Pith Number

pith:5EHGBS5N

pith:2026:5EHGBS5N4UDWXHKC5BK3F4YIVL

not attested not anchored not stored refs pending

Topology optimized plasmonic metasurfaces for optical trapping of nanoparticles

Emadeldeen Hassan

arxiv:2607.02352 v1 · 2026-07-02 · 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{5EHGBS5N4UDWXHKC5BK3F4YIVL}

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	2026-07-03T01:17:56.407346Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e90e60cbade5076b9d42e855b2f308aac53dd198b082b866b0bc4cd4cbcf3de4

Aliases

arxiv: 2607.02352 · arxiv_version: 2607.02352v1 · doi: 10.48550/arxiv.2607.02352 · pith_short_12: 5EHGBS5N4UDW · pith_short_16: 5EHGBS5N4UDWXHKC · pith_short_8: 5EHGBS5N

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/5EHGBS5N4UDWXHKC5BK3F4YIVL \
  | 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: e90e60cbade5076b9d42e855b2f308aac53dd198b082b866b0bc4cd4cbcf3de4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5022a785dd59548dca9d25c4d470de59a48a9d01ede96bb4502edd914ccc3cbe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2026-07-02T15:58:49Z",
    "title_canon_sha256": "1e0c3deb7d7264f0a6f9a65811b85f3c91d189b3680eb23337d22b63199f4852"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.02352",
    "kind": "arxiv",
    "version": 1
  }
}