Pith Number

pith:SDUN42QY

pith:2011:SDUN42QYKJPBGSTC53DF6NUXQA

not attested not anchored not stored refs pending

An ultra-thin waveguide twist constructed using fish-scale metallic wires

Chao Wu, Fang Li, Hongqiang Li, Jin Han, Xing Yu, Yang Cao, Yuancheng Fan, Zeyong Wei, Zhanshan Wang

arxiv:1101.2788 v2 · 2011-01-14 · 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{SDUN42QYKJPBGSTC53DF6NUXQA}

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	2026-05-18T04:21:00.466731Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90e8de6a18525e134a62eec65f369780151e529ffb22826c320a7d64d8b65c30

Aliases

arxiv: 1101.2788 · arxiv_version: 1101.2788v2 · doi: 10.48550/arxiv.1101.2788 · pith_short_12: SDUN42QYKJPB · pith_short_16: SDUN42QYKJPBGSTC · pith_short_8: SDUN42QY

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/SDUN42QYKJPBGSTC53DF6NUXQA \
  | 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: 90e8de6a18525e134a62eec65f369780151e529ffb22826c320a7d64d8b65c30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59501cd6fbf9ba370231b4962d8d085413878f50c7da48c53d00d347bbbf5038",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2011-01-14T12:37:08Z",
    "title_canon_sha256": "e94c11037e3c771f2e721ed2e0b2df7727bcc84d1a5feb2ec0d15f28c93220a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.2788",
    "kind": "arxiv",
    "version": 2
  }
}