Pith Number

pith:LD7PASB4

pith:2021:LD7PASB4UADADZ6WKCD5H3KJXQ

not attested not anchored not stored refs pending

Plane Spiral OAM Mode-Group Based MIMO Communications: An Experimental Study

Bingchen Pan, Cheng Ren, Hongzhe Shi, Shilie Zheng, Wei E.I. Sha, Xianbin Yu, Xianmin Zhang, Xiaofeng Jin, Xiaowen Xiong, Yuqi Chen, Zelin Zhu

arxiv:2103.06677 v1 · 2021-03-11 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LD7PASB4UADADZ6WKCD5H3KJXQ}

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	2026-07-05T02:22:18.320492Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58fef0483ca00601e7d65087d3ed49bc1cd8f35bf3f6a5d2cee625968191db8a

Aliases

arxiv: 2103.06677 · arxiv_version: 2103.06677v1 · doi: 10.48550/arxiv.2103.06677 · pith_short_12: LD7PASB4UADA · pith_short_16: LD7PASB4UADADZ6W · pith_short_8: LD7PASB4

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/LD7PASB4UADADZ6WKCD5H3KJXQ \
  | 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: 58fef0483ca00601e7d65087d3ed49bc1cd8f35bf3f6a5d2cee625968191db8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "069c425333b13f77cb88a7c42417787487695aa60dadb1a564c686f674b5448e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2021-03-11T14:11:15Z",
    "title_canon_sha256": "0a54b04cdb436f876643588b9d85480adb04ded695480e93b9113b904fcf9676"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.06677",
    "kind": "arxiv",
    "version": 1
  }
}