Pith Number

pith:DIJG5YHI

pith:2017:DIJG5YHISIGE2Q4MGBMKEYKWWD

not attested not anchored not stored refs pending

Low-loss Broadband Negative Refractive Index due to Nonresonant 2D Helical Chiral Metamaterial

Changlin Ding, Chunrong Luo, Jiangfeng Zhou, Khagendra Bhattarai, Kun Song, Min Wang, Xiaopeng Zhao, Yahong Liu, Zhaoxian Su

arxiv:1705.02676 v1 · 2017-05-07 · 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{DIJG5YHISIGE2Q4MGBMKEYKWWD}

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	2026-05-18T00:44:55.915758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a126ee0e8920c4d438c3058a26156b0f99e01eb089217a6977f10125c0dcb4e

Aliases

arxiv: 1705.02676 · arxiv_version: 1705.02676v1 · doi: 10.48550/arxiv.1705.02676 · pith_short_12: DIJG5YHISIGE · pith_short_16: DIJG5YHISIGE2Q4M · pith_short_8: DIJG5YHI

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/DIJG5YHISIGE2Q4MGBMKEYKWWD \
  | 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: 1a126ee0e8920c4d438c3058a26156b0f99e01eb089217a6977f10125c0dcb4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ae4bb86600066b167206303129f3a158b31a9073be4d427891005801f7cc78e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2017-05-07T18:30:32Z",
    "title_canon_sha256": "aa04c066537702038aaeed319a99886154f5c3322ac197dc74c678f46e039fb2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.02676",
    "kind": "arxiv",
    "version": 1
  }
}