Pith Number

pith:2XZVQUL7

pith:2009:2XZVQUL7LYJ4G7JFTUJSIVVBGD

not attested not anchored not stored refs pending

Giant nonlinearity of carbon nanotubes in a photonic metamaterial

Andrey E. Nikolaenko, Enzo Di Fabrizio, Francesco De Angelis, Nikitas Papasimakis, Nikolay I. Zheludev, Peter Ashburn, Stuart A. Boden

arxiv:0912.0680 v1 · 2009-12-03 · 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{2XZVQUL7LYJ4G7JFTUJSIVVBGD}

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	2026-05-18T04:41:34.956425Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5f358517f5e13c37d259d132456a130fa8e245e68177cefa3e65623d05f3799

Aliases

arxiv: 0912.0680 · arxiv_version: 0912.0680v1 · doi: 10.48550/arxiv.0912.0680 · pith_short_12: 2XZVQUL7LYJ4 · pith_short_16: 2XZVQUL7LYJ4G7JF · pith_short_8: 2XZVQUL7

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/2XZVQUL7LYJ4G7JFTUJSIVVBGD \
  | 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: d5f358517f5e13c37d259d132456a130fa8e245e68177cefa3e65623d05f3799

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b564414d7f51289532d66f6488c4c452705048968d58acb58fd3200f451a6021",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2009-12-03T17:31:14Z",
    "title_canon_sha256": "4a69156cf763313eee796ad63ef4d7cda6fcb33d68e0f0d724810960b39aebce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.0680",
    "kind": "arxiv",
    "version": 1
  }
}