Pith Number

pith:ZU4QLQRV

pith:2007:ZU4QLQRVEIKCCEQOFDFYYOSIIX

not attested not anchored not stored refs pending

A Novel Design of Dielectric Perfect Invisibility Devices

J.C. Nacher, T. Ochiai, U. Leonhardt

arxiv:0711.1122 v2 · 2007-11-07 · physics.optics · physics.gen-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZU4QLQRVEIKCCEQOFDFYYOSIIX}

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	2026-07-04T17:06:33.698832Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd3905c235221421120e28cb8c3a4845e70fa7630cf9a1563fd742d18779ddf3

Aliases

arxiv: 0711.1122 · arxiv_version: 0711.1122v2 · doi: 10.48550/arxiv.0711.1122 · pith_short_12: ZU4QLQRVEIKC · pith_short_16: ZU4QLQRVEIKCCEQO · pith_short_8: ZU4QLQRV

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/ZU4QLQRVEIKCCEQOFDFYYOSIIX \
  | 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: cd3905c235221421120e28cb8c3a4845e70fa7630cf9a1563fd742d18779ddf3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2ba999f68a73bb6a9688a874ee7a3ca30908e1b6d06d93d8f84fc4ede6debb3",
    "cross_cats_sorted": [
      "physics.gen-ph"
    ],
    "license": "",
    "primary_cat": "physics.optics",
    "submitted_at": "2007-11-07T17:11:33Z",
    "title_canon_sha256": "6125b7aa51869cf5fa1ac5f7e220fcccd2ab1c3cfb90d0e7d1ecd4260795440c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0711.1122",
    "kind": "arxiv",
    "version": 2
  }
}