Pith Number

pith:4JZN5KA2

pith:2011:4JZN5KA2UH4OJO3EBGG6XM2NNR

not attested not anchored not stored refs pending

General scaling limitations of ground-plane and isolated-object cloaks

A. Oskooi, Hila Hashemi, J. D. Joannopoulos, Steven G. Johnson

arxiv:1102.3897 v3 · 2011-02-18 · physics.optics · physics.ins-det · physics.pop-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{4JZN5KA2UH4OJO3EBGG6XM2NNR}

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	2026-05-18T04:15:36.816552Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e272dea81aa1f8e4bb64098debb34d6c78ee7423d5e66825159c9b45e527d493

Aliases

arxiv: 1102.3897 · arxiv_version: 1102.3897v3 · doi: 10.48550/arxiv.1102.3897 · pith_short_12: 4JZN5KA2UH4O · pith_short_16: 4JZN5KA2UH4OJO3E · pith_short_8: 4JZN5KA2

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/4JZN5KA2UH4OJO3EBGG6XM2NNR \
  | 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: e272dea81aa1f8e4bb64098debb34d6c78ee7423d5e66825159c9b45e527d493

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48f343a0c80c609f122683bd91708dbd48e0776c9275af966db915aa42abf081",
    "cross_cats_sorted": [
      "physics.ins-det",
      "physics.pop-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2011-02-18T20:00:27Z",
    "title_canon_sha256": "b3e2e412407c77ceb07a1dde03847d5bde3ba8d60c068955a289e2b0a4d8cb95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.3897",
    "kind": "arxiv",
    "version": 3
  }
}