Pith Number

pith:AHZJXN5C

pith:2022:AHZJXN5CYBQVLXTPKRQRO46AYC

not attested not anchored not stored refs pending

Physical essence of propagable fractional-strength optical vortices in free space

Songlin Zhuang, Xiangmei Dong, Xiaoyu Weng, Xiumin Gao, Yang Li, Yu Miao

arxiv:2208.01929 v1 · 2022-08-03 · 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{AHZJXN5CYBQVLXTPKRQRO46AYC}

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	2026-07-05T04:45:51.481020Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01f29bb7a2c06155de6f54611773c0c0bd171e4cae5b6cecc3b3cdef599bb837

Aliases

arxiv: 2208.01929 · arxiv_version: 2208.01929v1 · doi: 10.48550/arxiv.2208.01929 · pith_short_12: AHZJXN5CYBQV · pith_short_16: AHZJXN5CYBQVLXTP · pith_short_8: AHZJXN5C

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/AHZJXN5CYBQVLXTPKRQRO46AYC \
  | 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: 01f29bb7a2c06155de6f54611773c0c0bd171e4cae5b6cecc3b3cdef599bb837

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35798167a4eac9066cddb62c19b88e5a8bf492e4362cea4f165aa19daa63a121",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2022-08-03T09:13:16Z",
    "title_canon_sha256": "8519697fd555ababea1f893e5348646685a9997a0520e38671f3e6b0f0cb8d31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.01929",
    "kind": "arxiv",
    "version": 1
  }
}