Pith Number

pith:YQXE6RDV

pith:2021:YQXE6RDVHH5QJRAQP4MONDHGAT

not attested not anchored not stored refs pending

Light beam carrying natural non-integer orbital angular momentum in free space

Guanxue Wang, Junle Qu, Qiufang Zhan, Songlin Zhuang, Xiangmei Dong, Xiaoyu Weng, Xiumin Gao, Yu Miao

arxiv:2105.11251 v1 · 2021-05-24 · 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{YQXE6RDVHH5QJRAQP4MONDHGAT}

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	2026-07-05T02:42:36.895672Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c42e4f447539fb04c4107f18e68ce604ed5ff47ee6e5d94a5cbe0a10c3f26307

Aliases

arxiv: 2105.11251 · arxiv_version: 2105.11251v1 · doi: 10.48550/arxiv.2105.11251 · pith_short_12: YQXE6RDVHH5Q · pith_short_16: YQXE6RDVHH5QJRAQ · pith_short_8: YQXE6RDV

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/YQXE6RDVHH5QJRAQP4MONDHGAT \
  | 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: c42e4f447539fb04c4107f18e68ce604ed5ff47ee6e5d94a5cbe0a10c3f26307

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4531906fed5e67094e2c65d94b4341c3e919f83b6a40913fdead8e3eb46411d4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2021-05-24T13:05:49Z",
    "title_canon_sha256": "dd6f7ee521f1ad23e3bbe0de5c1bd0df28c9a9884eee9f8123e1851b20572552"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.11251",
    "kind": "arxiv",
    "version": 1
  }
}