945 · arxiv_version: 1904.03945v1 · doi: 10.48550/arxiv.1904.03945 · pith_short_12: N5OFSMJBLTOT · pith_short_16: N5OFSMJBLTOTZYHY · pith_short_8: N5OFSMJB

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/N5OFSMJBLTOTZYHYWHTCKZMAJK \
  | 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: 6f5c5931215cdd3ce0f8b1e62565804a811280e6acfa5d9d186126c51ff1d8c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef537d4432525d9931470edaa2fbfdb6fc27536fccde966cb3fc3e30dd1908c5",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-04-08T10:58:36Z",
    "title_canon_sha256": "bdc03761a23db95a35fc6ec2e9b7c1e43790ae94da9796d73cdb5fa66f3f9200"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.03945",
    "kind": "arxiv",
    "version": 1
  }
}