Pith Number

pith:PO5NIJ43

pith:2018:PO5NIJ43LQT47HK56ZXTQQAAEJ

not attested not anchored not stored refs pending

Anisotropic diffraction induced by orbital angular momentum during propagations of optical beams

Guo Liang, Huicong Zhang, Qi Guo, Yuqing Wang

arxiv:1802.01782 v1 · 2018-02-06 · 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{PO5NIJ43LQT47HK56ZXTQQAAEJ}

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	2026-05-18T00:16:26.591121Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bbad4279b5c27cf9d5df66f384000224ddf745b95faff32483282f38b965556

Aliases

arxiv: 1802.01782 · arxiv_version: 1802.01782v1 · doi: 10.48550/arxiv.1802.01782 · pith_short_12: PO5NIJ43LQT4 · pith_short_16: PO5NIJ43LQT47HK5 · pith_short_8: PO5NIJ43

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/PO5NIJ43LQT47HK56ZXTQQAAEJ \
  | 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: 7bbad4279b5c27cf9d5df66f384000224ddf745b95faff32483282f38b965556

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aae4069822898b645ae323c9eef2702e3ab172360a9391425807103531e9b7b8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-02-06T03:39:15Z",
    "title_canon_sha256": "d5dd8c5c97e630a4c37618d6ba0a45bb33e953f7e49112465433a6987d651613"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.01782",
    "kind": "arxiv",
    "version": 1
  }
}