Pith Number

pith:RGDKJBZA

pith:2009:RGDKJBZA5BW2AYOEM6U3YV54I4

not attested not anchored not stored refs pending

A Rigorous Analysis of Plane-transformed Invisibility Cloaks

Bae-Ian Wu, Hongsheng Chen, Jin Au Kong, Jingjing Zhang, Lixin Ran, Yu Luo

arxiv:0904.4740 v1 · 2009-04-30 · 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{RGDKJBZA5BW2AYOEM6U3YV54I4}

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	2026-05-18T02:13:49.003547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8986a48720e86da061c467a9bc57bc470eaa3bbd3337c6c71e8b617c6aa61b92

Aliases

arxiv: 0904.4740 · arxiv_version: 0904.4740v1 · doi: 10.48550/arxiv.0904.4740 · pith_short_12: RGDKJBZA5BW2 · pith_short_16: RGDKJBZA5BW2AYOE · pith_short_8: RGDKJBZA

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/RGDKJBZA5BW2AYOEM6U3YV54I4 \
  | 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: 8986a48720e86da061c467a9bc57bc470eaa3bbd3337c6c71e8b617c6aa61b92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85bc7e3f497c0b47b7c12f66dd5a14e0f714604c55a6f6f01c0b5fe1c4e367b7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2009-04-30T04:39:38Z",
    "title_canon_sha256": "e923583352dbc15bbf8ef0c12253489e451eebb3d55a469acfd79fecb239d7af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.4740",
    "kind": "arxiv",
    "version": 1
  }
}