Pith Number

pith:4N3QWGNC

pith:2010:4N3QWGNCKRSUKEL3H7EW2KL7ET

not attested not anchored not stored refs pending

Metamaterial inspired perfect tunneling in semiconductor heterostructures

J. D. Baena, J. Voves, L. Jelinek, R. Marques

arxiv:1011.4649 v1 · 2010-11-21 · cond-mat.other · 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{4N3QWGNCKRSUKEL3H7EW2KL7ET}

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	2026-05-18T02:43:16.818397Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3770b19a2546545117b3fc96d297f24d4057be8187d7b1f363c83f32f9e0981

Aliases

arxiv: 1011.4649 · arxiv_version: 1011.4649v1 · doi: 10.48550/arxiv.1011.4649 · pith_short_12: 4N3QWGNCKRSU · pith_short_16: 4N3QWGNCKRSUKEL3 · pith_short_8: 4N3QWGNC

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/4N3QWGNCKRSUKEL3H7EW2KL7ET \
  | 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: e3770b19a2546545117b3fc96d297f24d4057be8187d7b1f363c83f32f9e0981

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f18611c8814d9a473f4d4af07c116f105510306f660a7a9cd38f818c31bad95b",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.other",
    "submitted_at": "2010-11-21T10:27:06Z",
    "title_canon_sha256": "5309164f8269e10dfff766189dd18b7f4c73cfb930b9a60e618181372f1f74e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.4649",
    "kind": "arxiv",
    "version": 1
  }
}