Pith Number

pith:D2ZL4PBQ

pith:2010:D2ZL4PBQFFYZT2PB42PU4RZETD

not attested not anchored not stored refs pending

Analytical study of spherical cloak/anti-cloak interactions

Andrea Alu', Giuseppe Castaldi, Ilaria Gallina, Nader Engheta, Vincenzo Galdi

arxiv:1009.4348 v2 · 2010-09-22 · physics.optics · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D2ZL4PBQFFYZT2PB42PU4RZETD}

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	2026-05-18T04:29:44.441729Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1eb2be3c30297199e9e1e69f4e472498dbee8ebbd0059469f321f3f9c00e762e

Aliases

arxiv: 1009.4348 · arxiv_version: 1009.4348v2 · doi: 10.48550/arxiv.1009.4348 · pith_short_12: D2ZL4PBQFFYZ · pith_short_16: D2ZL4PBQFFYZT2PB · pith_short_8: D2ZL4PBQ

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/D2ZL4PBQFFYZT2PB42PU4RZETD \
  | 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: 1eb2be3c30297199e9e1e69f4e472498dbee8ebbd0059469f321f3f9c00e762e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09507d3169c66e80b83b91938af9fa31147dd7507c0a6d9eddb0404341b85242",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2010-09-22T12:56:38Z",
    "title_canon_sha256": "1ef5cc79fed95cd9743ba1cb835bc112a0ddc1551da87a9cc6dd41cc0406622a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.4348",
    "kind": "arxiv",
    "version": 2
  }
}