Pith Number

pith:INYZJ572

pith:2009:INYZJ572THH3U6253DB2QSCHLD

not attested not anchored not stored refs pending

A General Class of Metamaterial Transformation Slabs

Andrea Alu', Giuseppe Castaldi, Ilaria Gallina, Nader Engheta, Vincenzo Galdi

arxiv:0911.3742 v2 · 2009-11-19 · physics.optics · physics.class-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{INYZJ572THH3U6253DB2QSCHLD}

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	2026-05-18T02:10:46.024361Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

437194f7fa99cfba7b5dd8c3a8484758ed806d5b3809481d6933585ca9445f18

Aliases

arxiv: 0911.3742 · arxiv_version: 0911.3742v2 · doi: 10.48550/arxiv.0911.3742 · pith_short_12: INYZJ572THH3 · pith_short_16: INYZJ572THH3U625 · pith_short_8: INYZJ572

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/INYZJ572THH3U6253DB2QSCHLD \
  | 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: 437194f7fa99cfba7b5dd8c3a8484758ed806d5b3809481d6933585ca9445f18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d41b83d1acdebc231095a1d0fb67d7143ecbfc828840e8995d62c6a11ef85978",
    "cross_cats_sorted": [
      "physics.class-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2009-11-19T09:41:52Z",
    "title_canon_sha256": "22d69510e4ef6d9b3e7cc9db7a3f7a360f160adcc44210fe8536fd3d78375ac6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.3742",
    "kind": "arxiv",
    "version": 2
  }
}