Pith Number

pith:4D3AWBHN

pith:2023:4D3AWBHNHJEMNETTGNVCQBGUGF

not attested not anchored not stored refs pending

Flexible but Refractory Single-Crystalline Hyperbolic Metamaterials

Guanhua Su, Hongtao Cao, Jiachang Bi, Jie Sun, Junhua Gao, Lin Gu, Qinghua Zhang, Ruyi Zhang, Shaoqin Peng, Shunda Zhang, Ting Lin, Yanwei Cao

arxiv:2304.13387 v1 · 2023-04-26 · 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{4D3AWBHNHJEMNETTGNVCQBGUGF}

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	2026-07-05T06:12:48.031220Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0f60b04ed3a48c69273336a2804d4315a5890f0143c900fe88e8fda881269b3

Aliases

arxiv: 2304.13387 · arxiv_version: 2304.13387v1 · doi: 10.48550/arxiv.2304.13387 · pith_short_12: 4D3AWBHNHJEM · pith_short_16: 4D3AWBHNHJEMNETT · pith_short_8: 4D3AWBHN

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/4D3AWBHNHJEMNETTGNVCQBGUGF \
  | 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: e0f60b04ed3a48c69273336a2804d4315a5890f0143c900fe88e8fda881269b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d05d0c99b8eda44507da49792cbe9ffa40aa3b642584e23e16a577274f5adff7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2023-04-26T08:56:46Z",
    "title_canon_sha256": "93d1b8015d8aca8016860fda7b306004ac4ec993b90d6e19c6dc3874c9d1a6f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.13387",
    "kind": "arxiv",
    "version": 1
  }
}