Pith Number

pith:RA7R3HQL

pith:2024:RA7R3HQLWVKBHE7CWHG6R6SUXT

not attested not anchored not stored refs pending

Conservation law for angular momentum based on optical field derivatives: Analysis of optical spin-orbit conversion

Shun Hashiyada, Yoshito Y. Tanaka

arxiv:2410.13135 v4 · 2024-10-17 · 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{RA7R3HQLWVKBHE7CWHG6R6SUXT}

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	2026-07-05T11:16:04.114328Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

883f1d9e0bb5541393e2b1cde8fa54bcdeb706c8c8875f4fc1fdc82f9df2e094

Aliases

arxiv: 2410.13135 · arxiv_version: 2410.13135v4 · doi: 10.48550/arxiv.2410.13135 · pith_short_12: RA7R3HQLWVKB · pith_short_16: RA7R3HQLWVKBHE7C · pith_short_8: RA7R3HQL

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/RA7R3HQLWVKBHE7CWHG6R6SUXT \
  | 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: 883f1d9e0bb5541393e2b1cde8fa54bcdeb706c8c8875f4fc1fdc82f9df2e094

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dcbce12d0123b4707a4b0ea3b366bd4798626e5708353101aeb0ce44aac31e81",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2024-10-17T01:44:17Z",
    "title_canon_sha256": "909d81beb3e3e9b829a4065018c069c7dcf1b47f0cb5533977c00a162a6f3d6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2410.13135",
    "kind": "arxiv",
    "version": 4
  }
}