Pith Number

pith:GYPWA2CI

pith:2012:GYPWA2CIELYD6P246PIQ423YHD

not attested not anchored not stored refs pending

Planar Metamaterial with Toroidal Moment

Costas M. Soukoulis, Hong Chen, Hongqiang Li, Yuancheng Fan, Zeyong Wei

arxiv:1209.3400 v1 · 2012-09-15 · 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{GYPWA2CIELYD6P246PIQ423YHD}

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	2026-05-18T03:45:31.072056Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

361f60684822f03f3f5cf3d10e6b7838cd26f24e224c1113530143b31e229fac

Aliases

arxiv: 1209.3400 · arxiv_version: 1209.3400v1 · doi: 10.48550/arxiv.1209.3400 · pith_short_12: GYPWA2CIELYD · pith_short_16: GYPWA2CIELYD6P24 · pith_short_8: GYPWA2CI

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/GYPWA2CIELYD6P246PIQ423YHD \
  | 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: 361f60684822f03f3f5cf3d10e6b7838cd26f24e224c1113530143b31e229fac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40787a8ac3b2df834d63d6ad5b5e4ed2a9dd7a113d550a1ef2580abf3ef224a1",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2012-09-15T12:47:38Z",
    "title_canon_sha256": "fa060887d1666e43f0e8c9b3be52cb65d0d63ef7eee66ba0bcc46619bee29e98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.3400",
    "kind": "arxiv",
    "version": 1
  }
}