Pith Number

pith:4BLSFXYR

pith:2012:4BLSFXYRTS33JYIBYGEXBACANI

not attested not anchored not stored refs pending

Metamaterials and the mathematical Science of invisibility

Andre Diatta, Andre Nicolet, Frederic Zolla, Sebastien Guenneau

arxiv:1212.5408 v1 · 2012-12-21 · physics.optics · physics.class-ph · physics.pop-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{4BLSFXYRTS33JYIBYGEXBACANI}

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	2026-05-18T03:37:54.565680Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e05722df119cb7b4e101c1897080406a2b641f13ec4c2e618ea07771986377bc

Aliases

arxiv: 1212.5408 · arxiv_version: 1212.5408v1 · doi: 10.48550/arxiv.1212.5408 · pith_short_12: 4BLSFXYRTS33 · pith_short_16: 4BLSFXYRTS33JYIB · pith_short_8: 4BLSFXYR

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/4BLSFXYRTS33JYIBYGEXBACANI \
  | 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: e05722df119cb7b4e101c1897080406a2b641f13ec4c2e618ea07771986377bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3438d4c5aabc67cac8cd5e54fd02814c8409fcbb7610e85c6ff662ce0fe34533",
    "cross_cats_sorted": [
      "physics.class-ph",
      "physics.pop-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2012-12-21T11:56:28Z",
    "title_canon_sha256": "4fbfb2ed05cc2af36de8fb1eb24c4c24e128ef07b4fc0b492d5867b075984780"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.5408",
    "kind": "arxiv",
    "version": 1
  }
}