Pith Number

pith:7HXQX3IO

pith:2018:7HXQX3IO45NSROUEXA2O33CRB2

not attested not anchored not stored refs pending

Retrieving the Size of Deep-subwavelength Objects via Tunable Optical Spin-Orbit Coupling

H.P.Urbach, Zheng Xi

arxiv:1802.00268 v1 · 2018-02-01 · 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{7HXQX3IO45NSROUEXA2O33CRB2}

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	2026-05-18T00:12:18.440050Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9ef0bed0ee75b28ba84b834edec510e8cc1cdd72c6722cd853bca89626c4639

Aliases

arxiv: 1802.00268 · arxiv_version: 1802.00268v1 · doi: 10.48550/arxiv.1802.00268 · pith_short_12: 7HXQX3IO45NS · pith_short_16: 7HXQX3IO45NSROUE · pith_short_8: 7HXQX3IO

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/7HXQX3IO45NSROUEXA2O33CRB2 \
  | 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: f9ef0bed0ee75b28ba84b834edec510e8cc1cdd72c6722cd853bca89626c4639

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8ff005c2b5c761633f0d6ea3021386210b15653ebd9c9f1316ceac53fe08d9e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-02-01T12:48:18Z",
    "title_canon_sha256": "540efe9526a6306319aebcfc3b07e08e50f27c93c5823966877117110cc133fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.00268",
    "kind": "arxiv",
    "version": 1
  }
}