Pith Number

pith:BLBA4TQ4

pith:2025:BLBA4TQ4KPNNC2PTJPAMBDQMUF

not attested not anchored not stored refs pending

Vortex Propagation in Orbital Angular Momentum Beams and the Effects of a Limited Aperture

Jessica Eastman, John D. Close, Rhys H. Eagle, Ryan Husband, Ryan J. Thomas, Samuel Legge, Simon A. Haine

arxiv:2510.20257 v1 · 2025-10-23 · 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{BLBA4TQ4KPNNC2PTJPAMBDQMUF}

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	2026-06-08T01:03:50.184806Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ac20e4e1c53dad169f34bc0c08e0ca15f4f3d169e6e1c9d36087ff6978e5684

Aliases

arxiv: 2510.20257 · arxiv_version: 2510.20257v1 · doi: 10.48550/arxiv.2510.20257 · pith_short_12: BLBA4TQ4KPNN · pith_short_16: BLBA4TQ4KPNNC2PT · pith_short_8: BLBA4TQ4

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/BLBA4TQ4KPNNC2PTJPAMBDQMUF \
  | 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: 0ac20e4e1c53dad169f34bc0c08e0ca15f4f3d169e6e1c9d36087ff6978e5684

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffc329ff0d1b7eedd1387f55459c85f3a474a56ab8d9b46ea1342ce5ecbb8a8d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2025-10-23T06:26:13Z",
    "title_canon_sha256": "833b93d2da8ff3de1cf1d4a8d02b8fdb5ce6593f1a7ecd6078e1e124ca0f8119"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2510.20257",
    "kind": "arxiv",
    "version": 1
  }
}