Pith Number

pith:SDOHKY3R

pith:2012:SDOHKY3RUG6CHGH2H3TVJSJTPF

not attested not anchored not stored refs pending

Nonlinear graphene metamaterial

Andrey E. Nikolaenko, Enzo Di Fabrizio, Evangelos Atmatzakis, Francesco De Angelis, Nikitas Papasimakis, Nikolay I. Zheludev, Stuart A. Boden, Ze Xiang Shen, Zhiqiang Luo

arxiv:1203.5365 v1 · 2012-03-23 · 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{SDOHKY3RUG6CHGH2H3TVJSJTPF}

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	2026-05-18T01:58:02.304619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90dc756371a1bc2398fa3ee754c93379710c3914d07b91b77a21d882a2e1ba18

Aliases

arxiv: 1203.5365 · arxiv_version: 1203.5365v1 · doi: 10.48550/arxiv.1203.5365 · pith_short_12: SDOHKY3RUG6C · pith_short_16: SDOHKY3RUG6CHGH2 · pith_short_8: SDOHKY3R

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/SDOHKY3RUG6CHGH2H3TVJSJTPF \
  | 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: 90dc756371a1bc2398fa3ee754c93379710c3914d07b91b77a21d882a2e1ba18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "012f9dbc55a7c7ea3e12944e82a4ce6e3c4d518d8713b41ea61ac952fdd57f92",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2012-03-23T22:03:10Z",
    "title_canon_sha256": "995fe0520671b76601339e42f8922648a8a2c64e2cd4e477600d21bfd15c65b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.5365",
    "kind": "arxiv",
    "version": 1
  }
}