Pith Number

pith:GDKTJR5P

pith:2010:GDKTJR5P2LGHGAHPH6N4SQATPC

not attested not anchored not stored refs pending

Gradient Index Metamaterial Based on Slot Elements

Benjamin Reinhard, Bernd Krolla, Marco Rahm, Oliver Paul, Rene Beigang

arxiv:1002.1025 v1 · 2010-02-04 · 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{GDKTJR5P2LGHGAHPH6N4SQATPC}

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	2026-05-18T02:09:19.492363Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30d534c7afd2cc7300ef3f9bc9401378a78a9505c9754d878cb4488023a045fd

Aliases

arxiv: 1002.1025 · arxiv_version: 1002.1025v1 · doi: 10.48550/arxiv.1002.1025 · pith_short_12: GDKTJR5P2LGH · pith_short_16: GDKTJR5P2LGHGAHP · pith_short_8: GDKTJR5P

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/GDKTJR5P2LGHGAHPH6N4SQATPC \
  | 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: 30d534c7afd2cc7300ef3f9bc9401378a78a9505c9754d878cb4488023a045fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40bcb635e20aa53fadea1d47823f91d453d9fcbf62dbfeacc7ed80203ad581fa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2010-02-04T16:56:44Z",
    "title_canon_sha256": "3bc435fc05bc92c53886ea49a69818befa1a40aab6324b164d8f85c2644f0876"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.1025",
    "kind": "arxiv",
    "version": 1
  }
}