Pith Number

pith:HUGAYX4T

pith:2011:HUGAYX4TGHSXB62SWZFMEG4W6T

not attested not anchored not stored refs pending

Negative refraction in Al:ZnO/ZnO metamaterial in the near-infrared

Alexander V. Kildishev, Alexandra Boltasseva, Gururaj V. Naik, Jingjing Liu, Vladimir M. Shalaev

arxiv:1110.3231 v1 · 2011-10-14 · physics.optics · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HUGAYX4TGHSXB62SWZFMEG4W6T}

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	2026-05-18T03:54:16.676330Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d0c0c5f9331e570fb52b64ac21b96f4c31316ccf9c42a28d0127cb5985f6f3e

Aliases

arxiv: 1110.3231 · arxiv_version: 1110.3231v1 · doi: 10.48550/arxiv.1110.3231 · pith_short_12: HUGAYX4TGHSX · pith_short_16: HUGAYX4TGHSXB62S · pith_short_8: HUGAYX4T

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/HUGAYX4TGHSXB62SWZFMEG4W6T \
  | 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: 3d0c0c5f9331e570fb52b64ac21b96f4c31316ccf9c42a28d0127cb5985f6f3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e43890087859a92f110185d8e5718b6b79712a22fe949bc76796da95bc7b9e0",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2011-10-14T15:00:27Z",
    "title_canon_sha256": "c84366a70caab969045ebcc41d5308d81e764fe4e502cfddc0e1e4d2a382e725"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.3231",
    "kind": "arxiv",
    "version": 1
  }
}