Pith Number

pith:GG6LBR5W

pith:2010:GG6LBR5W4KEJLAJGLEWN7EUJWP

not attested not anchored not stored refs pending

Overcoming losses with gain in a negative refractive index metamaterial

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

arxiv:1006.5926 v2 · 2010-06-30 · physics.optics · cond-mat.mtrl-sci

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GG6LBR5W4KEJLAJGLEWN7EUJWP}

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	2026-05-18T04:39:59.152421Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31bcb0c7b6e288958126592cdf9289b3cba553980df636cfeb4e322f59453b0c

Aliases

arxiv: 1006.5926 · arxiv_version: 1006.5926v2 · doi: 10.48550/arxiv.1006.5926 · pith_short_12: GG6LBR5W4KEJ · pith_short_16: GG6LBR5W4KEJLAJG · pith_short_8: GG6LBR5W

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/GG6LBR5W4KEJLAJGLEWN7EUJWP \
  | 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: 31bcb0c7b6e288958126592cdf9289b3cba553980df636cfeb4e322f59453b0c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84a07c5ec0f9d2d39babf65e546d5b704bfe6f2d01694362cddd7b87fe50c773",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2010-06-30T17:12:52Z",
    "title_canon_sha256": "76ed52066e6095a8d2abe5acc977493f88f0be7a27c7f947141428c0418e3394"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.5926",
    "kind": "arxiv",
    "version": 2
  }
}