Pith Number

pith:VFS4ENXC

pith:2025:VFS4ENXCVF6JWBDUNTJTY4EJV5

not attested not anchored not stored refs pending

Ultrafast space-time optical merons in momentum-energy space

Ahmed H. Dorrah, Ayman F. Abouraddy, Cheng Guo, Eric G. Johnson, Federico Capasso, Joon-Suh Park, Justin Free, Layton A. Hall, Murat Yessenov, Shanhui Fan

arxiv:2503.11980 v1 · 2025-03-15 · 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{VFS4ENXCVF6JWBDUNTJTY4EJV5}

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	2026-07-05T10:32:03.095498Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a965c236e2a97c9b04746cd33c7089af6525896c141d2769afc728bf332c947a

Aliases

arxiv: 2503.11980 · arxiv_version: 2503.11980v1 · doi: 10.48550/arxiv.2503.11980 · pith_short_12: VFS4ENXCVF6J · pith_short_16: VFS4ENXCVF6JWBDU · pith_short_8: VFS4ENXC

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/VFS4ENXCVF6JWBDUNTJTY4EJV5 \
  | 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: a965c236e2a97c9b04746cd33c7089af6525896c141d2769afc728bf332c947a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c6557b3f89157f1da90b270a03b78b9240f785ee0be5e21e0bf9d8380345cec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2025-03-15T03:31:20Z",
    "title_canon_sha256": "4f53a58b80cba110b49e6e77a959695ba34223bfce6ae44791f715b4858e7f02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.11980",
    "kind": "arxiv",
    "version": 1
  }
}