Pith Number

pith:YRN2VJK6

pith:2009:YRN2VJK6L4AWRXDIL4BW7WMWLT

not attested not anchored not stored refs pending

Non-Euclidean cloaking for light waves

Che Ting Chan, Huanyang Chen, Tomas Tyc, Ulf Leonhardt

arxiv:0906.4491 v1 · 2009-06-24 · 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{YRN2VJK6L4AWRXDIL4BW7WMWLT}

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	2026-05-18T02:49:52.521124Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c45baaa55e5f0168dc685f036fd9965cc69ab2780a0779ff934b5cce3f2e6b84

Aliases

arxiv: 0906.4491 · arxiv_version: 0906.4491v1 · doi: 10.48550/arxiv.0906.4491 · pith_short_12: YRN2VJK6L4AW · pith_short_16: YRN2VJK6L4AWRXDI · pith_short_8: YRN2VJK6

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/YRN2VJK6L4AWRXDIL4BW7WMWLT \
  | 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: c45baaa55e5f0168dc685f036fd9965cc69ab2780a0779ff934b5cce3f2e6b84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "319101019e2040e20f6a771ec0819edaefc7ed1ba457db721b5d5c96c7f89531",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2009-06-24T14:44:47Z",
    "title_canon_sha256": "9463c650ce2a1d68250ebde1a9406846d90066514f4fcf66009a46368c547890"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.4491",
    "kind": "arxiv",
    "version": 1
  }
}