Pith Number

pith:XI7UO437

pith:2018:XI7UO437MEKAEWYOSIUSC7K3F3

not attested not anchored not stored refs pending

Analytical, numerical and experimental investigation of Luneburg lens system for directional cloaking

Aydin Sinan Evren, Ceren Babayigit, Emre Bor, Hamza Kurt, Mirbek Turduev

arxiv:1812.06179 v2 · 2018-12-13 · physics.app-ph · physics.class-ph · 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{XI7UO437MEKAEWYOSIUSC7K3F3}

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	2026-05-17T23:47:35.931170Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba3f47737f6114025b0e9229217d5b2eff86bb4f543adcb60a2df77be4a496ab

Aliases

arxiv: 1812.06179 · arxiv_version: 1812.06179v2 · doi: 10.48550/arxiv.1812.06179 · pith_short_12: XI7UO437MEKA · pith_short_16: XI7UO437MEKAEWYO · pith_short_8: XI7UO437

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/XI7UO437MEKAEWYOSIUSC7K3F3 \
  | 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: ba3f47737f6114025b0e9229217d5b2eff86bb4f543adcb60a2df77be4a496ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7984738caab6b019987db5fba7e10dbecdc2f13330da604df295847a0aa880a4",
    "cross_cats_sorted": [
      "physics.class-ph",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2018-12-13T08:58:53Z",
    "title_canon_sha256": "7b1211d0d4c03a990a9f6d7e67359e4a3677629333201f5581a27d3d700aca35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.06179",
    "kind": "arxiv",
    "version": 2
  }
}