Pith Number

pith:V3PUDOZK

pith:2011:V3PUDOZKLXGD2B3AFPOABLHZO4

not attested not anchored not stored refs pending

Band structure of a two dimensional metallic photonic crystal and the experimental observation of negative refraction in the microwave region

D. Mendoza, R. A. Gutierrez-Arenas

arxiv:1109.0329 v1 · 2011-09-01 · 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{V3PUDOZKLXGD2B3AFPOABLHZO4}

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	2026-05-18T04:14:15.970692Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aedf41bb2a5dcc3d07602bdc00acf977265167f48d1ca4b634cf1d183054bea2

Aliases

arxiv: 1109.0329 · arxiv_version: 1109.0329v1 · doi: 10.48550/arxiv.1109.0329 · pith_short_12: V3PUDOZKLXGD · pith_short_16: V3PUDOZKLXGD2B3A · pith_short_8: V3PUDOZK

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/V3PUDOZKLXGD2B3AFPOABLHZO4 \
  | 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: aedf41bb2a5dcc3d07602bdc00acf977265167f48d1ca4b634cf1d183054bea2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b112759dd32373d4a36d86e3fe741cf0bf310de4d8da030923a3edfe4ba2eae6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2011-09-01T23:49:09Z",
    "title_canon_sha256": "f3a8ec62698d2e94f5acd89d543988bec86346fdd98f13d7eb9e2257ecd99a9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.0329",
    "kind": "arxiv",
    "version": 1
  }
}