Pith Number

pith:DB7NZWVG

pith:2025:DB7NZWVGKYAZXP6KNO6ZL6DLGG

not attested not anchored not stored refs pending

Optical Quasiparticles: Skyrmions, Bimerons and Skyrmionic Hopfions in Paraxial Laser Beams

Srinivasa Rao Allam, Takashige Omatsu, Yuto Yoneda

arxiv:2501.10760 v2 · 2025-01-18 · 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{DB7NZWVGKYAZXP6KNO6ZL6DLGG}

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	2026-07-05T10:14:49.904971Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

187edcdaa656019bbfca6bbd95f86b31961f49018e380aeb5c6ee5fcd6fb8ef3

Aliases

arxiv: 2501.10760 · arxiv_version: 2501.10760v2 · doi: 10.48550/arxiv.2501.10760 · pith_short_12: DB7NZWVGKYAZ · pith_short_16: DB7NZWVGKYAZXP6K · pith_short_8: DB7NZWVG

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/DB7NZWVGKYAZXP6KNO6ZL6DLGG \
  | 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: 187edcdaa656019bbfca6bbd95f86b31961f49018e380aeb5c6ee5fcd6fb8ef3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76d9f634e29b4081216106df2cba5a7044671752dd4554a6b321e05162b2510e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2025-01-18T13:13:55Z",
    "title_canon_sha256": "4fd67aa60c79764af6c731393f50568770b721cba4f3bad7179789c32ef4a090"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.10760",
    "kind": "arxiv",
    "version": 2
  }
}