Pith Number

pith:VBCXE4G7

pith:2010:VBCXE4G72GXZB5SU4YKGREP46K

not attested not anchored not stored refs pending

A GL Double Layer EM Cloaks In Broad Frequency Band And Reciprocal Law

Feng Xie, Ganquan Xie, Jianhua Li, Lee Xie

arxiv:1002.4249 v1 · 2010-02-23 · physics.optics · physics.comp-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{VBCXE4G72GXZB5SU4YKGREP46K}

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	2026-07-04T17:22:19.637795Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8457270dfd1af90f654e6146891fcf29fa8d1c6b07513ffc1c5aba04cf78ee2

Aliases

arxiv: 1002.4249 · arxiv_version: 1002.4249v1 · doi: 10.48550/arxiv.1002.4249 · pith_short_12: VBCXE4G72GXZ · pith_short_16: VBCXE4G72GXZB5SU · pith_short_8: VBCXE4G7

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/VBCXE4G72GXZB5SU4YKGREP46K \
  | 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: a8457270dfd1af90f654e6146891fcf29fa8d1c6b07513ffc1c5aba04cf78ee2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c43562eab0473f19ed2aa65039d52bcb73a8ba34ece303d800c39363ac3f4624",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2010-02-23T06:03:43Z",
    "title_canon_sha256": "dcb417b77d2db955f0d561164135aea8c3d204c15664d066f97e821b22a67340"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.4249",
    "kind": "arxiv",
    "version": 1
  }
}