Pith Number

pith:2AWVJWRM

pith:2011:2AWVJWRMCGEEDUCVEI7CEZVYWF

not attested not anchored not stored refs pending

Theory of light amplification in active fishnet metamaterials

Joachim M. Hamm, Kosmas L. Tsakmakidis, Ortwin Hess, Sebastian Wuestner

arxiv:1109.4411 v1 · 2011-09-20 · physics.optics · cond-mat.mes-hall · cond-mat.mtrl-sci · physics.comp-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{2AWVJWRMCGEEDUCVEI7CEZVYWF}

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	2026-05-18T03:55:02.836334Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d02d54da2c118841d055223e2266b8b178a42edb0ce4cf9458cce635ca7bb40a

Aliases

arxiv: 1109.4411 · arxiv_version: 1109.4411v1 · doi: 10.48550/arxiv.1109.4411 · pith_short_12: 2AWVJWRMCGEE · pith_short_16: 2AWVJWRMCGEEDUCV · pith_short_8: 2AWVJWRM

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/2AWVJWRMCGEEDUCVEI7CEZVYWF \
  | 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: d02d54da2c118841d055223e2266b8b178a42edb0ce4cf9458cce635ca7bb40a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da35d7882536abf40c1ce1f381fb9ba523c2cfc08c1ae8dcde92dbf84e9f00f4",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "cond-mat.mtrl-sci",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2011-09-20T14:07:13Z",
    "title_canon_sha256": "ff2b345b6ecc10bd192c6cd164b84823bafcf05bc95cfb56c11a0a0758c79deb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.4411",
    "kind": "arxiv",
    "version": 1
  }
}