Pith Number

pith:HPYE32VP

pith:2022:HPYE32VPWVE5ABZ3BO5DWH5WCV

not attested not anchored not stored refs pending

Hermite-Gaussian-mode coherently composed states and deep learning based free-space optical communication link

Changming Zhao, Suyi Zhao, Wei He, Xiaotian Li, Xin Wang, Yuan Gao, Yuchen Jie, Yuqi Wang, Zilong Zhang

arxiv:2209.06903 v1 · 2022-08-11 · physics.optics · 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{HPYE32VPWVE5ABZ3BO5DWH5WCV}

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	2026-07-05T04:57:49.641258Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bf04deaafb549d0073b0bba3b1fb6157c683a2c3973e9e717123d36cc320aaa

Aliases

arxiv: 2209.06903 · arxiv_version: 2209.06903v1 · doi: 10.48550/arxiv.2209.06903 · pith_short_12: HPYE32VPWVE5 · pith_short_16: HPYE32VPWVE5ABZ3 · pith_short_8: HPYE32VP

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/HPYE32VPWVE5ABZ3BO5DWH5WCV \
  | 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: 3bf04deaafb549d0073b0bba3b1fb6157c683a2c3973e9e717123d36cc320aaa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e73e7cd36c3ada884e5324a00871a4aa54e40dfeda453d36a57caced97324bc5",
    "cross_cats_sorted": [
      "eess.SP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2022-08-11T09:59:52Z",
    "title_canon_sha256": "a85cfd2e58f4d63e66c040913bfbd73fd22d4ac8e4df5d99685e261bae02339c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.06903",
    "kind": "arxiv",
    "version": 1
  }
}