Pith Number

pith:YT5EAV4F

pith:2010:YT5EAV4FG4LXWLQ2V3VMGGN7OF

not attested not anchored not stored refs pending

The Photonic Band theory and the negative refraction experiment of metallic helix metamaterials

Chao Wu, C.T. Chan, Hongqiang Li, Xiaotong Yu, Zeyong Wei

arxiv:1006.1589 v2 · 2010-06-08 · 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{YT5EAV4FG4LXWLQ2V3VMGGN7OF}

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	2026-05-18T04:33:39.568915Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4fa40578537177b2e1aaeeac319bf717e788d82911357c0c476b4782a67077a

Aliases

arxiv: 1006.1589 · arxiv_version: 1006.1589v2 · doi: 10.48550/arxiv.1006.1589 · pith_short_12: YT5EAV4FG4LX · pith_short_16: YT5EAV4FG4LXWLQ2 · pith_short_8: YT5EAV4F

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/YT5EAV4FG4LXWLQ2V3VMGGN7OF \
  | 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: c4fa40578537177b2e1aaeeac319bf717e788d82911357c0c476b4782a67077a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8f3892b16bb8b86963deecc6625da529d31323990e9dfa4034a1091d5ff1991",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2010-06-08T15:36:00Z",
    "title_canon_sha256": "74c7bcfe06b95ef4b3fa68bcb800cb71bc770455a69d1ed7bbaf1314e2dbd998"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.1589",
    "kind": "arxiv",
    "version": 2
  }
}