Pith Number

pith:KL6NKOG2

pith:2022:KL6NKOG2JAO3M57A23L3TXFWAU

not attested not anchored not stored refs pending

Magnet-free nonreciprocal metasurface for on-demand bi-directional phase modulation

Chaoyang Li, En Li, Jiawei Long, Juejun Hu, Jun Qin, Lei Bi, Longjiang Deng, Qingyang Du, Weihao Yang, Wei Yan, Yucong Yang

arxiv:2204.03169 v1 · 2022-04-07 · 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{KL6NKOG2JAO3M57A23L3TXFWAU}

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	2026-07-05T05:45:27.490833Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52fcd538da481db677e0d6d7b9dcb6052cbf9f6ba3a378df62749a57bbc6c933

Aliases

arxiv: 2204.03169 · arxiv_version: 2204.03169v1 · doi: 10.48550/arxiv.2204.03169 · pith_short_12: KL6NKOG2JAO3 · pith_short_16: KL6NKOG2JAO3M57A · pith_short_8: KL6NKOG2

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/KL6NKOG2JAO3M57A23L3TXFWAU \
  | 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: 52fcd538da481db677e0d6d7b9dcb6052cbf9f6ba3a378df62749a57bbc6c933

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3e7bac5faed5a218b462938fa0566a4e50086acbe4ab76edb0d2511d9a24126",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2022-04-07T02:39:44Z",
    "title_canon_sha256": "c95a5321bbd6c0b5514a7c5cbc2e2a917f97a8650c87c3aa5ee2aba7d41bca8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.03169",
    "kind": "arxiv",
    "version": 1
  }
}