Pith Number

pith:I42EOLMV

pith:2009:I42EOLMVGB4DATUMOY6K6X46BI

not attested not anchored not stored refs pending

Linear coupling between lightwaves in metamaterials enables lossless artificial magnetism

Durga P. Aryal, Kosmas L. Tsakmakidis, Marek S. Wartak, Ortwin Hess

arxiv:0905.1612 v3 · 2009-05-11 · 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{I42EOLMVGB4DATUMOY6K6X46BI}

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	2026-05-18T03:35:36.916862Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4734472d953078304e8c763caf5f9e0a14078a868c54d13db682606614fed273

Aliases

arxiv: 0905.1612 · arxiv_version: 0905.1612v3 · doi: 10.48550/arxiv.0905.1612 · pith_short_12: I42EOLMVGB4D · pith_short_16: I42EOLMVGB4DATUM · pith_short_8: I42EOLMV

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/I42EOLMVGB4DATUMOY6K6X46BI \
  | 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: 4734472d953078304e8c763caf5f9e0a14078a868c54d13db682606614fed273

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7fde05fbe7de9387d6496f2144958a41f572a34f9183ed1bf0a48ba08c731885",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2009-05-11T12:53:45Z",
    "title_canon_sha256": "818880120b7951a85d0b95c9a46cc68ec2d917a9c674f779701491008ad3bc03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.1612",
    "kind": "arxiv",
    "version": 3
  }
}