Pith Number

pith:ZTZGO3E4

pith:2021:ZTZGO3E4DKHWJE7LQALPWJFEVJ

not attested not anchored not stored refs pending

Detection and demultiplexing of cylindrical vector beams enabled by rotational Doppler effect

Junliang Jia, Kaiyi Zhai, Pei Zhang, Xiaoru Zhang, Zehong Chang, Zhenyu Guo

arxiv:2109.09324 v2 · 2021-09-20 · 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{ZTZGO3E4DKHWJE7LQALPWJFEVJ}

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	2026-07-05T03:43:44.434810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccf2676c9c1a8f6493eb8016fb24a4aa62596ccca227e07399dd72a566b03f3a

Aliases

arxiv: 2109.09324 · arxiv_version: 2109.09324v2 · doi: 10.48550/arxiv.2109.09324 · pith_short_12: ZTZGO3E4DKHW · pith_short_16: ZTZGO3E4DKHWJE7L · pith_short_8: ZTZGO3E4

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/ZTZGO3E4DKHWJE7LQALPWJFEVJ \
  | 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: ccf2676c9c1a8f6493eb8016fb24a4aa62596ccca227e07399dd72a566b03f3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "033d8754008e0a19e8e1a08be32ed407447c3089b7aa4aedf08f9549e636d7db",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2021-09-20T06:56:09Z",
    "title_canon_sha256": "c61e25cb74c77514dda6e9b838990a356d5048998c6a4b4dacedcac2940e71b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.09324",
    "kind": "arxiv",
    "version": 2
  }
}