Pith Number

pith:XDZ74KL5

pith:2011:XDZ74KL5GC3F57MAASTK77OW3E

not attested not anchored not stored refs pending

The scattering of a cylindrical invisibility cloak: reduced parameters and optimization

Liang Peng, Lixin Ran, N. Asger Mortensen

arxiv:1102.4678 v1 · 2011-02-23 · 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{XDZ74KL5GC3F57MAASTK77OW3E}

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	2026-05-18T04:26:56.157019Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8f3fe297d30b65efd8004a6affdd6d910ba03b81ae0cc356090ab234c931757

Aliases

arxiv: 1102.4678 · arxiv_version: 1102.4678v1 · doi: 10.48550/arxiv.1102.4678 · pith_short_12: XDZ74KL5GC3F · pith_short_16: XDZ74KL5GC3F57MA · pith_short_8: XDZ74KL5

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/XDZ74KL5GC3F57MAASTK77OW3E \
  | 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: b8f3fe297d30b65efd8004a6affdd6d910ba03b81ae0cc356090ab234c931757

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4332f116a6cea68a47578eb4b8933d363818ab3e415549fe6352f1ecb61f776a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2011-02-23T07:42:34Z",
    "title_canon_sha256": "576b40254c22c9aaae45dccc7f2ab5b4edc0afcdb059315489330dbe564954b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.4678",
    "kind": "arxiv",
    "version": 1
  }
}